Returns information on the column structure of the given database link identifier.
The database link identifier, returned by dbase_open() or dbase_create().
An indexed array with an entry for each column in the database. The array index starts at 0.
Each array element contains an associative array of column information, as described here:
The name of the column
The human-readable name for the dbase type of the column (i.e. date, boolean, etc.)
The number of bytes this column can hold
The number of digits of decimal precision for the column
A suggested printf() format specifier for the column
The byte offset of the column from the start of the row
If the database header information cannot be read, FALSE is returned.