mirror of
https://gitlab.gnome.org/GNOME/libxml2
synced 2025-03-28 21:33:13 +00:00
0142b84bbf
- restored xmlNewGlobalNs since this seems used - fixed a problem with INCLUDE_WINSOCK - removed all calls to exit() from the library code. - removed bugs detected by Windows compilers - started adding interfaces for parsing well balanced XML fragments - releasing 1.8.4 - rebuilt the docs Daniel
992 lines
13 KiB
HTML
992 lines
13 KiB
HTML
<HTML
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><HEAD
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><TITLE
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>nanohttp</TITLE
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><META
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NAME="GENERATOR"
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CONTENT="Modular DocBook HTML Stylesheet Version 1.33"><LINK
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REL="HOME"
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TITLE="Gnome XML Library Reference Manual"
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HREF="book1.html"><LINK
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REL="UP"
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TITLE="Libxml Library Reference"
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HREF="libxml-lib.html"><LINK
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REL="PREVIOUS"
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TITLE="xpath"
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HREF="gnome-xml-xpath.html"><LINK
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REL="NEXT"
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TITLE="xmlIO"
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HREF="gnome-xml-xmlio.html"></HEAD
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><BODY
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BGCOLOR="#FFFFFF"
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TEXT="#000000"
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><DIV
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CLASS="NAVHEADER"
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><TABLE
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WIDTH="100%"
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BORDER="0"
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BGCOLOR="#000000"
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CELLPADDING="1"
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CELLSPACING="0"
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><TR
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><TH
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COLSPAN="4"
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ALIGN="center"
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><FONT
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COLOR="#FFFFFF"
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SIZE="5"
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>Gnome XML Library Reference Manual</FONT
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></TH
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></TR
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><TR
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><TD
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WIDTH="25%"
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BGCOLOR="#C00000"
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ALIGN="left"
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><A
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HREF="gnome-xml-xpath.html"
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><FONT
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COLOR="#FFFFFF"
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SIZE="3"
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><B
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><<< Previous Page</B
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></FONT
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></A
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></TD
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><TD
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WIDTH="25%"
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BGCOLOR="#0000C0"
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ALIGN="center"
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><FONT
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COLOR="#FFFFFF"
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SIZE="3"
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><B
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><A
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HREF="book1.html"
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><FONT
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COLOR="#FFFFFF"
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SIZE="3"
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><B
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>Home</B
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></FONT
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></A
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></B
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></FONT
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></TD
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><TD
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WIDTH="25%"
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BGCOLOR="#00C000"
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ALIGN="center"
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><FONT
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COLOR="#FFFFFF"
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SIZE="3"
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><B
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><A
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HREF="libxml-lib.html"
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><FONT
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COLOR="#FFFFFF"
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SIZE="3"
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><B
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>Up</B
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></FONT
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></A
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></B
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></FONT
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></TD
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><TD
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WIDTH="25%"
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BGCOLOR="#C00000"
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ALIGN="right"
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><A
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HREF="gnome-xml-xmlio.html"
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><FONT
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COLOR="#FFFFFF"
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SIZE="3"
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><B
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>Next Page >>></B
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></FONT
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></A
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></TD
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></TR
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></TABLE
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></DIV
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><H1
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>nanohttp</H1
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><DIV
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CLASS="REFNAMEDIV"
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><A
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NAME="AEN9104"
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></A
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><H2
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>Name</H2
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>nanohttp — </DIV
