BASENAME(3) BSD Programmer's Manual BASENAME(3)
basename - extract the base portion of a pathname
#include <libgen.h>
char *
basename(const char *path);
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 re-
turned. If path is a null pointer or the empty string, a pointer to the
string "." is returned.
On successful completion, basename() returns a pointer to the last com-
ponent of path.
If basename() fails, a null pointer is returned and the global variable
errno is set to indicate the error.
The following error codes may be set in errno:
[ENAMETOOLONG]
The path component to be returned was larger than
MAXPATHLEN.
basename() returns a pointer to internal static storage space that will
be overwritten by subsequent calls.
basename(1), dirname(1), dirname(3)
The basename() function conforms to X/Open Portability Guide Issue 4.2
("XPG4.2").
The basename() function first appeared in OpenBSD 2.2.
Todd C. Miller
MirOS BSD #10-current August 17, 1997 1
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