#include <sys/stat.h>和#include <sys\stat.h>都对

#include <stdio.h>
#include <time.h>
#include <sys/stat.h>
 
 
int getFileSize1(char str[])
{
	FILE *fp = fopen(str, "rb");
    fseek( fp, 0, SEEK_END );
    int size =  ftell(fp);
	fclose(fp);
 
	return size;
}
 
int getFileSize2(char str[])
{
	FILE *fp = fopen("1.txt", "r");
	struct stat fileStat;
	fstat(fileno(fp), &fileStat);
 
	return fileStat.st_size;
}
 
 
 
int main()
{
	printf("%d\n", getFileSize1("1.txt"));
	printf("%d\n", getFileSize2("1.txt"));
	
	return 0;
}

#include <stdio.h>
#include <time.h>
#include <sys\stat.h>
 
 
int getFileSize1(char str[])
{
	FILE *fp = fopen(str, "rb");
    fseek( fp, 0, SEEK_END );
    int size =  ftell(fp);
	fclose(fp);
 
	return size;
}
 
int getFileSize2(char str[])
{
	FILE *fp = fopen("1.txt", "r");
	struct stat fileStat;
	fstat(fileno(fp), &fileStat);
 
	return fileStat.st_size;
}
 
 
 
int main()
{
	printf("%d\n", getFileSize1("1.txt"));
	printf("%d\n", getFileSize2("1.txt"));
	
	return 0;
}