__getdcba

Returns the address of a DCB for an open dataset.

void * __getdcba (int handle);

Required Header
<io.h>

Return Value

This function returns an address if the operation was successful. NULL indicates an error.

Parameters

handle

  The low level I/O handle to the open file

Remarks

The __getdcba function returns the address of a DCB for an open file to allow specific operations under MVS to be performed.

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

Low Level I/O

See Also    __getdcb, _open