#include<stdio.h>
int main(void)
{
FILE*file;
file = fopen("C:\\test","r");
int main(void)
{
FILE*file;
file = fopen("C:\\test","r");
if(!file){ //等效於：file ==NULL
printf("打開文件成功！");
}else{
printf("打開文件失敗！");
}
return 0;
}
printf("打開文件成功！");
}else{
printf("打開文件失敗！");
}
return 0;
}
打開方式：
