/* 范例：9-25 */
#include <stdio.h>
#include <io.h>
#include <fcntl.h>
#include <stdlib.h>
void gg(int a,int ret)
{
char *msg[]={"File Exist","Excute","Allow Write", \
"","Allow Read","","Read & Write"};
if(ret==0)
printf("%12s : Yes!\n",msg[a]);
if(ret==-1)
printf("%12s : No!\n",msg[a]);
}
void main(int argc,char *argv[])
{
int handle;
int i,ret;
if((handle=open(argv[1],O_RDONLY))==NULL)
{
printf("文件打开错误!\n");
exit(1);
}
printf("FileName: %s\tSize:%d bytes.\n", argv[1], \ filelength(handle));
for(i=0;i<7;i++)
{
if((i!=3)&&(i!=5))
gg(i,access(argv[1],i));
}
close(handle);
}
程序输出结果：(假设r.txt为一个只读文件，取得文件信息如下)
D:\TC>p9-25 r.txt
FileName: r.txt Size:14 bytes.
File Exist : Yes!
Excute : Yes!
Allow Write : No!
Allow Read : Yes!
Read & Write : No!