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><DIV
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CLASS="REFSYNOPSISDIV"
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><A
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NAME="AEN9107"
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></A
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><H2
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>Synopsis</H2
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><TABLE
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BORDER="0"
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BGCOLOR="#D6E8FF"
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WIDTH="100%"
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CELLPADDING="6"
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><TR
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><TD
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><PRE
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CLASS="SYNOPSIS"
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>
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int <A
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HREF="gnome-xml-nanohttp.html#XMLNANOHTTPFETCH"
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>xmlNanoHTTPFetch</A
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> (const char *URL,
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const char *filename,
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char **contentType);
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void* <A
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HREF="gnome-xml-nanohttp.html#XMLNANOHTTPMETHOD"
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>xmlNanoHTTPMethod</A
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> (const char *URL,
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const char *method,
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const char *input,
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char **contentType,
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const char *headers);
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void* <A
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HREF="gnome-xml-nanohttp.html#XMLNANOHTTPOPEN"
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>xmlNanoHTTPOpen</A
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> (const char *URL,
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char **contentType);
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int <A
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HREF="gnome-xml-nanohttp.html#XMLNANOHTTPRETURNCODE"
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>xmlNanoHTTPReturnCode</A
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> (void *ctx);
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int <A
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HREF="gnome-xml-nanohttp.html#XMLNANOHTTPREAD"
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>xmlNanoHTTPRead</A
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> (void *ctx,
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void *dest,
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int len);
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int <A
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HREF="gnome-xml-nanohttp.html#XMLNANOHTTPSAVE"
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>xmlNanoHTTPSave</A
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> (void *ctxt,
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const char *filename);
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void <A
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HREF="gnome-xml-nanohttp.html#XMLNANOHTTPCLOSE"
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>xmlNanoHTTPClose</A
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> (void *ctx);</PRE
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></TD
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></TR
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></TABLE
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></DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN9117"
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></A
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><H2
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>Description</H2
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><P
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></P
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></DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN9120"
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></A
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><H2
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>Details</H2
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><DIV
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CLASS="REFSECT2"
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><A
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NAME="AEN9122"
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></A
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><H3
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><A
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NAME="XMLNANOHTTPFETCH"
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></A
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>xmlNanoHTTPFetch ()</H3
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><TABLE
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BORDER="0"
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BGCOLOR="#D6E8FF"
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WIDTH="100%"
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CELLPADDING="6"
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><TR
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><TD
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><PRE
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CLASS="PROGRAMLISTING"
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>int xmlNanoHTTPFetch (const char *URL,
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const char *filename,
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char **contentType);</PRE
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></TD
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></TR
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></TABLE
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><P
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>This function try to fetch the indicated resource via HTTP GET
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and save it's content in the file.</P
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><P
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></P
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><DIV
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CLASS="INFORMALTABLE"
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><P
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></P
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><TABLE
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BORDER="0"
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WIDTH="100%"
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BGCOLOR="#FFD0D0"
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CELLSPACING="0"
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CELLPADDING="4"
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CLASS="CALSTABLE"
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><TR
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><TD
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WIDTH="20%"
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ALIGN="RIGHT"
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VALIGN="TOP"
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><TT
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CLASS="PARAMETER"
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><I
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>URL</I
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></TT
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> :</TD
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><TD
