ios

Implicit declaration of function ‘instrumentObjcMessageSends‘ is invalid in C99

FIX: add?

extern void instrumentObjcMessageSends(BOOL);

也可以lldb>?call (void)instrumentObjcMessageSends(YES)

_objc_msgForward在进行消息转发的过程中会涉及以下这几个方法：resolveInstanceMethod:方法 (或 resolveClassMethod:)。forwardingTargetForSelector:方法methodSignatureForSelector:方法forwardInvocation:方法doesNotRecognizeSelector: 方法

ios

原文：http://www.cnblogs.com/anjuncc/p/5351489.html