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