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WIDTH="80%"
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ALIGN="LEFT"
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VALIGN="TOP"
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> The URL to load</TD
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></TR
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><TR
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><TD
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WIDTH="20%"
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ALIGN="RIGHT"
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VALIGN="TOP"
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><TT
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CLASS="PARAMETER"
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><I
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>filename</I
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></TT
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> :</TD
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><TD
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WIDTH="80%"
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ALIGN="LEFT"
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VALIGN="TOP"
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> the filename where the content should be saved</TD
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></TR
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><TR
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><TD
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WIDTH="20%"
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ALIGN="RIGHT"
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VALIGN="TOP"
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><TT
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CLASS="PARAMETER"
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><I
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>contentType</I
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></TT
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> :</TD
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><TD
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WIDTH="80%"
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ALIGN="LEFT"
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VALIGN="TOP"
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> if available the Content-Type information will be
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returned at that location</TD
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></TR
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><TR
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><TD
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WIDTH="20%"
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ALIGN="RIGHT"
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VALIGN="TOP"
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><I
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CLASS="EMPHASIS"
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>Returns</I
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> :</TD
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><TD
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WIDTH="80%"
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ALIGN="LEFT"
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VALIGN="TOP"
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>-1 in case of failure, 0 incase of success. The contentType,
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if provided must be freed by the caller</TD
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></TR
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></TABLE
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><P
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></P
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></DIV
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></DIV
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><HR><DIV
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CLASS="REFSECT2"
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><A
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NAME="AEN9149"
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></A
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><H3
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><A
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NAME="XMLNANOHTTPMETHOD"
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></A
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>xmlNanoHTTPMethod ()</H3
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><TABLE
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BORDER="0"
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BGCOLOR="#D6E8FF"
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WIDTH="100%"
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CELLPADDING="6"
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><TR
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><TD
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><PRE
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CLASS="PROGRAMLISTING"
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>void* xmlNanoHTTPMethod (const char *URL,
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const char *method,
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const char *input,
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char **contentType,
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const char *headers);</PRE
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></TD
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></TR
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></TABLE
|
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><P
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>This function try to open a connection to the indicated resource
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via HTTP using the given <TT
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CLASS="PARAMETER"
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><I
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>method</I
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></TT
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>, adding the given extra headers
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and the input buffer for the request content.</P
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><P
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></P
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><DIV
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CLASS="INFORMALTABLE"
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><P
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></P
|
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><TABLE
|
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BORDER="0"
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WIDTH="100%"
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BGCOLOR="#FFD0D0"
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CELLSPACING="0"
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CELLPADDING="4"
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CLASS="CALSTABLE"
|
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><TR
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><TD
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WIDTH="20%"
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ALIGN="RIGHT"
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VALIGN="TOP"
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><TT
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CLASS="PARAMETER"
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><I
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>URL</I
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></TT
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> :</TD
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><TD
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WIDTH="80%"
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ALIGN="LEFT"
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VALIGN="TOP"
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> The URL to load</TD
