#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(char *, unsigned int, int);
extern unsigned int byte_rchr(char *, unsigned int, int);
extern void byte_copy(void *, unsigned int, const void *);
extern void byte_copyr(void *, unsigned int, const void *);
extern int byte_diff(const void *, unsigned int, const void *);
extern void byte_zero(void *, unsigned int);
extern void byte_fill(void *, unsigned int, int);

#define byte_equal(s, n, t) (!byte_diff((s), (n), (t)))

#endif