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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