now scan the PATH ourself to find the path to (g)libtool

figure it out here anymore to build debug builds.

argument to also not force the casual includer to know about the socklen_t
type.

sockaddr *. This has the added benefit that source files that include
memdebug.h doesn't have to know about "sockaddr".

my_getaddrinfo() (caused a warning by the IRIX MIPSPro compiler). Also
clarified the situation for the 3-arg version of gethostbyname_r() with a huge
comment.

When using it, we now set the include path to better find the devel curl
headers, and we check for the socklen_t type since the curl memdebug stuff
needs it.

be. Simply skip the pruning.

memory leaks etc.

code fine on ares!

to memdebug the ares stuff as well.

same channel during the whole curl handle's life until curl_easy_cleanup().

is a valid pointer, but instead always depend on the passed-in dns pointer.
This happens to be NULL when the connection is re-used...

and memset

to properly work with SOCKS5 proxies. I also included some ascii art describing
the SOCKS5 response, as RFC1928 describes. Jeff provided details in bug
report #741841 and here: http://curl.haxx.se/mail/lib-2004-02/0181.html

seems to correct some host cache screw-ups I could reproduce.

SO_BINDTODEVICE is present, to prevent compiler warnings about the variable

Removed some dates/names in the comments.

Curl_write in CURLcode, to keep the picky compilers happy