9os

Experimental kernel using plan9 ideas for embedded device
git clone git://git.simple-cc.org/9os
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strrchr.c (188B)

      1 #include <string.h>
      2 #undef strrchr
      3 
      4 char *
      5 strrchr(const char *s, int c)
      6 {
      7 	const char *t = s;
      8 
      9 	while (*t)
     10 		++t;
     11 	while (t > s && *t != c)
     12 		--t;
     13 	return (*t == c) ? (char *)t : NULL;
     14 }