NAME
basename —
extract the base portion of a
pathname
LIBRARY
library “libc”
SYNOPSIS
#include
<libgen.h>
char *
basename(const
char *path);
DESCRIPTION
Thebasename()
function returns the last component from the pathname pointed to by
path, deleting any trailing ‘/’
characters. If path consists 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.
RETURN VALUES
On successful completion, basename()
returns a pointer to the last component 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.
WARNINGS
The
basename()
function returns a pointer to internal static storage space that will be
overwritten by subsequent calls.
SEE ALSO
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>