Locate the first occurrence of the string needle in the string haystack
where not more than hay_length characters are searched. A zero-length
string needle is considered to match at the start of haystack.
This function is a length-limited version of the standard strstr().
@param haystack string to search in
@param needle string to search for
@param hay_length length of string to search in
@return pointer to the located match within haystack
or a null pointer if no match
Locate the first occurrence of the string needle in the string haystack where not more than hay_length characters are searched. A zero-length string needle is considered to match at the start of haystack.
This function is a length-limited version of the standard strstr().
@param haystack string to search in @param needle string to search for @param hay_length length of string to search in @return pointer to the located match within haystack or a null pointer if no match