help to new C programmer with time.h

[EVENSONG]

I am delving into learning C programming this week, and I was in the process
of converting one of my old basic programs over to C, and got to noting that
instead of input day and month directly, I could take it directly off of the
system clock.  But, I can not seem to get it to work.  Here is one of 
multiple combinations that I tried:

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#include "stdio.h"
#include "time.h"

main()
{
  struct tm tt;
  time_t lt;
  int d, m;

  time(&lt);
  d = tt.tm_mday;
  m = tt.tm_mon;

  printf("Day %d Month %d\n", d, m);
}
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swood
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