MirOS Manual: setrgid(3), setruid(3)

SETRUID(3)                 BSD Programmer's Manual                  SETRUID(3)


     setruid, setrgid - set user and group ID


     #include <sys/types.h>

     setruid(uid_t uid);

     setrgid(gid_t gid);


     This interface is made obsolete by setreuid(2). It is available from the
     compatibility library, libcompat.

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


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

     If the user is not the super user, or the UID (GID) specified is not the
     real or effective ID of the process, these functions return -1.


     getgid(2), getuid(2), setegid(2), seteuid(2), setgid(2), setregid(2),
     setresgid(2), setresuid(2), setreuid(2), setuid(2)


     The setruid() and setrgid() functions appeared in 4.2BSD. Semantically
     different versions appeared in 4.4BSD. The current versions, with the
     original semantics restored, appeared in OpenBSD 3.3.

MirOS BSD #10-current           April 19, 1991                               1

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