CHDIR(2) 1989 CHDIR(2) NNAAMMEE chdir, fchdir - change current working directory SSYYNNOOPPSSIISS cchhddiirr((ppaatthh)) cchhaarr **ppaatthh;; ffcchhddiirr((ffdd)) iinntt ffdd;; DDEESSCCRRIIPPTTIIOONN _P_a_t_h is the pathname of a directory. _C_h_d_i_r causes this directory to become the current working directory, the starting point for path names not beginning with ``/''. _F_c_h_d_i_r causes the directory referenced by _f_d to become the current working directory, the starting point for path names not beginning with ``/''. In order for a directory to become the current directory, a process must have execute (search) access to the directory. RREETTUURRNN VVAALLUUEE Upon successful completion, a value of 0 is returned. Oth- erwise, a value of -1 is returned and _e_r_r_n_o is set to indi- cate the error. EERRRROORRSS _C_h_d_i_r will fail and the current working directory will be unchanged if one or more of the following are true: [ENOTDIR] A component of the path prefix is not a directory. [EINVAL] The pathname contains a character with the high-order bit set. [ENAMETOOLONG] A component of a pathname exceeded 255 char- acters, or an entire path name exceeded 1023 characters. [ENOENT] The named directory does not exist. [ELOOP] Too many symbolic links were encountered in translating the pathname. [EACCES] Search permission is denied for any component of the path name. [EFAULT] _P_a_t_h points outside the process's allocated address space. Printed 7/27/90 June 1 CHDIR(2) 1989 CHDIR(2) [EIO] An I/O error occurred while reading from or writing to the file system. _F_c_h_d_i_r will fail and the current working directory will be unchanged if one or more of the following are true: [ENOTDIR] The file descriptor does not reference a directory. EBADF _f_d is not a valid open file descriptor. SSEEEE AALLSSOO chroot(2) Printed 7/27/90 June 2