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<head>
<title>cleanname(3) - Plan 9 from User Space</title>
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<tr><td width=20><td><b>CLEANNAME(3)</b><td align=right><b>CLEANNAME(3)</b>
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<p><font size=+1><b>NAME </b></font><br>
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cleanname – clean a path name<br>
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<p><font size=+1><b>SYNOPSIS </b></font><br>
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<tt><font size=+1>#include <u.h><br>
#include <libc.h><br>
char* cleanname(char *filename)<br>
</font></tt>
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<p><font size=+1><b>DESCRIPTION </b></font><br>
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<i>Cleanname</i> takes a <i>filename</i> and by lexical processing only returns
the shortest string that names the same (possibly hypothetical)
file. It eliminates multiple and trailing slashes, and it lexically
interprets <tt><font size=+1>.</font></tt> and <tt><font size=+1>..</font></tt> directory components in the name. The string
is overwritten in place.
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The shortest string <i>cleanname</i> can return is two bytes: the null-terminated
string <tt><font size=+1>"."</font></tt>. Therefore <i>filename</i> must contain room for at least two
bytes.<br>
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<p><font size=+1><b>SOURCE </b></font><br>
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<tt><font size=+1>/usr/local/plan9/src/lib9/cleanname.c<br>
</font></tt>
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<p><font size=+1><b>SEE ALSO </b></font><br>
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<a href="../man1/cleanname.html"><i>cleanname</i>(1)</a><br>
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