22 lines
397 B
C
22 lines
397 B
C
#include "str.h"
|
|
|
|
unsigned int str_rchr(s,c)
|
|
register char *s;
|
|
int c;
|
|
{
|
|
register char ch;
|
|
register char *t;
|
|
register char *u;
|
|
|
|
ch = c;
|
|
t = s;
|
|
u = 0;
|
|
for (;;) {
|
|
if (!*t) break; if (*t == ch) u = t; ++t;
|
|
if (!*t) break; if (*t == ch) u = t; ++t;
|
|
if (!*t) break; if (*t == ch) u = t; ++t;
|
|
if (!*t) break; if (*t == ch) u = t; ++t;
|
|
}
|
|
if (!u) u = t;
|
|
return u - s;
|
|
}
|