iOS Implicit declaration of function '' is invalid in C99...
编译驱动,报错:implicit declaration of function “copy_form_user”, &n... iOS “_OBJC_CLASS_$_***“, referenced from: objc-class-ref in QRCodeDis 在开发过程中我们经常引入第三方库,同时就会出现"_OBJC_CLASS_$_TCGenerateCode", referenced from: objc-class-ref in ***这个问题。 网上有很...