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curl_unescape(3) Library Functions Manual curl_unescape(3) NAME curl_unescape - URL decode a string SYNOPSIS #include <curl/curl.h> char *curl_unescape(const char *input, int length); DESCRIPTION Deprecated. Use curl_easy_unescape(3) instead. This function converts the URL encoded string input to a "plain string" and return that as a new allocated string. All input characters that are URL encoded (%XX where XX is a two-digit hexadecimal number) are converted to their plain text versions. If the length argument is set to 0, curl_unescape(3) calls strlen() on input to find out the size. You must curl_free(3) the returned string when you are done with it. PROTOCOLS This functionality affects all supported protocols EXAMPLE int main(void) { CURL *curl = curl_easy_init(); if(curl) { char *decoded = curl_unescape("%63%75%72%6c", 12); if(decoded) { /* do not assume printf() works on the decoded data */ printf("Decoded: "); /* ... */ curl_free(decoded); } } } DEPRECATED Since 7.15.4, curl_easy_unescape(3) should be used. This function might be removed in a future release. AVAILABILITY Added in curl 7.1 RETURN VALUE A pointer to a null-terminated string or NULL if it failed. SEE ALSO RFC2396, curl_easy_escape(3), curl_easy_unescape(3), curl_free(3) libcurl 2025-06-03 curl_unescape(3)
NAME | SYNOPSIS | DESCRIPTION | PROTOCOLS | EXAMPLE | DEPRECATED | AVAILABILITY | RETURN VALUE | SEE ALSO
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