1 /*
    2 **  UCLOCK.H
    3 **
    4 **  Original Copyright 1988-1991 by Bob Stout as part of
    5 **  the MicroFirm Function Library (MFL)
    6 **
    7 **  This subset version is functionally identical to the
    8 **  version originally published by the author in Tech Specialist
    9 **  magazine and is hereby donated to the public domain.
   10 */
   11 
   12 #ifndef UCLOCK_H_INCLUDED
   13 #define UCLOCK_H_INCLUDED
   14 
   15 #include <dos.h>
   16 #include <time.h>
   17 
   18 #if defined(__ZTC__)
   19  #include <int.h>
   20  #undef int_on
   21  #undef int_off
   22 #elif defined(__TURBOC__)
   23  #define int_on         enable
   24  #define int_off        disable
   25  #ifndef inp
   26   #define inp           inportb
   27  #endif
   28  #ifndef outp
   29   #define outp          outportb
   30  #endif
   31 #else /* assume MSC/QC */
   32  #include <conio.h>
   33  #define int_on         _enable
   34  #define int_off        _disable
   35  #ifndef MK_FP
   36   #define MK_FP(seg,offset) \
   37         ((void far *)(((unsigned long)(seg)<<16) | (unsigned)(offset)))
   38  #endif
   39 #endif
   40 
   41 /* ANSI-equivalent declarations and prototypes */
   42 
   43 typedef unsigned long uclock_t;
   44 
   45 #define UCLK_TCK 1000000L /* Usec per second - replaces CLK_TCK         */
   46 
   47 #if __cplusplus
   48  extern "C" {
   49 #endif
   50 
   51 uclock_t usec_clock(void);
   52 void     restart_uclock(void);
   53 
   54 #if __cplusplus
   55  }
   56 #endif
   57 #endif
   58