backward
backward((int)number, 0, 1);
backward((int)number, 0, 0);
backward((int)number, 1, 0);
backward(wscroll, 0, 0);
void backward(int, int, int);
int s, backward;
backward = n < 0;
if (backward)
s = backward ? backsrch() : forwsrch();
if (backward)
#define ARG(units, forward, backward) { \
style = (backward); \