The strrchr() function shall locate the last occurrence of c
(converted to a char) in the string pointed to
by s. The terminating null byte is considered to be part of
Upon successful completion, strrchr() shall return a pointer
to the byte or a null pointer if c does not occur in
No errors are defined.
The following sections are informative.
Finding the Base Name of a File
The following example uses strrchr() to get a pointer to the
base name of a file. The strrchr() function searches
backwards through the name of the file to find the last '/'
character in name. This pointer (plus one) will point
to the base name of the file.
strchr() , the Base Definitions volume of IEEE Std 1003.1-2001,
Portions of this text are reprinted and reproduced in electronic form
from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
-- Portable Operating System Interface (POSIX), The Open Group Base
Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of
Electrical and Electronics Engineers, Inc and The Open Group. In the
event of any discrepancy between this version and the original IEEE and
The Open Group Standard, the original IEEE and The Open Group Standard
is the referee document. The original Standard can be obtained online at