void add_t2ca(CFMutableDictionaryRef t2ca, CFStringRef t, CFStringRef a) {
CFMutableSetRef ca = (CFMutableSetRef)CFDictionaryGetValue(t2ca, t);
if (!ca) {
void add_t2ca(CFMutableDictionaryRef t2ca, CFStringRef t, CFStringRef a) {
CFMutableSetRef ca = (CFMutableSetRef)CFDictionaryGetValue(t2ca, t);
if (!ca) {