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- .TH CURLOPT_DEBUGFUNCTION 3 "17 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
- .SH NAME
- CURLOPT_DEBUGFUNCTION \- debug callback
- .SH SYNOPSIS
- .nf
- #include <curl/curl.h>
- typedef enum {
- CURLINFO_TEXT = 0,
- CURLINFO_HEADER_IN, /* 1 */
- CURLINFO_HEADER_OUT, /* 2 */
- CURLINFO_DATA_IN, /* 3 */
- CURLINFO_DATA_OUT, /* 4 */
- CURLINFO_SSL_DATA_IN, /* 5 */
- CURLINFO_SSL_DATA_OUT, /* 6 */
- CURLINFO_END
- } curl_infotype;
- int debug_callback(CURL *handle,
- curl_infotype type,
- char *data,
- size_t size,
- void *userptr);
- CURLcode curl_easy_setopt(CURL *handle, CURLOPT_DEBUGFUNCTION,
- debug_callback);
- .SH DESCRIPTION
- Pass a pointer to your callback function, which should match the prototype
- shown above.
- \fICURLOPT_DEBUGFUNCTION(3)\fP replaces the standard debug function used when
- \fICURLOPT_VERBOSE(3)\fP is in effect. This callback receives debug
- information, as specified in the \fItype\fP argument. This function must
- return 0. The \fIdata\fP pointed to by the char * passed to this function WILL
- NOT be zero terminated, but will be exactly of the \fIsize\fP as told by the
- \fIsize\fP argument.
- The \fIuserptr\fP argument is the pointer set with \fICURLOPT_DEBUGDATA(3)\fP.
- Available curl_infotype values:
- .IP CURLINFO_TEXT
- The data is informational text.
- .IP CURLINFO_HEADER_IN
- The data is header (or header-like) data received from the peer.
- .IP CURLINFO_HEADER_OUT
- The data is header (or header-like) data sent to the peer.
- .IP CURLINFO_DATA_IN
- The data is protocol data received from the peer.
- .IP CURLINFO_DATA_OUT
- The data is protocol data sent to the peer.
- .IP CURLINFO_SSL_DATA_OUT
- The data is SSL/TLS (binary) data sent to the peer.
- .IP CURLINFO_SSL_DATA_IN
- The data is SSL/TLS (binary) data received from the peer.
- .SH DEFAULT
- NULL
- .SH PROTOCOLS
- All
- .SH EXAMPLE
- http://curl.haxx.se/libcurl/c/debug.html
- .SH AVAILABILITY
- Always
- .SH RETURN VALUE
- Returns CURLE_OK
- .SH "SEE ALSO"
- .BR CURLOPT_VERBOSE "(3), " CURLOPT_DEBUGDATA "(3), "
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