简单的API应用

#include<stdio.h>
#include<string.h>
#include<windows.h>
void copyself()
{
    char selfpath[MAX_PATH]{0};
    char windowspath[MAX_PATH]{0};
    char systempath[MAX_PATH]{0};
    char tmppath[MAX_PATH]{0};
    GetModuleFileName(NULL,selfpath,MAX_PATH);  //获取自身程序路径；
    printf("self path is %s\n",selfpath);
    GetWindowsDirectory(windowspath,MAX_PATH);  //获取windows路径；
    printf("windows path is %s\n",windowspath);
    GetSystemDirectory(systempath,MAX_PATH); // 获取系统路径；
    printf("system path is %s\n",systempath);
    strcat(windowspath,"\\test.exe");
    strcat(systempath,"\\test.exe");
    CopyFile(selfpath,windowspath,true); //复制自身到windows路径；
    CopyFile(selfpath,systempath,true);  //复制自身到系统路径；
    return ;
}

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