char *ustrchr(const char *s, int c);
DESCRIPTIONFinds the first occurrence of the character `c' in the string `s'. Example:
char *p = ustrchr("one,two,three,four", ',');
RETURN VALUEReturns a pointer to the first occurrence of `c' in `s', or NULL if no match was found. Note that if `c' is NULL, this will return a pointer to the end of the string.