C programming

#include #include #include #include int dat,ye,manth; void year(int a,int man) { int i,j,m=0,mon,l,k; for(i=1;i<=a;i++) { if(i==a) printf("\n YEAR %d ",i); for(j=1;j<=12;j++) { if(i%4==0&&j==2) mon=29; else if(j==2) mon=28; else if(j==1||j==3||j==5||j==7||j==8||j==10||j==12) mon=31; else mon=30; if(j==1&&i==a&&j==man) printf("\n\n JANUARY \n"); else if(j==2&&i==a&&j==man) printf("\n\n FEBRUARY \n"); else if(j==3&&i==a&&j==man) printf("\n\n MARCH \n"); else if(j==4&&i==a&&j==man) printf("\n\n APRIL \n"); else if(j==5&&i==a&&j==man) printf("\n\n MAY \n"); else if(j==6&&i==a&&j==man) printf("\n\n JUNE \n"); else if(j==7&&i==a&&j==man) printf("\n\n JULAY \n"); else if(j==8&&i==a&&j==man) printf("\n\n AUGUST \n"); else if(j==9&&i==a&&j==man) printf("\n\n SEPTEMBER \n"); else if(j==10&&i==a&&j==man) printf("\n\n OCTOBER \n"); else if(j==11&&i==a&&j==man) printf("\n\n NOVEMBER \n"); else if(j==12&&i==a&&j==man) printf("\n\n DECEMBER \n"); if(i==a&&j==man) { printf("\n SUN MON TUE WED THU FRI SAT\n"); printf(" "); } for(l=1;l<=m;l++) { if(i==a&&j==man) printf(" "); } for(k=1;k<=mon;k++) { if(i==a&&j==man) { if(i==ye&&j==manth&&k==dat) { textcolor(GREEN); cprintf("%2d ",k); m++; continue; } if(m==5||m==6) { textcolor(RED); cprintf("%2d ",k); } else if(m!=7) { textcolor(WHITE); printf("%2d ",k); } textcolor(WHITE); } m++; if(m==7||m==8) { if(i==a&&j==man) { printf("\n\n"); printf(" "); } m=0; } } } } gotoxy(3,40); // printf("\n\n\n\n\n\n\n\n\n"); printf("\n Next month (ctrl+Right Arrow): "); printf(" Previous month(ctrl+Left Arrow):"); printf("\n\n Next year (ctrl+page Down): "); printf(" Previous year(ctrl+Page Up):"); printf("\n\n Jump to any year (ctrl+D) "); printf("\n\n EXIT Esc:"); // gotoxy(3,50); } void exit() { textcolor(GREEN); clrscr(); gotoxy(20,20); printf(" "); char text[39]={"Thank you for useing this software :"}; for(int ii=0;ii<36;ii++) { delay(100); printf("%c",text[ii]); } printf("\n\n"); printf(" "); char text2[51]={"Created by Md Bellal Hossain:"}; for(ii=0;ii<29;ii++) { delay(100); printf("%c",text2[ii]); } char text3[58]={"Student of CSE Disipline(07 Batch) :"}; printf("\n\n"); printf(" "); for(ii=0;ii<36;ii++) { delay(100); printf("%c",text3[ii]); } printf("\n\n"); printf(" "); char text4[46]={"Khulna University,Khulna"}; for(ii=0;ii<24;ii++) { delay(100); printf("%c",text4[ii]); } printf("\n\n\n\n\n\n"); printf(" "); char text5[32]={"GOOD BYE"}; for(ii=0;ii<8;ii++) { delay(100); printf("%c",text5[ii]); } delay(1000); } int pdate() { gotoxy(5,2); FILE *stream; struct ftime ft; if ((stream = fopen("TEST.$$$","wt")) == NULL) { fprintf(stderr, "Cannot open output file.\n"); return 1; } getftime(fileno(stream), &ft); ye= ft.ft_year+1980; dat=ft.ft_day; manth=ft.ft_month; fclose(stream); gotoxy(5,2); printf("Present Date: %u/%u/%u",ft.ft_day,ft.ft_month, ft.ft_year+1980); if(ft.ft_hour>12) printf(" Opening Time: %u:%u:%uPM\n",ft.ft_hour-12, ft.ft_min, ft.ft_tsec * 2); else if(ft.ft_hour==12) printf(" Opening Time: %u:%u:%uPM\n",ft.ft_hour, ft.ft_min, ft.ft_tsec * 2); else printf(" Opening Time: %u:%u:%uAM\n",ft.ft_hour, ft.ft_min, ft.ft_tsec * 2); // gotoxy(80,50); return 0; } int main(void) { int tt=0,t=0,asci;int y,b; char arr[7]={"WELCOME"}; textcolor(WHITE); textbackground(BLUE); clrscr(); gotoxy(30,25); delay(800); for(int i=0;i<7;i++) { delay(500); printf("%c",arr[i]); } gotoxy(50,45); printf("\n\n ENTER continue: Esc EXIT"); while(tt!=2) { l: char ch=getch(); asci=(int)ch; switch(asci) { case 13: tt=2; break; case 27: tt=2; t=1; break; default: goto l; } } if(t!=1) { clrscr(); FILE *stream; struct ftime ft; if ((stream = fopen("TEST.$$$","wt")) == NULL) { fprintf(stderr, "Cannot open output file.\n"); return 1; } getftime(fileno(stream), &ft); ye=y= ft.ft_year+1980; manth=b=ft.ft_month; dat=ft.ft_day, pdate(); year(y,b); } while(t!=1) { ll: char ch=getch(); asci=(int)ch; switch(asci) { case 118: { clrscr(); y++;b=1; pdate(); year(y,b); } break; case -124: { clrscr(); y--;b=1; pdate(); year(y,b); } break; case 116: { clrscr(); if(b==12) b=1; else b++; pdate(); year(y,b); } break; case 115: { clrscr(); if(b==1) b=12; else b--; pdate(); year(y,b); } break; case 4: { clrscr(); gotoxy(25,25); printf("Enter your desired Year:"); int yr; scanf("%d",&yr); clrscr(); pdate(); b=1;y=yr; year(y,b); } break; case 27: { t=1; break; } default: goto ll; } } exit(); return 0; }