if (*s == (char) c) return (char *) s; 
if (*s == (char)c) return (char *)s; 
char *strnchr(const char *s, size_t count, int c){	for (; count-- && *s != '\0'; ++s)		if (*s == (char) c)			return (char *) s;	return NULL;}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/51a0f0f658b0e757d569e8ac224ccb6bbfe3c181/string.c/buggy/lib/string.c