... dates to be searched.#define IYEND 2000int main(void) /* Program badluk */{void flmoon(int n, int nph, long *jd, float *frac);long julday(int mm, int id, int iyyy);int ic,icon,idwk,im,iyyy,n;float ... not very interesting structurally, but it is occasionally useful:#include <math.h>#define IGREG 229 9161 void caldat(long julian, int *mm, int *id, int *iyyy)Inverse of the functionjulday ... representations in most programming languages. You should learnto think about your programming tasks, insofar as possible, exclusively in terms ofthese standard control structures. In writing programs,...