rprev
void rprev __P((DB *, char **));
"rp", 0, 0, rprev, "rprev", "move cursor back one record (recursive)",
rprev = r;
struct athregrec *rprev;
rprev = NULL;
if (rprev && bcmp(r, rprev, sizeof (*r)) == 0) {
float lprev, rprev, lrel, rrel;
rprev = m->dev->vol.right;
m->dev->name, cp->name, lprev, rprev, v.left, v.right);