add function checking if a tree is empty to psplay
authorChristian Thaeter <ct@pipapo.org>
Sun, 7 Oct 2007 06:49:50 +0000 (08:49 +0200)
committerChristian Thaeter <ct@pipapo.org>
Sun, 7 Oct 2007 06:49:50 +0000 (08:49 +0200)
commit45b4f8efb28f9ffc711401bd533083d87894c6e5
treecf9bb615469f3692406dee456e7bb113bfba5f22
parent492b8b4a22f47c6cbd1930bd453e3970b3f9604d
add function checking if a tree is empty to psplay
psplay.h