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

       SVID 3, POSIX, BSD 4.3, ISO 9899


SEE ALSO

       putenv(3), setenv(3), clearenv(3), unsetenv(3), environ(5)

GNU                               1993-04-03                         getenv(3)