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#include <fcnt1.h>
#include <stdio.h>
#include <stdlib.h>
int main(int argc,char *argv[])
{
int fd_open,fd_open_create,fd_create;
if((fd_open=open("/home/wang/test/hello.c",O_RDONLY))==-1)
{
perror("open");
exit(EXIT_FAILURE);
}
printf("the file's descriptor is:%d\n",fd_open);
if((fd_open_create==open("./tmp1",O_CREAT|O_EXCL,0644))==-1)
{
perrno("open");
exit(EXIT_FAILURE);
}
printf("the tmp1 file descriptor is:%d\n",fd_open_create);
if((fd_create=creat("./tem2",0644))==-1)
{
perrno("create");
exit(EXIT_FAILURE);
}
printf("the tmp2 file descriptor is:%d\n",fd_create);
close(fd_open);
close(fd_create);
close(fd_open_create);
return 0;
}
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wangjun@my-desktop:~/test$ gcc -ggdb3 -o open_example open_example.c
open_example.c:1:19: ´íÎó£º fcnt1.h£ºÃ»ÓиÃÎļþ»òĿ¼
open_example.c: ÔÚº¯Êý¡®main¡¯ÖÐ:
open_example.c:8:
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