Note: This API call is for DOS and Win16 personality only. Use Family API for portability.
5 and higher
QUERY GENERIC IOCTL CAPABILITY (HANDLE)
AX = 4410h BX = handle for device CH = category code (see #01545) CL = function code (see #01546)
CF clear if successful AX = 0000h specified IOCTL function is supported CF set on error AL = 01h IOCTL capability not available
a program which wishes to use Generic IOCTL calls beyond those in the standard DOS 3.2 set may use this call first to see whether a particular call is supported
Text based on Ralf Brown Interrupt List Release 61
osFree Macro Library | |
---|---|
Video I/O | @SetMode @SetCurSz @SetCurPos @GetCur @SetPage @ScrollUp @ScrollDn @Scroll @GetChAtr @PutChAtr @PutCh @SetPalet @SetColor @SetDot @GetDot @WrtTTY @VideoState @GetMode @GetDisplay @GetVideoState @GetEGAInfo @Cls |
Hardware info | @Equipment @MemSize |
Serial I/O | @AuxInit @AuxSendChar @AuxRecieveChar @AuxStatus |
Tape I/O | @TapeOn @TapeOff @TapeRead @TapeWrite |
Keyboard I/O | @KbdStatus @CharIn @CharPeek |
Printer I/O | @PrnPrint @PrnInit @PrnStatus |
Disk I/O | @DskReset @DskStatus @DskRead @DskWrite @DskVerify @DskFormat |
Date and Time | @SetTime @GetTime |
Mouse | @MouInit @MouShowPointer @MouStatus @MouSetPos @MouSetMickey @MouRegion |
Memory manager | @ModBlok SET_BLOCK |