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SETRUID(3) Library Functions Manual SETRUID(3) NAME setruid, setrgid -- set user and group ID LIBRARY Standard C Library (libc, -lc) SYNOPSIS #include <sys/types.h> int setruid(uid_t ruid); int setrgid(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 getgid(2), getuid(2), setegid(2), seteuid(2), setgid(2), setuid(2) HISTORY The setruid() and setrgid() syscalls appeared in 4.2BSD and were dropped in 4.4BSD. NetBSD 7.1.2 June 2, 1993 NetBSD 7.1.2