Hi guys,

/*
** The world began in 1900...according to time.h
** This i converted from a visual basic KB example, it returns the elapsed
** number of days between any two dates from 0 to infinity year.
** It seems to work ok.
*/

#include 
#include 

#define TEST

#ifdef TEST
 #include  
#endif

struct dosDate
{
 unsigned int year;
 unsigned char day;
 unsigned char month;
 unsigned char dow;
 /* dow = 0 = Sunday */
 };


long Date_Diff(struct dosDate *d1,struct dosDate *d2)
{
 double y1 = d1->year + (d1->month - 2.85) / 12;
 double y2 = d2->year + (d2->month - 2.85) / 12;
 long a =
(long)
 ((long)
  ((long)(367 * y1)-1.75 * y1 + d1->day)-0.75 * (0.01 * y1)) + 1721119L;

 long b =
(long)
 ((long)
  ((long)(367 * y2)-1.75 * y2 + d2->day)-0.75 * (0.01 * y2)) + 1721119L;

return (a-b);
};

void Get_Date(struct dosDate* dd)
{
 union REGS regs;
 regs.h.ah = 0x2a;
 int86(0x21,®s,®s);
 dd->year = regs.x.cx;
 dd->month = regs.h.dh;
 dd->day = regs.h.dl;
 dd->dow = regs.h.al;
 };

#ifdef TEST

main()
{
 struct dosDate e,f;
 long diff;
 Get_Date(&e);
 f.year = 2996;
 f.month = 12;
 f.day = 24;
 diff = Date_Diff(&e,&f);
 printf("\nOnly %d days left till that one.",abs((int)diff));
 return 0;
 }

#endif

  L8r Frank(fadam{at}ozemail.com.au)

___ Blue Wave/DOS v2.21
            

--- Gash