The memchr() function shall locate the first occurrence of c
(converted to an unsigned char) in the initial
n bytes (each interpreted as unsigned char) of the object
pointed to by s.
The memchr() function shall return a pointer to the located
byte, or a null pointer if the byte does not occur in the
No errors are defined.
The following sections are informative.
The Base Definitions volume of IEEE Std 1003.1-2001, <string.h>
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