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getenv

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, C99.

SEE ALSO

clearenv(3), putenv(3), setenv(3), unsetenv(3), environ(7)