/* ====================================================================
   Operation of the C compiler:
	integer typed parameters are passed as "int"  
	float   typed parameters are passed as "double"

        return type is int  by default
   ==================================================================== */
#include <stdio.h>

int main(int argc, char *argv[])
{
   char  a = 3;
   short b = 4;
   int   c = 0;

   c = squareSum( a, b ); // Will convert a, b to int and pass them

   printf("%d\n", c);
}

int squareSum( int x, int y )                  
{
   return ( x*x + y*y ); 
}