5
# Call our gcd() function
10
printf("The gcd of %d and %d is %d\n",x,y,g);
12
# Manipulate the Foo global variable
14
# Output its current value
15
printf("Foo = %f\n", example.cvar.Foo);
18
example.cvar.Foo = 3.1415926;
20
# See if the change took effect
21
printf("Foo = %f\n", example.cvar.Foo);