print_class
int print_if, print_class, print_fltr, len;
print_if = print_class = print_fltr = 1;
print_if = print_class = print_fltr = 0;
print_class = 1;
if (!print_class && !print_fltr)
if (print_class) {
print_class(" : class", r->dev_class);
static void print_class(const char *, uint8_t *);
print_class("\tclass:", buf);