123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354 |
- <html>
- <head>
- <title>__getcwd</title>
- <body bgcolor=#ffffff>
- <h2 align=center>__getcwd</h2>
- <h4 align=center>OS/161 Reference Manual</h4>
- <h3>Name</h3>
- __getcwd - get name of current working directory (backend)
- <h3>Library</h3>
- Standard C Library (libc, -lc)
- <h3>Synopsis</h3>
- #include <unistd.h><br>
- <br>
- int<br>
- __getcwd(char *<em>buf</em>, size_t <em>buflen</em>);
- <h3>Description</h3>
- The name of the current directory is computed and stored in
- <em>buf</em>, an area of size <em>buflen</em>. The length of data
- actually stored, which must be non-negative, is returned.
- <p>
- Note: this call behaves like <A HREF=read.html>read</A> - the name
- stored in <em>buf</em> is not 0-terminated.
- <p>
- This function is not meant to be called except by the C library;
- application programmers should use <A HREF=../libc/getcwd.html>getcwd</A>
- instead.
- <h3>Return Values</h3>
- On success, __getcwd returns the length of the data returned.
- 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>ENOENT</td> <td>A component of the pathname no longer exists.</td></tr>
- <tr><td>EIO</td> <td>A hard I/O error occurred.</td></tr>
- <tr><td>EFAULT</td> <td><em>buf</em> points to an invalid address.</td></tr>
- </table></blockquote>
- </body>
- </html>
|