my_ulonglong mysql_insert_id(MYSQL * mysql);mysql - a mysql handle, which was previously allocated by mysql_init() or mysql_real_connect().
The mysql_insert_id() function returns the ID generated by a query on a table with a column having the attribute or the value for the last usage of . If the last query wasn't an or statement or if the modified table does not have a column with the attribute and was not used, this function will return zero.