#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),};