ObjFW  Diff

typedef struct objc_class *Class;
typedef struct objc_object *id;
typedef const struct objc_selector *SEL;
#if !defined(__wii__) && !defined(__amigaos__)
typedef bool BOOL;
#endif
typedef id _Nullable (*IMP)(id _Nonnull, SEL _Nonnull, ...);
typedef void (*objc_uncaught_exception_handler)(id _Nullable);
typedef void (*objc_enumeration_mutation_handler)(id _Nonnull);
typedef void (*objc_uncaught_exception_handler_t)(id _Nullable);
typedef void (*objc_enumeration_mutation_handler_t)(id _Nonnull);

struct objc_class {
	Class _Nonnull isa;
	Class _Nullable superclass;
	const char *_Nonnull name;
	unsigned long version;
	unsigned long info;

extern const char *_Nullable object_getClassName(id _Nullable object);
extern const char *_Nonnull protocol_getName(Protocol *_Nonnull protocol);
extern bool protocol_isEqual(Protocol *_Nonnull protocol1,
    Protocol *_Nonnull protocol2);
extern bool protocol_conformsToProtocol(Protocol *_Nonnull protocol1,
    Protocol *_Nonnull protocol2);
extern void objc_exit(void);
extern _Nullable objc_uncaught_exception_handler
extern _Nullable objc_uncaught_exception_handler_t
    objc_setUncaughtExceptionHandler(
    objc_uncaught_exception_handler _Nullable handler);
    objc_uncaught_exception_handler_t _Nullable handler);
extern void objc_setForwardHandler(IMP _Nullable forward,
    IMP _Nullable stretForward);
extern void objc_setEnumerationMutationHandler(
    objc_enumeration_mutation_handler _Nullable handler);
    objc_enumeration_mutation_handler_t _Nullable handler);
extern void objc_zero_weak_references(id _Nonnull value);

/*
 * Used by the compiler, but can also be called manually.
 *
 * These declarations are also required to prevent Clang's implicit
 * declarations which include __declspec(dllimport) on Windows.