INITUSLF

NOTE: A USL contains CM object code and is meaningful only in the CM program development process.

Syntax

  I16                    I16V     I16A
  uslferror := INITUSLF (uslfnum, record);

Functional Return

uslferror

16-bit signed integer (assigned functional return)

Returns error information. If no error occurs, no value is returned. If an error occurs (condition code returns CCL (1)), one of the following is returned:

Value

Meaning

0

An unexpected end-of-file was encountered when writing to uslfnum.

1

Unexpected I/O error occurred.

3

Your request attempted to exceed the maximum file size (32,768 records) or was smaller than the minimum file size (4 records).

Parameters

uslfnum

16-bit signed integer by value (required)

The file number of the USL file.

record

16-bit signed integer array (required)

Passes and returns a buffer, corresponding to the first record of the USL file (record 0), to be initialized to the empty state. Set this 128-element array to all zeros. The intrinsic sets certain values in record 0 before returning to the calling program.

Condition Codes

CCE (2)

Request granted.

CCG (0)

Not returned.

CCL (1)

Request denied. An error number is returned to uslferror.

Related Information

Manual

MPE Segmenter Reference Manual