Recordando C

gistfile1.c

#include <stdio.h>

#define PIN1 128
#define PIN2 129
#define PIN3 254
#define PIN4 255

int canal_a[2] = {PIN1, PIN2};
int canal_b[2] = {PIN3, PIN4};

void forward(int canal[]){
    printf("(%d, %d)", canal[0], canal[1]);
    //output_high(canal[0]);
    //output_low(canal[1]);
}

void main()
{
    forward(canal_a);
    forward(canal_b);

    return;
}