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Getting date data with ease

#include <stdio.h> #include <time.h> void main() {   char *Day[7] = {                    "Sunday"  , "Monday", "Tuesday", "Wednesday",                    "Thursday", "Friday", "Saturday"                  };   char *Month[12] = {                      "January",   "February", "March",    "April",                      "May",       "June",     "July",     "August",                      "September", "October",  "November", "December"                     };   char *Suffix[] = { "st", "nd", "rd", "th" };   int i = 3;                                   struct tm *OurT = NULL;                      time_t Tval = 0;   Tval = time(NULL);   OurT = localtime(&Tval);   switch( OurT->tm_mday )   {     case 1: case 21: case 31:       i= 0;                  /* Select "st" */       break;     case 2: case 22:       i = 1;                 /* Select "nd" */       break;     case 3: case 23:       i = 2;                 /* Select "rd" */       break;     default:       i = 3;                 /* Select "th" */       break;   }   printf("\nToday is %s the %d%s %s %d", Day[OurT->tm_wday],       OurT->tm_mday, Suffix[i], Month[OurT->tm_mon], 1900 + OurT->tm_year);   printf("\nThe time is %d : %d : %d",                                       OurT->tm_hour, OurT->tm_min, OurT->tm_sec ); }