# LibHTTP API Reference ### `httplib_strcasecmp( s1, s2 );` ### Parameters | Parameter | Type | Description | | :--- | :--- | :--- | |**`s1`**|`const char *`|First string to compare| |**`s2`**|`const char *`|Second string to compare| ### Return Value | Type | Description | | :--- | :--- | |`int`|Integer value with the result of the comparison| ### Description The function `httplib_strcasecmp()` is a helper function to compare two strings. The comparison is case insensitive. The return value is **0** if both strings are equal, less then zero if the first string is less than the second in a lexical comparison, and greater than zero if the first string is greater than the second. ### See Also * [`httplib_strcasestr();`](httplib_strcasestr.md) * [`httplib_strdup();`](httplib_strdup.md) * [`httplib_strncasecmp();`](httplib_strncasecmp.md) * [`httplib_strndup();`](httplib_strndup.md)