#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
int main(int argc, const char* argv[])
{
if(argc < 2)
{
fprintf(stderr, "%s <filename>\n", argv[0]);
exit(1);
}
struct stat buf_st;
int ret = lstat(argv[1], &buf_st);
if(ret == -1)
{
perror("stat");
exit(1);
}
printf("file size = %d\n", (int)buf_st.st_size);
return 0;
}
测试结果