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></TR
|
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><TR
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><TD
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WIDTH="20%"
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ALIGN="RIGHT"
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VALIGN="TOP"
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><TT
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CLASS="PARAMETER"
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><I
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>method</I
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></TT
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> :</TD
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><TD
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WIDTH="80%"
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ALIGN="LEFT"
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VALIGN="TOP"
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> the HTTP method to use</TD
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></TR
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><TR
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><TD
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WIDTH="20%"
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ALIGN="RIGHT"
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VALIGN="TOP"
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><TT
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CLASS="PARAMETER"
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><I
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>input</I
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></TT
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> :</TD
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><TD
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WIDTH="80%"
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ALIGN="LEFT"
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VALIGN="TOP"
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> the input string if any</TD
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></TR
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><TR
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><TD
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WIDTH="20%"
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ALIGN="RIGHT"
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VALIGN="TOP"
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><TT
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CLASS="PARAMETER"
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><I
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>contentType</I
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></TT
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> :</TD
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><TD
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WIDTH="80%"
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ALIGN="LEFT"
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VALIGN="TOP"
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> the Content-Type information IN and OUT</TD
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></TR
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><TR
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><TD
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WIDTH="20%"
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ALIGN="RIGHT"
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VALIGN="TOP"
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><TT
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CLASS="PARAMETER"
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><I
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>headers</I
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></TT
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> :</TD
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><TD
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WIDTH="80%"
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ALIGN="LEFT"
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VALIGN="TOP"
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> the extra headers</TD
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></TR
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></TABLE
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><P
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></P
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></DIV
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></DIV
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><HR><DIV
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CLASS="REFSECT2"
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><A
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NAME="AEN9181"
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></A
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><H3
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><A
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NAME="XMLNANOHTTPOPEN"
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></A
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>xmlNanoHTTPOpen ()</H3
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><TABLE
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BORDER="0"
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BGCOLOR="#D6E8FF"
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WIDTH="100%"
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CELLPADDING="6"
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><TR
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><TD
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><PRE
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CLASS="PROGRAMLISTING"
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>void* xmlNanoHTTPOpen (const char *URL,
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char **contentType);</PRE
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></TD
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></TR
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></TABLE
|
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><P
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>This function try to open a connection to the indicated resource
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via HTTP GET.</P
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><P
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></P
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><DIV
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CLASS="INFORMALTABLE"
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><P
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></P
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><TABLE
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|
BORDER="0"
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WIDTH="100%"
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BGCOLOR="#FFD0D0"
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CELLSPACING="0"
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CELLPADDING="4"
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CLASS="CALSTABLE"
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><TR
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><TD
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WIDTH="20%"
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ALIGN="RIGHT"
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VALIGN="TOP"
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><TT
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CLASS="PARAMETER"
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><I
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>URL</I
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></TT
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> :</TD
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><TD
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WIDTH="80%"
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ALIGN="LEFT"
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VALIGN="TOP"
