[qmail] / byte_rchr.c

#include "byte.h"

unsigned int byte_rchr(s,n,c)
char *s;
register unsigned int n;
int c;
{
  register char ch;
  register char *t;
  register char *u;

  ch = c;
  t = s;
  u = 0;
  for (;;) {
    if (!n) break; if (*t == ch) u = t; ++t; --n;
    if (!n) break; if (*t == ch) u = t; ++t; --n;
    if (!n) break; if (*t == ch) u = t; ++t; --n;
    if (!n) break; if (*t == ch) u = t; ++t; --n;
  }
  if (!u) u = t;
  return u - s;
}
Commit	Line	Data
2117e02e MW	1	#include "byte.h"
	2
	3	unsigned int byte_rchr(s,n,c)
	4	char *s;
	5	register unsigned int n;
	6	int c;
	7	{
	8	register char ch;
	9	register char *t;
	10	register char *u;
	11
	12	ch = c;
	13	t = s;
	14	u = 0;
	15	for (;;) {
	16	if (!n) break; if (*t == ch) u = t; ++t; --n;
	17	if (!n) break; if (*t == ch) u = t; ++t; --n;
	18	if (!n) break; if (*t == ch) u = t; ++t; --n;
	19	if (!n) break; if (*t == ch) u = t; ++t; --n;
	20	}
	21	if (!u) u = t;
	22	return u - s;
	23	}