NAME

getresgid — get real group ID, effective group ID, and saved set-group-ID

SYNOPSIS

[XSI] #include <unistd.h>

int getresgid(gid_t *restrict rgid, gid_t *restrict egid,
       gid_t *restrict sgid);

DESCRIPTION

The getresgid() function shall store the real group ID, effective group ID, and saved set-group-ID of the calling process in the locations pointed to by the arguments rgid, egid, and sgid, respectively.

RETURN VALUE

Upon successful completion, 0 shall be returned. Otherwise, -1 shall be returned and errno set to indicate the error.

ERRORS

No errors are defined.

EXAMPLES

None.

APPLICATION USAGE

None.

RATIONALE

None.

FUTURE DIRECTIONS

None.

SEE ALSO

exec, getegid, geteuid, getgid, getresuid, getuid, setegid, seteuid, setgid, setregid, setresgid, setresuid, setreuid, setuid

XBD <unistd.h>

CHANGE HISTORY

First released in Issue 8.