BlockRead procedure

- 4.62.2.8 -

Standard Units

System Unit

System Unit Procedures and Functions

BlockRead procedure

Targets: MS-DOS, Win32
System Unit

Reads one or more records into a variable.

Declaration:

procedure BlockRead(var F: File; var Buf;
                     Count: Longint[; var  Result: Longint]);

where:

  F      - untyped file variable
  Buf    - any variable
  Count  - an expression of type Word
  Result - a variable of type Word

Remarks:
BlockRead works only on open files and advances the current file pointer. IOResult returns an error code if an error occurred, otherwise IOResult is set to zero. Also note that BlockRead is not limited to 65,535 (64K) bytes while reading from a file, i.e. Count may be > 64K.


Assigned function	Table of Content	BlockWrite procedure

- 4.62.2.8 -