#ifndef BYTE_H
#define BYTE_H

extern unsigned int byte_chr(char *s,register unsigned int n,int c);
extern unsigned int byte_rchr(char *s,register unsigned int n,int c);
extern void byte_copy(register char *to,register unsigned int n,register char *from);
extern void byte_copyr();
extern int byte_diff(register char *s,register unsigned int n,register char *t);
extern void byte_zero(char *s,register unsigned int n);

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

#endif