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curl_unescape(3) libcurl Manual curl_unescape(3)

NAME

curl_unescape - URL decodes the given string

SYNOPSIS

#include <curl/curl.h>
char *curl_unescape( const char *url, int length );

DESCRIPTION

Obsolete function. Use curl_easy_unescape(3) instead!
This function will convert the given URL encoded input string 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) will be converted to their plain text versions.
If the 'length' argument is set to 0, curl_unescape() will use strlen() on the input 'url' string to find out the size.
You must curl_free(3) the returned string when you're done with it.

AVAILABILITY

Since 7.15.4, curl_easy_unescape(3) should be used. This function will be removed in a future release.

RETURN VALUE

A pointer to a zero terminated string or NULL if it failed.

SEE ALSO

February 3, 2016 libcurl 7.60.0