.Sh LIBRARY
.Lb libc
.Sh SYNOPSIS
-.In stdlib.h
+.In pwd.h
.Ft char *
-.Fn user_from_uid "unsigned long uid" "int nouser"
+.Fn user_from_uid "uid_t uid" "int nouser"
+.In grp.h
.Ft char *
-.Fn group_from_gid "unsigned long gid" "int nogroup"
+.Fn group_from_gid "gid_t gid" "int nogroup"
.Sh DESCRIPTION
The
.Fn user_from_uid