removed the proto as well since the function is now gone

 *                            | (__| |_| |  _ <| |___

 *                             \___|\___/|_| \_\_____|

 *

 * Copyright (C) 1998 - 2005, Daniel Stenberg, <daniel@haxx.se>, et al.

 * Copyright (C) 1998 - 2008, Daniel Stenberg, <daniel@haxx.se>, et al.

 *

 * This software is licensed as described in the file COPYING, which

 * you should have received as part of this distribution. The terms

   argument is zero-byte terminated */

#define checkprefix(a,b)    strnequal(a,b,strlen(a))

/* case insensitive strstr() */

char *Curl_strcasestr(const char *haystack, const char *needle);

#ifndef HAVE_STRLCAT

#define strlcat(x,y,z) Curl_strlcat(x,y,z)