recursive_decimal_to_hexadecimal.c

//Recursive function

#include <stdio.h>
#include <stdlib.h>

int arg;
int newVar;
int modulus[10];
int i=0;
void recusiveMain(arg){
    if(arg<=0){
        return 1;
    }else {
    modulus[i] = arg % 16;
    //printf("%d \n",modulus[i]);
    arg = arg / 16;
    i++;
    }
     recusiveMain(arg);
    }
void recusiveOutput(arg){
  switch(modulus[arg])
  {
    case 10:
    printf("A");
    break;
    case 11:
    printf("B");
    break;
    case 12:
    printf("C");
    break;
    case 13:
    printf("D");
    break;
    case 14:
    printf("E");
    break;
    case 15:
    printf("F");
    break;
    default:
      printf("%d",modulus[arg]);
  }
  //printf("%d",modulus[arg]);
  if(arg <= 0){
    return 1;
  }
  recusiveOutput(arg - 1);
}
int main()
{   int n=0;
    printf("Insert you Decimal Number: ");
    scanf("%d",&n);
    if(n<0){
        n = -1*(n);
    }
    recusiveMain(n);
    recusiveOutput(i-1);
    return 0;
}