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memmem(3)                BSD Library Functions Manual                memmem(3)


NAME

     memmem -- locate a byte substring in a byte string


LIBRARY

     Standard C Library (libc, -lc)


SYNOPSIS

     #include <string.h>

     void *
     memmem(const void *big, size_t big_len, const void *little,
         size_t little_len);


DESCRIPTION

     The memmem() function locates the first occurrence of the byte string
     little in the byte string big.


RETURN VALUES

     If big_len is smaller than little_len, if little_len is 0, if big_len is
     0 or if little occurs nowhere in big, NULL is returned; otherwise a
     pointer to the first character of the first occurrence of little is
     returned.


SEE ALSO

     memchr(3), strchr(3), strstr(3)


CONFORMING TO

     memmem() is a GNU extension.


HISTORY

     The memmem() function first appeared in FreeBSD 6.0.


AUTHORS

     Pascal Gloor <pascal.gloor@spale.com>


BUGS

     This function was broken in Linux libc up to and including version 5.0.9
     and in GNU libc prior to version 2.1.

BSD                             August 24, 2005                            BSD

Mac OS X 10.8 - Generated Wed Aug 29 07:38:52 CDT 2012
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