Display();//the function call }//end of main function voidDisplay() {// Definition of Display printf("Play an outdoor game for better health.\n"); printf("Also remember \"It is practice which makes a man/woman
#include <iostream> using namespace std; void my_func() { cout << "From my_function" << endl; return; } int main() { my_func(); return 0; } Output From my_function A void function can return another void function In this approach, one void function can call another void function...
而 "void" 类型用于表示函数不返回任何值。任何值赋予 "void" 类型时，通常用于强调函数的副作用而非...
问在C中使用const void *参数调用函数EN大家好晚上好，今天给大家分享的是，c++中的const的使用，在...
add;// 标明返回值类型call<void>(func,1,2.0);return0;} 不知道具体类型参数是怎么传给你的？
test.c: In function‘main’: test.c:7:5: error: too many arguments to function‘test2’ test2(1, 2); ^~~~ test.c:3:6: note: declared here void test2(void) { } ^~~~ 也就是说,根本没有检查参数,而不是定义声明的函数的参数不原型(test)虽然GCC将其视为编译时出错,以指定原型功能的...
function doSomething(callback: () => void) { let c = callback() // at this position, callback always returns undefined //c is also of type undefiend } // this function returns a number function aNumberCallback(): number { return 2; } // works type safety is ensured in doSometing...
最近准备考研复习c语言;用vscode编辑c的时候warning:controlreachesendofnon-voidfunction控制到达非void函数的结尾。就是说你的一些本应带有返回值的函数到达结尾后可能并没有返回任何值自己比较粗心把返回值写在for循环里了,比较粗心,检查一下是否每个控制流都会有返回值。希望对你有帮助。
文件2.c: extern FN_GET_VAL gfnPtr; unsigned long myfunc(void) { return 0; } main() { setCallback((void*)myfunc); gfnPtr(); /* Crashing as value was not properly assigned in setCallback function */ } 使用gcc编译时,gfnPtr()在64位suse linux上崩溃。但是它成功调用了gfnPtr()VC6和...
Void functions, also called nonvalue-returning functions, are used just like value-returning functions except void return types do not return a value when the function is executed. The void function accomplishes its task and then returns control to the caller. The void function call is a stand...