getgid, getegid - get group identity


SYNOPSIS

       #include <unistd.h>
       #include <sys/types.h>

       gid_t getgid(void);
       gid_t getegid(void);


DESCRIPTION

       getgid returns the real group ID of the current process.

       getegid returns the effective group ID of the current pro­
       cess.

       The real ID corresponds to the ID of the calling  process.
       The effective ID corresponds to the set ID bit on the file
       being executed.


ERRORS

       These functions are always successful.


CONFORMING TO

       POSIX, BSD 4.3


SEE ALSO

       setregid(2), setgid(2)