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> The URL to load</TD
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></TR
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><TR
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><TD
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WIDTH="20%"
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ALIGN="RIGHT"
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VALIGN="TOP"
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><TT
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CLASS="PARAMETER"
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><I
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>contentType</I
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></TT
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> :</TD
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><TD
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WIDTH="80%"
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ALIGN="LEFT"
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VALIGN="TOP"
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> if available the Content-Type information will be
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returned at that location</TD
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></TR
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|
></TABLE
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|
><P
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></P
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|
></DIV
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></DIV
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|
><HR><DIV
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|
CLASS="REFSECT2"
|
|
><A
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|
NAME="AEN9200"
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></A
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|
><H3
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><A
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NAME="XMLNANOHTTPRETURNCODE"
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></A
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|
>xmlNanoHTTPReturnCode ()</H3
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><TABLE
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|
BORDER="0"
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BGCOLOR="#D6E8FF"
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WIDTH="100%"
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CELLPADDING="6"
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><TR
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|
><TD
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><PRE
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CLASS="PROGRAMLISTING"
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>int xmlNanoHTTPReturnCode (void *ctx);</PRE
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></TD
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|
></TR
|
|
></TABLE
|
|
><P
|
|
></P
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|
><P
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></P
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|
><DIV
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|
CLASS="INFORMALTABLE"
|
|
><P
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|
></P
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|
><TABLE
|
|
BORDER="0"
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WIDTH="100%"
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BGCOLOR="#FFD0D0"
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CELLSPACING="0"
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CELLPADDING="4"
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CLASS="CALSTABLE"
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><TR
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><TD
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WIDTH="20%"
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ALIGN="RIGHT"
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VALIGN="TOP"
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><TT
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CLASS="PARAMETER"
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><I
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>ctx</I
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></TT
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> :</TD
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|
><TD
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WIDTH="80%"
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ALIGN="LEFT"
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VALIGN="TOP"
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> the HTTP context</TD
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></TR
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><TR
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><TD
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WIDTH="20%"
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ALIGN="RIGHT"
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VALIGN="TOP"
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><I
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CLASS="EMPHASIS"
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>Returns</I
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|
> :</TD
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|
><TD
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|
WIDTH="80%"
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ALIGN="LEFT"
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VALIGN="TOP"
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>the HTTP return code for the request.</TD
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></TR
|
|
></TABLE
|
|
><P
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|
></P
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|
></DIV
|
|
></DIV
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|
><HR><DIV
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|
CLASS="REFSECT2"
|
|
><A
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|
NAME="AEN9219"
|
|
></A
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|
><H3
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><A
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NAME="XMLNANOHTTPREAD"
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></A
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>xmlNanoHTTPRead ()</H3
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><TABLE
|
|
BORDER="0"
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BGCOLOR="#D6E8FF"
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WIDTH="100%"
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CELLPADDING="6"
|
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><TR
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|
><TD
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|
><PRE
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|
CLASS="PROGRAMLISTING"
|
|
>int xmlNanoHTTPRead (void *ctx,
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void *dest,
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int len);</PRE
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></TD
|
|
></TR
|
|
></TABLE
|
|
><P
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>This function tries to read <TT
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CLASS="PARAMETER"
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><I
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>len</I
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></TT
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> bytes from the existing HTTP connection
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and saves them in <TT
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CLASS="PARAMETER"
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><I
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>dest</I
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></TT
|
|
>. This is a blocking call.</P
|
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><P
|
|
></P
|
|
><DIV
|
|
CLASS="INFORMALTABLE"
|
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><P
|
|
></P
|
