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C ++에서 정방향 선언이란 무엇입니까?
: http://www.learncpp.com/cpp-tutorial/19-header-files/ 다음이 언급됩니다 : add.cpp : int add(int x, int y) { return x + y; } main.cpp : #include <iostream> int add(int x, int y); // forward declaration using function prototype int main() { using namespace std; cout << "The sum of 3 and 4 is " << …