day_mon1.c

c primer plus 第五版 的源代码

/* day_mon1.c -- prints the days for each month */
#include <stdio.h>
#define MONTHS 12

int main(void)
{
    int days[MONTHS] = {31,28,31,30,31,30,31,31,30,31,30,31};
    int index;

    for (index = 0; index < MONTHS; index++)
        printf("Month %d has %2d days.\n", index +1,
               days[index]);
  
    return 0;
}