getegid(2) -- Linux man page

 

NAME

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 process.

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)