en:ibm:ifs:mfsd-entries:open

MFS_OPEN - Open a file

Purpose

Open the specified file.

Calling Sequence

int far pascal MFS_OPEN(pszName, pulSize)
 
char far * pszName;
unsigned long far * pulSize;

Where

pszName is a pointer to the ASCIIZ name of the file to be opened. It may include a path but will not include a drive.

pulSize is a pointer to a double word which is filled in by the mini-FSD with the size of the file in bytes.

Returns

If no error is detected, a zero error code is returned. If an error is detected, a non-zero error code is returned.

Remarks

Only one file at a time will be opened by this call. The drive will always be the boot drive.

The current file position is set to the beginning of the file.