__bldl

Reports the files (member) block position.

int __bldl (int handle);

Required Header
<io.h>

Return Value

This function returns the TTRK if the operation was successful. -1 indicates an error.

Parameters

handle

  The low level I/O handle to the open file

Remarks

The __bldl function returns the TTRK of the opened member file. The K value describes which concatenated dataset was used to open the member, where values start from 0.

Use _fileno to get the low-level handle of a stream.

Only files that have been specified with a (member) in read-only mode can use this function.

Low Level I/O

See Also    __note