program:
#include<stdio.h>
int subtract ()
{
int subtract, a, b;
printf("Enter The First Number: ");
scanf(" %d", &a);
printf("Enter The Second Number: ");
scanf(" %d", &b);
subtract = a-b;
printf("subtract=%d",subtract );
}
int main()
{
subtract ();
return 0;
}
output
: