C 달력 소스코드

#include <stdio.h> #include <windows.h>   // 콘솔색상을바꾸기위해서선언   #define leapyear(year) ((year)%4==0 && ( (year)%100!=0 || (year)%400==0 )) //윤년판정매크로   // Console 글씨색상을바꾸는함수 void SetConsoleTextColor(int bgcolor , int color);   int main(void) {     int year, month=0;     int totalday[]={0,31,28,31,30,31,30,31,31,30,31,30,31};     int lastyear, day, i;     FILE * fp = fopen("output5.txt", "wt"); //output5.txt에출력하기위해오픈한다.       printf("몇년의달력을출력하시겠습니까?: ");     scanf("%d",&year);     printf("몇월의달력을출력하시겠습니까?: ");     scanf("%d",&month);     if(month==2 && leapyear(year))  totalday[2]=29;     lastyear = year-1;     {         day = (lastyear+(lastyear/4)-(lastyear/100)+(lastyear/400)+1)%7;         for(i=1;i < month;i++)         {             day+=totalday[i];             day%=7;         }         // console에출력         printf("\n           ");         SetConsoleTextColor(0x0 , 0xe);              // 노란색글씨로바꾼다.         printf("%d년%d월\n",year,month);         SetConsoleTextColor(0x0 , 0xc);              // 빨간색글씨로바꾼다.         printf("\n  일");         SetConsoleTextColor(0x0 , 0xf);              // 흰색글씨로복귀         printf("월화수목금");         SetConsoleTextColor(0x0 , 0x9);              // 파란색글씨로바꾼다.         printf("  토");         SetConsoleTextColor(0x0 , 0xf);              // 흰색글씨로복귀           // 파일에출력         fprintf(fp, "\n           %d년%d월\n",year,month);         fprintf(fp, "\n  일월화수목금토");           for(i=-day; i<totalday[month]; i++)         {             if((i+day)%7 == 0)             {                 printf("\n");                 fprintf(fp, "\n");             }             if(i<0)             {                 printf("    ");                 fprintf(fp, "    ");             }             else             {                 // 토요일일경우에는파란색으로출력한다                 if( (i+day)%7 == 6)   SetConsoleTextColor(0x0 , 0x9);                 // 일요일일경우에는빨간색으로출력한다.                 if( (i+day)%7 == 0)   SetConsoleTextColor(0x0 , 0xc);printf("%4d",i+1);                 // 원래흰색글씨로복귀시킨다.                 SetConsoleTextColor(0x0 , 0xf);                 fprintf(fp, "%4d",i+1);             }         }     }     printf("\n\n");     fprintf(fp, "\n\n");     fclose(fp);     return 0; }     // Console 글씨색상을바꾸는함수 void SetConsoleTextColor(int bgcolor , int color) {     bgcolor &= 0xf;     color      &= 0xf;     SetConsoleTextAttribute( GetStdHandle(STD_OUTPUT_HANDLE) , (bgcolor << 4) | color ); }