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><TABLE
|
|
BORDER="0"
|
|
WIDTH="100%"
|
|
BGCOLOR="#FFD0D0"
|
|
CELLSPACING="0"
|
|
CELLPADDING="4"
|
|
CLASS="CALSTABLE"
|
|
><TR
|
|
><TD
|
|
WIDTH="20%"
|
|
ALIGN="RIGHT"
|
|
VALIGN="TOP"
|
|
><TT
|
|
CLASS="PARAMETER"
|
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><I
|
|
>ctx</I
|
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></TT
|
|
> :</TD
|
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><TD
|
|
WIDTH="80%"
|
|
ALIGN="LEFT"
|
|
VALIGN="TOP"
|
|
> the HTTP context</TD
|
|
></TR
|
|
><TR
|
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><TD
|
|
WIDTH="20%"
|
|
ALIGN="RIGHT"
|
|
VALIGN="TOP"
|
|
><TT
|
|
CLASS="PARAMETER"
|
|
><I
|
|
>dest</I
|
|
></TT
|
|
> :</TD
|
|
><TD
|
|
WIDTH="80%"
|
|
ALIGN="LEFT"
|
|
VALIGN="TOP"
|
|
> a buffer</TD
|
|
></TR
|
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><TR
|
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><TD
|
|
WIDTH="20%"
|
|
ALIGN="RIGHT"
|
|
VALIGN="TOP"
|
|
><TT
|
|
CLASS="PARAMETER"
|
|
><I
|
|
>len</I
|
|
></TT
|
|
> :</TD
|
|
><TD
|
|
WIDTH="80%"
|
|
ALIGN="LEFT"
|
|
VALIGN="TOP"
|
|
> the buffer length</TD
|
|
></TR
|
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><TR
|
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><TD
|
|
WIDTH="20%"
|
|
ALIGN="RIGHT"
|
|
VALIGN="TOP"
|
|
><I
|
|
CLASS="EMPHASIS"
|
|
>Returns</I
|
|
> :</TD
|
|
><TD
|
|
WIDTH="80%"
|
|
ALIGN="LEFT"
|
|
VALIGN="TOP"
|
|
>the number of byte read. 0 is an indication of an end of connection.
|
|
-1 indicates a parameter error.</TD
|
|
></TR
|
|
></TABLE
|
|
><P
|
|
></P
|
|
></DIV
|
|
></DIV
|
|
><HR><DIV
|
|
CLASS="REFSECT2"
|
|
><A
|
|
NAME="AEN9248"
|
|
></A
|
|
><H3
|
|
><A
|
|
NAME="XMLNANOHTTPSAVE"
|
|
></A
|
|
>xmlNanoHTTPSave ()</H3
|
|
><TABLE
|
|
BORDER="0"
|
|
BGCOLOR="#D6E8FF"
|
|
WIDTH="100%"
|
|
CELLPADDING="6"
|
|
><TR
|
|
><TD
|
|
><PRE
|
|
CLASS="PROGRAMLISTING"
|
|
>int xmlNanoHTTPSave (void *ctxt,
|
|
const char *filename);</PRE
|
|
></TD
|
|
></TR
|
|
></TABLE
|
|
><P
|
|
>This function saves the output of the HTTP transaction to a file
|
|
It closes and free the context at the end</P
|
|
><P
|
|
></P
|
|
><DIV
|
|
CLASS="INFORMALTABLE"
|
|
><P
|
|
></P
|
|
><TABLE
|
|
BORDER="0"
|
|
WIDTH="100%"
|
|
BGCOLOR="#FFD0D0"
|
|
CELLSPACING="0"
|
|
CELLPADDING="4"
|
|
CLASS="CALSTABLE"
|
|
><TR
|
|
><TD
|
|
WIDTH="20%"
|
|
ALIGN="RIGHT"
|
|
VALIGN="TOP"
|
|
><TT
|
|
CLASS="PARAMETER"
|
|
><I
|
|
>ctxt</I
|
|
></TT
|
|
> :</TD
|
|
><TD
|
|
WIDTH="80%"
|
|
ALIGN="LEFT"
|
|
VALIGN="TOP"
|
|
> the HTTP context</TD
|
|
></TR
|
|
><TR
|
|
><TD
|
|
WIDTH="20%"
|
|
ALIGN="RIGHT"
|
|
VALIGN="TOP"
|
|
><TT
|
|
CLASS="PARAMETER"
|
|
><I
|
|
>filename</I
|
|
></TT
|
|
> :</TD
|
|
><TD
|
|
WIDTH="80%"
|
|
ALIGN="LEFT"
|
|
VALIGN="TOP"
|
|
> the filename where the content should be saved</TD
|
|
></TR
|
|
><TR
|
|
><TD
|
|
WIDTH="20%"
|
|
ALIGN="RIGHT"
|
|
VALIGN="TOP"
|
|
><I
|
|
CLASS="EMPHASIS"
|
|
>Returns</I
|
|
> :</TD
|
|
><TD
|
|
WIDTH="80%"
|
|
ALIGN="LEFT"
|
|
VALIGN="TOP"
|
|
>-1 in case of failure, 0 incase of success.</TD
|
|
></TR
|
|
></TABLE
|
|
><P
|
|
></P
|
|
></DIV
|
|
></DIV
|
|
><HR><DIV
|
|
CLASS="REFSECT2"
|
|
><A
|
|
NAME="AEN9271"
|
|
></A
|
|
><H3
|
|
><A
|
|
NAME="XMLNANOHTTPCLOSE"
|
|
></A
|
|
>xmlNanoHTTPClose ()</H3
|
|
><TABLE
|
|
BORDER="0"
|
|
BGCOLOR="#D6E8FF"
|
|
WIDTH="100%"
|
|
CELLPADDING="6"
|
|
><TR
|
|
><TD
|
|
><PRE
|
|
CLASS="PROGRAMLISTING"
|
|
>void xmlNanoHTTPClose (void *ctx);</PRE
|
|
></TD
|
|
></TR
|
|
></TABLE
|
|
><P
|
|
>This function closes an HTTP context, it ends up the connection and
|
|
free all data related to it.</P
|
|
><P
|
|
></P
|
|
><DIV
|
|
CLASS="INFORMALTABLE"
|
|
><P
|
|
></P
|
|
><TABLE
|
|
BORDER="0"
|
|
WIDTH="100%"
|
|
BGCOLOR="#FFD0D0"
|
|
CELLSPACING="0"
|
|
CELLPADDING="4"
|
|
CLASS="CALSTABLE"
|
|
><TR
|
|
><TD
|
|
WIDTH="20%"
|
|
ALIGN="RIGHT"
|
|
VALIGN="TOP"
|
|
><TT
|
|
CLASS="PARAMETER"
|
|
><I
|
|
>ctx</I
|
|
></TT
|
|
> :</TD
|
|
><TD
|
|
WIDTH="80%"
|
|
ALIGN="LEFT"
|
|
VALIGN="TOP"
|
|
> the HTTP context</TD
|
|
></TR
|
|
></TABLE
|
|
><P
|
|
></P
|
|
></DIV
|
|
></DIV
|
|
></DIV
|
|
><DIV
|
|
CLASS="NAVFOOTER"
|
|
><BR
|
|
CLEAR="all"><BR><TABLE
|
|
WIDTH="100%"
|
|
BORDER="0"
|
|
BGCOLOR="#000000"
|
|
CELLPADDING="1"
|
|
CELLSPACING="0"
|
|
><TR
|
|
><TD
|
|
WIDTH="25%"
|
|
BGCOLOR="#C00000"
|
|
ALIGN="left"
|
|
><A
|
|
HREF="gnome-xml-xpath.html"
|
|
><FONT
|
|
COLOR="#FFFFFF"
|
|
SIZE="3"
|
|
><B
|
|
><<< Previous Page</B
|
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></FONT
|
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></A
|
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></TD
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><TD
|
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WIDTH="25%"
|
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BGCOLOR="#0000C0"
|
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ALIGN="center"
|
|
><FONT
|
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COLOR="#FFFFFF"
|
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SIZE="3"
|
|
><B
|
|
><A
|
|
HREF="book1.html"
|
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><FONT
|
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COLOR="#FFFFFF"
|
|
SIZE="3"
|
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><B
|
|
>Home</B
|
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></FONT
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></A
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></B
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><TD
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WIDTH="25%"
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BGCOLOR="#00C000"
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ALIGN="center"
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><FONT
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COLOR="#FFFFFF"
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SIZE="3"
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><B
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><A
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HREF="libxml-lib.html"
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><FONT
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COLOR="#FFFFFF"
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SIZE="3"
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><B
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>Up</B
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WIDTH="25%"
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BGCOLOR="#C00000"
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ALIGN="right"
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><A
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HREF="gnome-xml-xmlio.html"
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><FONT
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COLOR="#FFFFFF"
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SIZE="3"
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><B
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>Next Page >>></B
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COLSPAN="2"
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ALIGN="left"
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COLOR="#FFFFFF"
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SIZE="3"
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><B
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>xpath</B
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><TD
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COLSPAN="2"
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ALIGN="right"
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><FONT
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COLOR="#FFFFFF"
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SIZE="3"
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><B
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>xmlIO</B
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></TR
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></TABLE
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></DIV
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></BODY
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> |