[Dave Scheck]

Originally Posted by PVC Pirates

I included user_common.h in user_routines.c, but I didn't know I needed to or should include it in user_routines.h.

That's because I mistyped...I meant to say user_routines_fast.c...you shouldn't include user_common.h in user_routines.h...

Please tell me more about the typecasting of printf.

Eugene Brooks had a good explanation in this thread about casting variables and printf.

Originally Posted by eugenebrooks

The default way in which arguments are pushed, for routines
that do not have their arguments declared, is char.

He gives an example of how to perform the casting right above that explaination

Originally Posted by eugenebrooks

Explicitly cast the integer arguments being provided to printf
to the desired type. If x is an int, y is a int, and z is a long,
use: printf("%d %d %lx\n", (int)x, (int)y, (long)z);