C Programming – codewindow.in

#include <stdio.h>

/* This is a global variable declaration */
int global_variable;

/* This is a function prototype */
void my_function(int x, int y);

/* The main function */
int main()
{
    /* This is a local variable declaration */
    int local_variable = 42;

    /* Call my_function */
    my_function(local_variable, global_variable);

    return 0;
}

/* Function definition for my_function */
void my_function(int x, int y)
{
    printf("The value of x is %d\n", x);
    printf("The value of y is %d\n", y);
}

/* Output*/
/* The value of x is 42
   The value of y is 0 */