Sets the field cursor to the given offset. The next call to sasql_fetch_field will retrieve the field definition of the column
associated with that offset.
$result
The result resource returned by the sasql_query function.
$field_offset
An integer representing the column/field on which you want to retrieve information. Columns are zero based; to get the
first column, specify the value 0. If this parameter is omitted, then the next field object is returned.
Prototype