// Example 1.6 // SAMPLE PROGRAM 4: USE OF SUBROUTINES //Program using function function []=mul(a,b) // mul()function starts (i.e.definition starts) y=a*b; printf("Multiplication of %d and %d is %d",a,b,y); endfunction // mul()function ends a=5;b=10; //Calling mul() function mul(a,b)