.\" generated by cd2nroff 0.1 from curl_free.md .TH curl_free 3 "2024-04-29" libcurl .SH NAME curl_free \- reclaim memory that has been obtained through a libcurl call .SH SYNOPSIS .nf #include void curl_free(void *ptr); .fi .SH DESCRIPTION curl_free reclaims memory that has been obtained through a libcurl call. Use \fIcurl_free(3)\fP instead of free() to avoid anomalies that can result from differences in memory management between your application and libcurl. Passing in a NULL pointer in \fIptr\fP makes this function return immediately with no action. .SH PROTOCOLS All .SH EXAMPLE .nf int main(void) { char *width = curl_getenv("COLUMNS"); if(width) { /* it was set! */ curl_free(width); } } .fi .SH AVAILABILITY Always .SH RETURN VALUE None .SH SEE ALSO .BR curl_easy_escape (3), .BR curl_easy_unescape (3)