getenv(3) - Linux man page
Name
getenv - get an environment variable
Synopsis
#include <stdlib.h>
char *getenv(const char *name);
Description
The
getenv() function searches the environment list for a string that matches the string pointed to
by
name. The strings are of the form
name = value.
Return Value
The
getenv() function returns a pointer to the value in the environment, or NULL if there is no
match.
Conforming to
SVr4, POSIX.1-2001, 4.3BSD, C89
See Also
clearenv(3),
putenv(3),
setenv(3),
unsetenv(3),
environ(7)
Referenced By
environ(5),
groff_diff(7),
tzset(3)
