CHDIR.2
资源名称:os_source.zip [点击查看]
上传用户:datang2001
上传日期:2007-02-01
资源大小:53269k
文件大小:2k
源码类别:
操作系统开发
开发平台:
C/C++
- ." Copyright (c) 1980 Regents of the University of California.
- ." All rights reserved. The Berkeley software License Agreement
- ." specifies the terms and conditions for redistribution.
- ."
- ." @(#)chdir.2 6.3 (Berkeley) 8/26/85
- ."
- .TH CHDIR 2 "August 26, 1985"
- .UC 4
- .SH NAME
- chdir - change current working directory
- .SH SYNOPSIS
- .nf
- .ft B
- #include <unistd.h>
- int chdir(const char *fIpathfP)
- .ft R
- .fi
- .SH DESCRIPTION
- .I Path
- is the pathname of a directory.
- .B Chdir
- causes this directory
- to become the current working directory,
- the starting point for path names not beginning with ``/''.
- .PP
- In order for a directory to become the current directory,
- a process must have execute (search) access to the directory.
- .SH "RETURN VALUE
- Upon successful completion, a value of 0 is returned.
- Otherwise, a value of -1 is returned and fBerrnofP is set to indicate
- the error.
- .SH ERRORS
- .B Chdir
- will fail and the current working directory will be unchanged if
- one or more of the following are true:
- .TP 15
- [ENOTDIR]
- A component of the path prefix is not a directory.
- .TP 15
- [ENAMETOOLONG]
- The path name exceeds PATH_MAX characters.
- .TP 15
- [ENOENT]
- The named directory does not exist.
- .TP 15
- [ELOOP]
- Too many symbolic links were encountered in translating the pathname.
- (Minix-vmd)
- .TP 15
- [EACCES]
- Search permission is denied for any component of
- the path name.
- .TP 15
- [EFAULT]
- .I Path
- points outside the process's allocated address space.
- .TP 15
- [EIO]
- An I/O error occurred while reading from or writing to the file system.
- .SH "SEE ALSO"
- .BR chroot (2).