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30 .\" @(#)mkdir.2 8.2 (Berkeley) 12/11/93
37 .Nd make a directory file
43 .Fn mkdir "const char *path" "mode_t mode"
47 is created with the access permissions specified by
51 of the calling process.
53 The directory's owner ID is set to the process's effective user ID.
54 The directory's group ID is set to that of the parent directory in
57 A 0 return value indicates success.
58 A \-1 return value indicates an error, and an error code is stored in
62 will fail and no directory will be created if:
65 A component of the path prefix is not a directory.
66 .It Bq Er ENAMETOOLONG
67 A component of a pathname exceeded
69 characters, or an entire path name exceeded
73 A component of the path prefix does not exist.
75 Search permission is denied for a component of the path prefix.
77 Too many symbolic links were encountered in translating the pathname.
79 The named file resides on a read-only file system.
81 The named file exists.
83 The new directory cannot be created because there is no space left
84 on the file system that will contain the directory.
86 There are no free inodes on the file system on which the
87 directory is being created.
89 The new directory cannot be created because the user's
90 quota of disk blocks on the file system that will
91 contain the directory has been exhausted.
93 The user's quota of inodes on the file system on
94 which the directory is being created has been exhausted.
96 An I/O error occurred while making the directory entry or allocating the inode.
98 An I/O error occurred while reading from or writing to the file system.
101 points outside the process's allocated address space.