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objective-C中代码块中的本地变量,__block前缀和static全局变量
2017-04-24 09:13:55 0 1 544
Course Introduction:The usage of typedef is: 1. Typedef basic data types take "aliases". All data types in C language can use typedef to redefine the type name; 2. Typedef takes "aliases" for custom data types. Customized data types include : Structure struct name{ };, Union unit name { };, Enum { }; 3. Typedef takes "alias" for array; 4. Typedef takes "alias" for pointer.
2023-06-07 comment 0 5159