/* booldef.h - defines a "boolean" type */ #ifndef BOOLDEF_HEADER #define BOOLDEF_HEADER #define boolean int #define T 1 #define F 0 /* (K&R p. 38 equates non-zero with true,but most C's use 0 and 1.) */ #endif extern char *bool_print(boolean x); /* end of booldef.h */