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30 .\" @(#)chdir.2 8.2 (Berkeley) 12/11/93
38 .Nd change current working directory
44 .Fn chdir "const char *path"
50 argument points to the pathname of a directory.
54 causes the named directory
55 to become the current working directory, that is,
56 the starting point for path searches of pathnames not beginning with
63 causes the directory referenced by
65 to become the current working directory,
66 the starting point for path searches of pathnames not beginning with
70 In order for a directory to become the current directory,
71 a process must have execute (search) access to the directory.
73 Upon successful completion, a value of 0 is returned.
74 Otherwise, a value of \-1 is returned and
80 will fail and the current working directory will be unchanged if
81 one or more of the following are true:
84 A component of the path prefix is not a directory.
85 .It Bq Er ENAMETOOLONG
86 A component of a pathname exceeded
88 characters, or an entire path name exceeded
92 The named directory does not exist.
94 Too many symbolic links were encountered in translating the pathname.
96 Search permission is denied for any component of
100 points outside the process's allocated address space.
102 An I/O error occurred while reading from or writing to the file system.
106 will fail and the current working directory will be unchanged if
107 one or more of the following are true:
110 Search permission is denied for the directory referenced by the
113 The file descriptor does not reference a directory.
117 is not a valid file descriptor.
121 references a directory which is not at or below the current process's