days and hours from birth date

count_dates_from_birth.m

#import <Foundation/Foundation.h>

int main(int argc, const char *argv[])
{
  NSString *birthd = @"1971-8-24 09:00:00 +0900";

  NSDate *from = [[NSDate alloc] initWithString:birthd];
  NSTimeInterval diff = [from timeIntervalSinceNow];
  int days = diff / 60 / 60 / 24;
  int hours = ((int)diff/60/60) % 24;

  printf("%d days and %d hours from %s\n", -days, -hours, [birthd UTF8String]);
  return 0;
}

나도 이제 objective c 코더 ! 예이!