DragonFly On-Line Manual Pages
curl_getenv(3) libcurl curl_getenv(3)
curl_getenv - return value for environment name
char *curl_getenv(const char *name);
curl_getenv() is a portable wrapper for the getenv() function, meant to
emulate its behavior and provide an identical interface for all
operating systems libcurl builds on (including win32).
You must curl_free(3) the returned string when you are done with it.
char *width = curl_getenv("COLUMNS");
/* it was set! */
A pointer to a null-terminated string or NULL if it failed to find the
Under unix operating systems, there is no point in returning an
allocated memory, although other systems will not work properly if this
is not done. The unix implementation thus has to suffer slightly from
the drawbacks of other systems.
libcurl 8.1.2 April 26, 2023 curl_getenv(3)