#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){ //等效于：file ==NULL
printf("打开文件成功！");
}else{
printf("打开文件失败！");
}
return 0;
}
printf("打开文件成功！");
}else{
printf("打开文件失败！");
}
return 0;
}
打开方式：
