Question

如何用C语言获取文件的大小

Answer 1

两种方法：
1、用stat()函数来获取

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int main()
{
struct stat st ;
stat( "file.txt", &st );
printf(" file size = %d\n", st.st_size);
return 0;
}

2、用ftell()函数来获取

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int main()
{
FILE *fp;
fp=fopen( "file.txt", "r");
fseek(fp, 0L, SEEK_END );
printf(" file size = %d\n", ftell(fp) );
return 0;