#include <stdio.h>

// Define the enum type:
enum colorEnum {blue, orange, gray};

void forecast (enum colorEnum c)          // Parameter variable declaration.
{
  if (c == blue) {
    printf ("Sunny and warm!\n");
  }
  else if (c == orange) {
    printf ("Enjoy the sunset\n");
  }
  else if (c == gray) {
    printf ("Stay inside\n");
  }
}


int main () 
{
  enum colorEnum skyColorToday = blue;    // Local variable declaration.

  forecast (skyColorToday);
  
  forecast (gray);

  printf ("color = %d\n", orange);        // Prints 1.
}