getenv (3)

GETENV(3) Linux Programmer's Manual GETENV(3) 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 environ- ment, or NULL if there is no match. CONFORMING TO SVr4, POSIX.1-2001, 4.3BSD, C89, C99. SEE ALSO clearenv(3), putenv(3), setenv(3), unsetenv(3), environ(7) GNU 1993-04-03 GETENV(3)