stdio.h, stdlib.h, string.h, stdarg.h and ctype.h inclusion done in setup_once.h

unitteset: Curl_llist_move

adding unit test for Curl_llist_move, documenting unit-tested functions
in llist.c, changing unit-test to unittest, replacing assert calls with
abort_unles

unitteset: Curl_llist_move

adding unit test for Curl_llist_move, documenting unit-tested functions
in llist.c, changing unit-test to unittest, replacing assert calls with
abort_unless calls

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unittest: mark all unit tested functions

With "@unittest: [num]" in the header comment for each tested function.
Shows we have a log way to go still...

source cleanup: unify look, style and indent levels

By the use of a the new lib/checksrc.pl script that checks that our
basic source style rules are followed.

Curl_llist_insert_next: allow insertion first in the list

When we specify the "insert after" entry as NULL, this function now
inserts the new entry first in the list.

llist: hide Curl_llist_init

Curl_llist_init is never used outside of llist.c and thus it should be
static. I also removed the protos for Curl_llist_insert_prev and
Curl_llist_remove_

llist: hide Curl_llist_init

Curl_llist_init is never used outside of llist.c and thus it should be
static. I also removed the protos for Curl_llist_insert_prev and
Curl_llist_remove_next which are functions we removed from llist.c ages
ago.

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remove the CVSish $Id$ lines

libcurl's memory.h renamed to curl_memory.h

remove debug-code which zero-filled some structures before free()ing them

attempt to fix or allow further detection of an elusive icc SIGSEGV

remove unnecessary typecasting of malloc()

Dmitry Kurochkin worked a lot on improving the HTTP Pipelining support that
previously had a number of flaws, perhaps most notably when an application
fired up N transfers at once as then the

Dmitry Kurochkin worked a lot on improving the HTTP Pipelining support that
previously had a number of flaws, perhaps most notably when an application
fired up N transfers at once as then they wouldn't pipeline at all that
nicely as anyone would think... Test case 530 was also updated to take the
improved functionality into account.

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if () => if()
while () => while()
and some other minor re-indentings

updated copyright year

Major overhaul introducing http pipelining support and shared connection
cache within the multi handle.

Use plain structs and not typedef'ed ones in the hash and linked-list code.

Source cleanups. The major one being that we now _always_ use a Curl_addrinfo
linked list for name resolved data, even on hosts/systems with only IPv4
stacks as this simplifies a lot of code.

curl_global_init_mem() allows the memory functions to be replaced.
memory.h is included everywhere for this.

make Curl_llist_insert_next() fail properly if malloc() fails

updated year in the copyright string

#ifdef 0'ed Curl_llist_insert_prev and Curl_llist_remove_next, as they are
not used by any code in libcurl!

Uses less macros. #ifdef'ed out unused functions. Edited slightly to be
more in the same style as other curl source code. The only actual code change
is an added check after a malloc() call.

Curl_llist_destroy() checks the input for non-NULL

use CURLDEBUG instead of MALLOCDEBUG for preprocessor conditions

copyright year update in the source header