curl_version(3) Library Functions Manual curl_version(3)

curl_version - returns the libcurl version string

#include <curl/curl.h>
char *curl_version();

Returns a human readable string with the version number of libcurl and some of its important components (like OpenSSL version).

We recommend using curl_version_info(3) instead!

int main(void)
{

printf("libcurl version %s\n", curl_version()); }

Always

A pointer to a null-terminated string. The string resides in a statically allocated buffer and must not be freed by the caller.

curl_version_info(3)

November 4, 2020 libcurl 7.77.0