---------- Add the following new section for memmem(): ---------

NAME

    memmem - find a byte substring in a byte string

SYNOPSIS

    [CX]
    #include <string.h>

    void *memmem(const void *haystack, size_t haystacklen,
                 const void *needle, size_t needlelen);
    [/CX]

DESCRIPTION

    The memmem() function shall locate the first occurrence of byte
    string 'needle' of length 'needlelen' in byte string 'haystack' of
    length 'haystacklen'.

RETURN VALUE

    Upon successful completion, memmem() shall return a pointer to the
    the first byte of the located byte string in 'haystack', or a null
    pointer if the byte string is not found.

    If 'needlelen' is zero, the function shall return 'haystack'.

    If 'haystacklen' is less than 'needlelen', the function shall return
    a null pointer.

ERRORS

    No errors are defined.

--- The following sections are informative. --

EXAMPLES

    None.

APPLICATION USAGE

    None.

RATIONALE

    This function is identical to strstr(), except that it doesn't
    require that strings have a terminating NUL character.

FUTURE DIRECTIONS

    None.

SEE ALSO

    memchr, strstr

    XBD <string.h>

CHANGE HISTORY

    First released in Issue 8.

--- End of informative text. ---

---------- Add the following function prototype to <string.h>: ---------

[CX]
void *memmem(const void *, size_t, const void *, size_t);
[/CX]

---------- Add the following to strstr(): ---------

SEE ALSO

    memmem()