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Linux系统调用

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<TITLE>Syscall specifications of Linux - symlink</TITLE>
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<H2><A NAME="SEC30" HREF="syscalls_toc.html#SEC30" tppabs="http://personal.xfol.com/%7erezaie/syscall/syscalls_toc.html#SEC30">symlink</A></H2>
<P>
<H3>SYNOPSIS</H3>
<P>
<CODE>int symlink(const char *<VAR>src</VAR>, const char *<VAR>dest</VAR>);</CODE>
 
<H3>PARAMETERS</H3>
<P>
<VAR>src</VAR>: [in] the new link.
<P>
<VAR>dest</VAR>: [in] the file to point to.
<P>
<H3>DESCRIPTION</H3>
<P>
Creates a symlink form <VAR>src</VAR> to <VAR>dest</VAR>. The destination does not
need to exist at the time of the creation of the link.
<P>
<H3>RETURN VALUE</H3>
<P>
On success, returns zero. On error, returns -1 and sets <CODE>errno</CODE> to
one of the following value:
<P>
<UL>
<LI><CODE>EPERM</CODE>: the file system does not support symlinks.
<LI><CODE>EFAULT</CODE>, <CODE>EACCESS</CODE>, <CODE>ENAMETOOLONG</CODE>, <CODE>ENOENT</CODE>,
<CODE>ENOTDIR</CODE>, <CODE>ENOMEM</CODE>, <CODE>EROFS</CODE>, <CODE>EEXIST</CODE>,
<CODE>ELOOP</CODE>, <CODE>ENOSPC</CODE>.
</UL>
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