result - a result set identifier returned by mysql_store_result() or mysql_use_result().
offset - the field number. This number must be in the range from 0..number of fields - 1.
Sets the field cursor to the given offset. The next call to will retrieve the field definition of the column associated with that offset.
Returns the previous value of the field cursor.
MYSQL_FIELD_OFFSET mysql_field_seek(MYSQL_RES * result,
MYSQL_FIELD_OFFSET offset);