C語言關於多原始檔的呼叫

圖片

A.c

//
// Created by clou on 2024/4/29.
//
#include <stdio.h>
#include "A.h"

void func() {
    printf("hello world\n");
}

A.h

//
// Created by clou on 2024/4/29.
//

#ifndef MULTIPLE_SOURCE_FILES_A_H
#define MULTIPLE_SOURCE_FILES_A_H

extern void func();

#endif //MULTIPLE_SOURCE_FILES_A_H

B.c

//
// Created by clou on 2024/4/29.
//

#include "A.h"
#include "B.h"

//extern void func(); //如果包含了A.h 該宣告可以省略
void func2() {
    func(); //呼叫A.c 中的函式func
}

B.h

//
// Created by clou on 2024/4/29.
//

#ifndef MULTIPLE_SOURCE_FILES_B_H
#define MULTIPLE_SOURCE_FILES_B_H

extern void func2();

#endif //MULTIPLE_SOURCE_FILES_B_H

main.c

//
// Created by clou on 2024/4/29.
//

#include "B.h"

int main() {
    func2();
    return 0;
}