usr/lib/system/libsystem_blocks.dylib

__NSMallocBlock__.h

Download __NSMallocBlock__.h

1. NSObject
2. >
3. NSBlock

@interface __NSMallocBlock__ : NSBlock

- (id)retain;
- (unsigned long long)retainCount;
- (BOOL)_tryRetain;
- (BOOL)_isDeallocating;
- (oneway void)release;

@end