Write a C program to calculate your age.

1:  #include <stdio.h>  
2:  #include <stdlib.h>  
3:  #include <time.h>  
4:  #define YEAR_FACTOR 1900  
5:  #define MONTH_FACTOR 1  
6:  int main(int argc, char *argv[])  
7:  {  
8:      struct tm *tm;  
9:      time_t ltime, cts;  
10:      int year = 0, month = 0, date = 0;  
11:      int age_year = 0, age_month = 0, age_day = 0, age_hrs = 0, age_minut = 0,   
12:  age_second = 0;  
13:      printf("Enter your DOB\n");  
14:      printf("Data(The day you born):");  
15:      scanf("%d",&date);  
16:      printf("Month:");  
17:      scanf("%d",&month);  
18:      printf("Year:");  
19:      scanf("%d",&year);  
20:      //Get current time stamp  
21:      cts = time(NULL);  
22:      tm = localtime(&cts);  
23:      age_year = (tm->tm_year+YEAR_FACTOR) - year;  
24:      age_month = (tm->tm_mon+MONTH_FACTOR) - month;  
25:      age_day = tm->tm_mday - date;  
26:      printf("Year : %d\tMonth : %d\tDay : %d\n",age_year,age_month,  
27:                                                      age_day);  
28:  }