tb_long_t tb_string_strirchr(tb_string_ref_t string, tb_size_t p, tb_char_t c)
{
// check
tb_char_t const* s = tb_string_cstr(string);
tb_size_t n = tb_string_size(string);
tb_assert_and_check_return_val(s && p && p < n, -1);
// done
tb_char_t* q = tb_strnirchr(s + p, n, c);
return (q? q - s : -1);
}
/* //////////////////////////////////////////////////////////////////////////////////////
* interfaces
*/
tb_char_t* tb_strirchr(tb_char_t const* s, tb_char_t c)
{
tb_assert_and_check_return_val(s, tb_null);
return tb_strnirchr(s, tb_strlen(s), c);
}
