collate
Description:
Compares str_a
with str_b
, the order of strings is determined by the parameters of this
.
The result
will be set to integer less than, equal to, or greater than zero if str_a
is found, respectively, to be
less than, to match, or be greater than str_b
.
Either str_a
or str_b
can be null
, null
strings are considered to sort below other strings.
This function will first ensure that both strings are valid UTF-8.
Parameters:
this |
An Collator |
str_a |
A string to compare |
str_b |
The string to compare with |
result |
A location to store the comparison result |
Returns:
|