2 #define geteuid _geteuid
9 /* POSIX says that this function is always successful and that no
10 * return value is reserved to indicate an error. Minix syscalls
11 * are not always successful and Minix returns the unreserved value
12 * (uid_t) -1 when there is an error.
14 if (_syscall(MM
, GETUID
, &m
) < 0) return ( (uid_t
) -1);
15 return( (uid_t
) m
.m2_i1
);