Guardian Procedure Calls Reference Manual (G06.25+)

Guardian Procedure Calls (C)

Guardian Procedure Calls Reference Manual—522629-013

3-16

CHECK^FILE Procedure

Summary

Syntax for Native C Programs

Syntax for TAL Programmers

Parameters

Considerations

Example

Related Programming Manual

Summary

The CHECK^FILE procedure checks the file characteristics of a specified file.

CHECK^FILE is a sequential I/O (SIO) procedure and can be used only with files that

have been opened by OPEN^FILE.

Syntax for Native C Programs

Syntax for TNS C Programs

Syntax for TAL Programmers

For pTAL callers, the procedure definition is:

For other callers, the procedure definition is:

#include <cextdecs(CHECK_FILE)>

short CHECK_FILE ( short { _near *common-fcb }

{ _near *file-fcb }

,short operation

,[ short _near *ret-addr ] );

#include <cextdecs(CHECK_FILE)>

short CHECK_FILE ( short { _near *common-fcb }

{ _near *file-fcb }

,short operation );

retval := CHECK^FILE ( { common-fcb } ! i

{ file-fcb } ! i

,operation ! i

,[ ret-addr ] ); ! o

retval := CHECK^FILE ( { common-fcb } ! i

{ file-fcb } ! i

,operation ); ! i