Decodificador- em c

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

/*int argc, char *argv[]*/

void Decimal_para_binario(int saida)
{
int a=saida;
char b[32];

itoa(a,b,2);
printf("%s\n",b);
getch();
}

void decodificadorPrintf(int *control)
{  int saida=1;
    int controlS = 16*control[0]+8*control[1]+4*control[2]+2*control[3]+control[4];
    saida = saida << controlS;
   // printf("%d\n",saida);
   Decimal_para_binario(saida);

}
int decodificador()
{
    return 0;
}

int main(void)
{
    int control[5];
    int i,j,k,w,q;
    printf("\n*** CECI *** \n");

    for(i=0;i<2;i++)
    {
        for ( j = 0; j < 2; j++)
        {
            for ( k = 0; k < 2; k++)
            {
                for ( w = 0; w < 2; w++)
                {
                    for ( q = 0; q < 2; q++)
                    {
                        control[0] = i; control[1] = j;
                        control[2] = k; control[3] = w;
                        control[4] = q;
                        //system("PAUSE");
                       // printf("RAI- %d%d%d%d%d\n",control[0],control[1],control[2],control[3],control[4]);
                        decodificadorPrintf(control);
                       // printf("%d%d%d%d%d\n",i,j,k,w,q);

                    }
                }
            }
        }
    }

        /*if(strcmp(control,"00000") == 0)
        {
           printf("SAIDA 00000000000000000000000000000001\n");
        } */

    return 0;
}