## NAME

CURLOPT_FNMATCH_FUNCTION - wildcard matching function callback

## SYNOPSIS

    #include <curl/curl.h>

    int fnmatch_callback(void *ptr,
                         const char *pattern,
                         const char *string);

    CURLcode curl_easy_setopt(CURL *handle, CURLOPT_FNMATCH_FUNCTION,
                              fnmatch_callback);

## DESCRIPTION

Pass a pointer to your callback function, which should match the prototype shown above.

This callback is used for wildcard matching.

Return CURL_FNMATCHFUNC_MATCH if pattern matches the string, CURL_FNMATCHFUNC_NOMATCH if not or CURL_FNMATCHFUNC_FAIL if an error occurred.

## DEFAULT

NULL == an internal function for wildcard matching.

## PROTOCOLS

FTP

## EXAMPLE

TODO

## AVAILABILITY

Added in 7.21.0

## RETURN VALUE

Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.

## SEE ALSO

CURLOPT_FNMATCH_DATA, CURLOPT_DEBUGFUNCTION

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