Menggambar kotak

#include <stdio.h> 
#include <conio.h>

int main(void) {

     int panjang,lebar,baris,kolom,i;

     char c;

        printf("   --menggambar kotak--\n\n");
        printf("  masukkan karakter: ");
           scanf("%c", &c);
        printf("  panjang: ");
           scanf("%d", &panjang);
        printf("  lebar: ");
           scanf("%d", &lebar);
        printf("\n\n");


for(i=1; i<=lebar; i++) {
          if (i== 1 || i==lebar) {
          printf("    ");
             for (baris=1; baris<=panjang; baris++)
               printf("%c", c);
             printf("\n"); }

          else {
            printf("    ");
            printf("%c", c);
              for (kolom=1; kolom<=(panjang-2); kolom++)
                  printf(" ");

            printf("%c\n", c);
            }
         }
     getch();
     return 0;

}