gets a 550 response back for the cases where a download (or NOBODY) is
  wanted. It still allows a 550 as response if the SIZE is used as part of an
  upload process (like if resuming an upload is requested and the file isn't
  there before the upload). I also modified the FTP test server and a few test
  cases accordingly to match this modified behavior.

otherwise gethostbyname() is not detected.

  libcurl to somewhat reduce the size of the binary. Run configure
  --disable-proxy.

Curl_resolv_timeout function to reduce coupling.

  Disable floating point optimizations

  downloads!

  CURLINFO_REDIRECT_URL in multi mode" also contained a patch that fixed the
  problem.

returns -1 in EAGAIN cases and that's not valid CURLcode

returns no other exitcode, use 2000 + signal number as return code

test-server logging function. It doesn't work on some systems.

  with realm="". http://curl.haxx.se/bug/view.cgi?id=2126435

inet_pton function is available.

and when not crosscompiling verifies if it is IPv6 capable.

HAVE_INET_NTOP will only be defined when an IPv6 capable working
inet_ntop function is available.

inet_ntop function is available.

2008-09-24 stable snapshot have a buf_mem_st.length structure member with
'int' data type.

OpenSSL un-released 0.9.9 CVS version has a buf_mem_st.length structure member
with 'size_t' data type since 2007-Oct-09.

These 4 typecasts should silence compiler warnings in all cases.