mud/
mud/2.4.5/dgd/include/
mud/2.4.5/dgd/std/
mud/2.4.5/dgd/sys/
mud/2.4.5/doc/
mud/2.4.5/doc/examples/
mud/2.4.5/log/
mud/2.4.5/obj/Go/
mud/2.4.5/players/
mud/2.4.5/players/lars/
mud/2.4.5/room/death/
mud/2.4.5/room/maze1/
mud/2.4.5/room/post_dir/
mud/2.4.5/room/sub/ 
int query_npc()

This function is defined by all living objects and monsters. It will return
1 for monsters, and 0 for players. NPC = Non Player Character.

See also: lfun/query_gender_string