The Open Group Base Specifications Issue 6
IEEE Std 1003.1, 2004 Edition
Copyright © 2001-2004 The IEEE and The Open Group, All Rights reserved.

#### NAME

> memchr - find byte in memory

#### SYNOPSIS

> ``#include <string.h>
> void *memchr(const void *`s`, int` c`, size_t` n`);
> ``

#### DESCRIPTION

> [CX] The functionality described on this reference page is aligned with the ISO C standard. Any conflict between the requirements described here and the ISO C standard is unintentional. This volume of IEEE Std 1003.1-2001 defers to the ISO C standard.

> 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.

#### RETURN VALUE

> The memchr() function shall return a pointer to the located byte, or a null pointer if the byte does not occur in the object.

#### ERRORS

> No errors are defined.

The following sections are informative.

#### EXAMPLES

> None.

#### APPLICATION USAGE

> None.

#### RATIONALE

> None.

#### FUTURE DIRECTIONS

> None.

#### SEE ALSO

> The Base Definitions volume of IEEE Std 1003.1-2001, <string.h>

#### CHANGE HISTORY

> First released in Issue 1. Derived from Issue 1 of the SVID.

End of informative text.

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