#ifndef BYTE_H #define BYTE_H /** @file byte.h @author djb, feh @source s/qmail @comment no declaration of argument types; too many compiler errors */ extern unsigned int byte_chr(); extern unsigned int byte_rchr(); extern void byte_copy(); extern void byte_copyr(); extern int byte_diff(); extern void byte_zero(); extern void byte_fill(); #define byte_equal(s, n, t) (!byte_diff((s), (n), (t))) #endif