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.