int uid;
{
struct passwd *pw;
-#ifndef HAVE_GETPWUID
extern struct passwd *getpwuid ();
-#endif
if (uid != saveuid) {
saveuid = uid;
int gid;
{
struct group *gr;
-#ifndef HAVE_GETGRGID
extern struct group *getgrgid ();
-#endif
if (gid != savegid) {
savegid = gid;