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_CKBIOSK.C
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1992-11-21
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54 lines
#define CURSES_LIBRARY 1
#define NEEDS_OS2 1
#include <curses.h>
#ifndef NDEBUG
char *rcsid__ckbiosk = "$Header: c:/curses/private/RCS/_ckbiosk.c%v 2.0 1992/11/15 03:24:29 MH Rel $";
#endif
/*man-start*********************************************************************
PDC_check_bios_key() - Check BIOS key data area for input
PDCurses Description:
This is a private PDCurses routine.
This routine will check the BIOS for any indication that
keystrokes are pending.
PDCurses Return Value:
Returns 1 if a keyboard character is available, 0 otherwise.
PDCurses Errors:
No errors are defined for this function.
Portability:
PDCurses bool PDC_check_bios_key( void );
**man-end**********************************************************************/
bool PDC_check_bios_key(void)
{
#ifdef FLEXOS
retcode = s_get(T_VIRCON, 0L, (char *) &vir, (long) sizeof(vir));
return( (retcode < 0L) ? ERR : vir.vc_tahead );
#endif
#if defined (DOS)
return(kbhit());
#endif
#if OS2
#if !defined(MSC)
KBDKEYINFO keyInfo;
/* KbdCharIn(&keyInfo, IO_NOWAIT, 0);*/ /* get a character */
KbdPeek(&keyInfo, 0); /* peek at keyboard */
return (keyInfo.fbStatus != 0);
#else
return(kbhit());
#endif
#endif
}