setuid

Syntax

#include <unistd.h> int setuid(uid_t uid);

Description

This function is simulated, since MS-DOS does not support user IDs.

Return Value

If uid is equal to that returned by see section getuid, returns zero. Otherwise, returns -1 and sets errno to EPERM.

Portability

ANSI/ISO C	No
POSIX	1003.2-1992; 1003.1-2001