dirname - report the parent directory name of a file pathname
Standard C Library (libc, -lc)
The dirname() function takes a pointer to a character string that contains
a pathname, path, and returns a pointer to a string that is a pathname
of the parent directory of path. Trailing '/' characters in path
are not counted as part of the path.
If path does not contain a '/', then dirname() returns a pointer to the
If path is a null pointer or points to an empty string, dirname() returns
a pointer to the string ".".
The dirname() function returns a pointer to a string that is the parent
directory of path.
+o X/Open Portability Guide Issue 4.2 (``XPG4.2'')
If the length of the result is longer than PATH_MAX bytes (including the
terminating nul), the result will be truncated.
The dirname() function returns a pointer to static storage that may be
overwritten by subsequent calls to dirname(). This is not strictly a
bug; it is explicitly allowed by .
BSD October 16, 2002 BSD
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