/* * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands. * See the copyright notice in the ACK home directory, in the file "Copyright". */ /* $Header$ */ #ifdef NDEBUG #define debug(s, a1, a2, a3, a4) #else extern int DEB; #define debug(s, a1, a2, a3, a4) (DEB && printf(s, a1, a2, a3, a4)) #endif