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+.\" Copyright (c) 2001-2003 The Open Group, All Rights Reserved 
+.TH "BASENAME" P 2003 "IEEE/The Open Group" "POSIX Programmer's Manual"
+.\" basename 
+.SH NAME
+basename \- return the last component of a pathname
+.SH SYNOPSIS
+.LP
+\fB#include <libgen.h>
+.br
+.sp
+char *basename(char *\fP\fIpath\fP\fB); \fP
+\fB
+.br
+\fP
+.SH DESCRIPTION
+.LP
+The \fIbasename\fP() function shall take the pathname pointed to by
+\fIpath\fP and return a pointer to the final component of
+the pathname, deleting any trailing \fB'/'\fP characters.
+.LP
+If the string consists entirely of the \fB'/'\fP character, \fIbasename\fP()
+shall return a pointer to the string
+\fB"/"\fP . If the string is exactly \fB"//"\fP , it is implementation-defined
+whether \fB'/'\fP or \fB"//"\fP is
+returned.
+.LP
+If \fIpath\fP is a null pointer or points to an empty string, \fIbasename\fP()
+shall return a pointer to the string
+\fB"."\fP .
+.LP
+The \fIbasename\fP() function may modify the string pointed to by
+\fIpath\fP, and may return a pointer to static storage that
+may then be overwritten by a subsequent call to \fIbasename\fP().
+.LP
+The \fIbasename\fP() function need not be reentrant. A function that
+is not required to be reentrant is not required to be
+thread-safe.
+.SH RETURN VALUE
+.LP
+The \fIbasename\fP() function shall return a pointer to the final
+component of \fIpath\fP.
+.SH ERRORS
+.LP
+No errors are defined.
+.LP
+\fIThe following sections are informative.\fP
+.SH EXAMPLES
+.SS Using basename()
+.LP
+The following program fragment returns a pointer to the value \fIlib\fP,
+which is the base name of \fB/usr/lib\fP.
+.sp
+.RS
+.nf
+
+\fB#include <libgen.h>
+\&...
+char *name = "/usr/lib";
+char *base;
+.sp
+
+base = basename(name);
+\&...
+\fP
+.fi
+.RE
+.SS Sample Input and Output Strings for basename()
+.LP
+In the following table, the input string is the value pointed to by
+\fIpath\fP, and the output string is the return value of
+the \fIbasename\fP() function.
+.TS C
+center; l l.
+\fBInput String\fP	\fBOutput String\fP
+"/usr/lib"	"lib"
+"/usr/"	"usr"
+"/"	"/"
+"///"	"/"
+"//usr//lib//"	"lib"
+.TE
+.SH APPLICATION USAGE
+.LP
+None.
+.SH RATIONALE
+.LP
+None.
+.SH FUTURE DIRECTIONS
+.LP
+None.
+.SH SEE ALSO
+.LP
+\fIdirname\fP() , the Base Definitions volume of IEEE\ Std\ 1003.1-2001,
+\fI<libgen.h>\fP, the Shell and Utilities volume of IEEE\ Std\ 1003.1-2001,
+\fIbasename\fP
+.SH COPYRIGHT
+Portions of this text are reprinted and reproduced in electronic form
+from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
+-- Portable Operating System Interface (POSIX), The Open Group Base
+Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of
+Electrical and Electronics Engineers, Inc and The Open Group. In the
+event of any discrepancy between this version and the original IEEE and
+The Open Group Standard, the original IEEE and The Open Group Standard
+is the referee document. The original Standard can be obtained online at
+http://www.opengroup.org/unix/online.html .