NAME

setruid, setrgid − set user and group ID

SYNOPSIS

#include <sys/types.h>

int
setruid(ruid)
    uid_t ruid
int
setrgid(rgid)
    gid_t rgid

DESCRIPTION

The setruid function (setrgid) sets the real user ID (group ID) of the current process. 

RETURN VALUES

Upon success, these functions return 0; otherwise −1 is returned. 

If the user is not the super user, or the uid specified is not the real or effective ID, these functions return −1. 

The use of these calls is not portable.  Their use is discouraged; they will be removed in the future. 

SEE ALSO

setuid(2), setgid(2), seteuid(2), setegid(2), getuid(2), getgid(2)

HISTORY

The setruid and setrgid syscalls appeared in 4.2BSD and were dropped in 4.4BSD. 

4th Berkeley Distribution  —  December 3, 1997