#include #include "namespace.h" #include #include #include uid_t geteuid(void) { message m; memset(&m, 0, sizeof(m)); /* POSIX says that this function is always successful and that no * return value is reserved to indicate an error. Minix syscalls * are not always successful and Minix returns the unreserved value * (uid_t) -1 when there is an error. */ if (_syscall(PM_PROC_NR, PM_GETUID, &m) < 0) return ( (uid_t) -1); return( (uid_t) m.PM_GETUID_EUID); }