1973
1973
* @str1: (allow-none): a C string or %NULL
1974
1974
* @str2: (allow-none): another C string or %NULL
1977
1977
* gracefully by sorting it before non-%NULL strings.
1978
1978
* Comparing two %NULL pointers returns 0.
1980
* Returns: -1, 0 or 1, if @str1 is <, == or > than @str2.
1980
* Returns: an integer less than, equal to, or greater than zero, if @str1 is <, == or > than @str2.