basename man page on PC-BSD

basename man page on PC-BSD

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BASENAME(3)		 BSD Library Functions Manual		   BASENAME(3)

NAME
     basename — extract the base portion of a pathname

SYNOPSIS
     #include <libgen.h>

     char *
     basename(const char *path);

DESCRIPTION
     The basename() function returns the last component from the pathname
     pointed to by path, deleting any trailing ‘/’ characters.	If path con‐
     sists entirely of ‘/’ characters, a pointer to the string "/" is
     returned.	If path is a null pointer or the empty string, a pointer to
     the string "." is returned.

IMPLEMENTATION NOTES
     The basename() function returns a pointer to internal storage space allo‐
     cated on the first call that will be overwritten by subsequent calls.

RETURN VALUES
     On successful completion, basename() returns a pointer to the last compo‐
     nent of path.

     If basename() fails, a null pointer is returned and the global variable
     errno is set to indicate the error.

ERRORS
     The following error codes may be set in errno:

     [ENAMETOOLONG]	The path component to be returned was larger than
			MAXPATHLEN.

SEE ALSO
     basename(1), dirname(1), dirname(3)

STANDARDS
     The basename() function conforms to X/Open Portability Guide Issue 4,
     Version 2 (“XPG4.2”).

HISTORY
     The basename() function first appeared in OpenBSD 2.2 and FreeBSD 4.2.

AUTHORS
     Todd C. Miller ⟨Todd.Miller@courtesan.com⟩

BSD			       October 12, 2006				   BSD

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