存储类定义C程序中变量和/或函数的范围(可见性)和生命周期。它们位于它们修改的类型之前。我们在C程序中有四种不同的存储变量 自动 ·寄存器 静态的 ·外部 自动存储类 该自动存储类是所有局部变量的默认存储类。 { int mount; autoint month; } 上面的示例在同一存储类中定义了两个变量。'auto'只能在函数中使...
function-specifier declaration-specifiersopt alignment-specifier declaration-specifiersopt 声明指示 包含 存储指定 (storage-class) 类型指定(type specifier ) 类型修饰(type qualifier) 函数指定(function specifier) 对齐指定 (alignment specifier) storage class 符号: static auto register _Thread_local extern typede...
C语言有6个关键字作为存储类别说明符:auto、register、static、extern、_Thread_local和typedef。 auto表示变量是自动生存期,只能用于块作用域的变量声明中,在块中声明的变量本身就具有自动存储期,使用auto主要是为了明确表达要使用与外部变量同名的局部变量的意图 register说明符也只用于块作用域的变量,把变量归为寄存器...
函数定义function definition: return_type function_name ( parameter list ) { Body of function; }//函数体内先是变量的声明,然后是语句;这就样平时看到的主函数一样,先有变量,再有语句 函数调用function call: function_name ( arguments list ); 函数原型:函数原型也叫函数声明,还叫引用说明,函数声明由函数...
auto double int struct break else long switch case enum register typedef char extern return union const float short unsigned for signed void default goto sizeof volatile do if static while continue 3. 标识符 identifier : nodigit identifier nodigit ...
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}; ... }; int main() { auto val = settings::bit1; switch (val) { case settings::bit0: break; case settings::bit1: break; case settings::bit0 | settings::bit1: // warning C4063 break; } }; Example of C4063 (after) C++ Copy class settings { ... }; // as above ...
ClfsMgmtPolicyAutoShrink structure (Windows) CD3D11_QUERY_DESC class (Windows) CD3D11_TEXTURE3D_DESC class (Windows) File element (Windows) CD3D11_DEPTH_STENCIL_VIEW_DESC class (Windows) IDCompositionScaleTransform3D::SetCenterX methods (Windows) mul (sm4 - asm) (Windows) MathBuildDown funct...