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- <html>
- <head>
- <title>mkdir</title>
- <body bgcolor=#ffffff>
- <h2 align=center>mkdir</h2>
- <h4 align=center>OS/161 Reference Manual</h4>
- <h3>Name</h3>
- mkdir - create directory
- <h3>Library</h3>
- Standard C Library (libc, -lc)
- <h3>Synopsis</h3>
- #include <sys/stat.h><br>
- <br>
- int<br>
- mkdir(const char *<em>pathname</em>, int <em>mode</em>);
- <h3>Description</h3>
- mkdir creates a directory named <em>name</em>, where <em>name</em> is
- the last filename component in <em>pathname</em>. All the directories
- named in the prefix portion of <em>pathname</em> must exist and must
- in fact be directories, not ordinary files. The name <em>name</em>
- must not already exist. The new directory must be created atomically.
- <p>
- The <em>mode</em> argument can be ignored in OS/161.
- <p>
- <h3>Return Values</h3>
- On success, mkdir returns 0. On error, -1 is returned, and
- <A HREF=errno.html>errno</A> is set according to the error
- encountered.
- <h3>Errors</h3>
- The following error codes should be returned under the conditions
- given. Other error codes may be returned for other errors not
- mentioned here.
- <blockquote><table width=90%>
- <td width=10%> </td><td> </td></tr>
- <tr><td>ENODEV</td> <td>The device prefix of <em>pathname</em> did
- not exist.</td></tr>
- <tr><td>ENOTDIR</td> <td>A non-final component of <em>pathname</em>
- was not a directory.</td></tr>
- <tr><td>ENOENT</td> <td>A non-final component of <em>pathname</em>
- did not exist.</td></tr>
- <tr><td>EEXIST</td> <td>An object by the name <em>pathname</em>
- already exists.</td></tr>
- <tr><td>ENOSPC</td> <td>The filesystem the directory was to be
- created on is full.</td></tr>
- <tr><td>EIO</td> <td>A hard I/O error occurred.</td></tr>
- <tr><td>EFAULT</td> <td><em>pathname</em> was an invalid pointer.</td></tr>
- </table></blockquote>
- </body>
- </html>
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