#include <time.h>

/* days per month -- nonleap! */
const short __spm[12] =
  { 0,
    (31),
    (31+28),
    (31+28+31),
    (31+28+31+30),
    (31+28+31+30+31),
    (31+28+31+30+31+30),
    (31+28+31+30+31+30+31),
    (31+28+31+30+31+30+31+31),
    (31+28+31+30+31+30+31+31+30),
    (31+28+31+30+31+30+31+31+30+31),
    (31+28+31+30+31+30+31+31+30+31+30),
  };