DevHelp QueueFlush
This service clears the character queue structure that is specified; that is, it empties the buffer.
Syntax
C
USHORT APIENTRY DevHelp_QueueFlush (NPBYTE Queue)
Assembler
MOV BX,OFFSET DS:queue ; Points to the queue structure to be flushed.
; (The Qsize field must be set up.)
MOV DL,DevHlp_QueueFlush
CALL [Device_Help]
Parameters
C
- Queue (NPBYTE)
- input - Near pointer to the queue structure to be flushed. (The Qsize field must be set up.)
Assembler
MOV BX,OFFSET DS:queue ; Points to the queue structure to be flushed.
; (The Qsize field must be set up.)
Return Code
C
None .
Assembler
None .
Remarks
This function operates on the simple character queue structure initialized by QueueInit.
Example Code
C
#include "dhcalls.h" USHORT APIENTRY DevHelp_QueueFlush (NPBYTE Queue)