==== MFS_OPEN - Open a file ====

**Purpose**

Open the specified file.   

**Calling Sequence**

<code c>
int far pascal MFS_OPEN(pszName, pulSize)

char far * pszName;
unsigned long far * pulSize;
</code>

**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.