_closedir.c

minux的源代码,一个非常小的操作系统

/*	closedir()					Author: Kees J. Bot
 *								24 Apr 1989
 */
#define nil 0
#include <lib.h>
#define close	_close
#define closedir _closedir
#include <sys/types.h>
#include <dirent.h>
#include <unistd.h>
#include <stdlib.h>
#include <errno.h>

int closedir(DIR *dp)
/* Finish reading a directory. */
{
	int d;

	if (dp == nil) { errno= EBADF; return -1; }

	d= dp->_fd;
	free((void *) dp);
	return close(d);
}