Support cygwin about tg HOT 14 CLOSED

$ LC_ALL=C make
gcc -g -O2  -DHAVE_CONFIG_H -Wall -Wextra -Werror -Wno-deprecated -fno-strict-aliasing -fno-omit-frame-pointer -ggdb -I. -I. -c main.c -o main.o
In file included from main.c:48:0:
interface.h:42:6: error: conflicting types for 'iprintf'
 void iprintf (const char *format, ...) __attribute__ ((format (printf, 1, 2)));
      ^
In file included from /usr/include/stdio.h:29:0,
                 from main.c:24:
/usr/include/stdio.h:253:5: note: previous declaration of 'iprintf' was here
 int _EXFUN(iprintf, (const char *, ...)
     ^
Makefile:30: recipe for target 'main.o' failed
make: *** [main.o] Error 1

$ sed -i 's/iprintf/my_iprintf/g' *.c *.h

$ LC_ALL=C make
gcc -g -O2  -DHAVE_CONFIG_H -Wall -Wextra -Werror -Wno-deprecated -fno-strict-aliasing -fno-omit-frame-pointer -ggdb -I. -I. -c net.c -o net.o
net.c: In function 'create_connection':
net.c:272:34: error: 'POLLRDHUP' undeclared (first use in this function)
   s.events = POLLOUT | POLLERR | POLLRDHUP | POLLHUP;
                                  ^
net.c:272:34: note: each undeclared identifier is reported only once for each function it appears in
net.c: In function 'connections_make_poll_array':
net.c:556:43: error: 'POLLRDHUP' undeclared (first use in this function)
       fds[0].events = POLLERR | POLLHUP | POLLRDHUP | POLLIN;
                                           ^
net.c: In function 'connections_poll_result':
net.c:580:47: error: 'POLLRDHUP' undeclared (first use in this function)
     if (fds[i].revents & (POLLHUP | POLLERR | POLLRDHUP)) {
                                               ^
Makefile:30: recipe for target 'net.o' failed
make: *** [net.o] Error 1

$ LC_ALL=C make
gcc -g -O2 -DNO_BACKTRACE  -DHAVE_CONFIG_H -Wall -Wextra -Werror -Wno-deprecated -fno-strict-aliasing -fno-omit-frame-pointer -ggdb -I. -I. -c main.c -o main.o~~~
main.c:420:2: error: #else without #if
 #else
  ^
main.c:424:2: error: #endif without #if
 #endif
  ^
Makefile:30: recipe for target 'main.o' failed
make: *** [main.o] Error 1

```
$ LC_ALL=C make
gcc -g -O2 -DNO_BACKTRACE  -DHAVE_CONFIG_H -Wall -Wextra -Werror -Wno-deprecated -fno-strict-aliasing -fno-omit-frame-pointer -ggdb -I. -I. -c main.c -o main.o
gcc -g -O2 -DNO_BACKTRACE  -DHAVE_CONFIG_H -Wall -Wextra -Werror -Wno-deprecated -fno-strict-aliasing -fno-omit-frame-pointer -ggdb -I. -I. -c loop.c -o loop.o
gcc -g -O2 -DNO_BACKTRACE  -DHAVE_CONFIG_H -Wall -Wextra -Werror -Wno-deprecated -fno-strict-aliasing -fno-omit-frame-pointer -ggdb -I. -I. -c interface.c -o interface.o
gcc -g -O2 -DNO_BACKTRACE  -DHAVE_CONFIG_H -Wall -Wextra -Werror -Wno-deprecated -fno-strict-aliasing -fno-omit-frame-pointer -ggdb -I. -I. -c net.c -o net.o
gcc -g -O2 -DNO_BACKTRACE  -DHAVE_CONFIG_H -Wall -Wextra -Werror -Wno-deprecated -fno-strict-aliasing -fno-omit-frame-pointer -ggdb -I. -I. -c mtproto-common.c -o mtproto-common.o
gcc -g -O2 -DNO_BACKTRACE  -DHAVE_CONFIG_H -Wall -Wextra -Werror -Wno-deprecated -fno-strict-aliasing -fno-omit-frame-pointer -ggdb -I. -I. -c mtproto-client.c -o mtproto-client.o
mtproto-client.c: In function 'rpc_execute':
mtproto-client.c:1715:35: error: 'TCP_QUICKACK' undeclared (first use in this function)
   setsockopt (c->fd, IPPROTO_TCP, TCP_QUICKACK, (int[]){0}, 4);
                                   ^
mtproto-client.c:1715:35: note: each undeclared identifier is reported only once for each function it appears in
mtproto-client.c: In function 'tc_becomes_ready':
mtproto-client.c:1773:35: error: 'TCP_QUICKACK' undeclared (first use in this function)
   setsockopt (c->fd, IPPROTO_TCP, TCP_QUICKACK, (int[]){0}, 4);
                                   ^
Makefile:30: recipe for target 'mtproto-client.o' failed
make: *** [mtproto-client.o] Error 1
```

#ifndef TCP_QUICKACK
#define TCP_QUICKACK 0
#endif

$ LC_ALL=C make
gcc -g -O2 -DNO_BACKTRACE  -DHAVE_CONFIG_H -Wall -Wextra -Werror -Wno-deprecated -fno-strict-aliasing -fno-omit-frame-pointer -ggdb -I. -I. -c mtproto-client.c -o mtproto-client.o
gcc -g -O2 -DNO_BACKTRACE  -DHAVE_CONFIG_H -Wall -Wextra -Werror -Wno-deprecated -fno-strict-aliasing -fno-omit-frame-pointer -ggdb -I. -I. -c queries.c -o queries.o
gcc -g -O2 -DNO_BACKTRACE  -DHAVE_CONFIG_H -Wall -Wextra -Werror -Wno-deprecated -fno-strict-aliasing -fno-omit-frame-pointer -ggdb -I. -I. -c structures.c -o structures.o
gcc -g -O2 -DNO_BACKTRACE  -DHAVE_CONFIG_H -Wall -Wextra -Werror -Wno-deprecated -fno-strict-aliasing -fno-omit-frame-pointer -ggdb -I. -I. -c binlog.c -o binlog.o
gcc -g -O2 -DNO_BACKTRACE  -DHAVE_CONFIG_H -Wall -Wextra -Werror -Wno-deprecated -fno-strict-aliasing -fno-omit-frame-pointer -ggdb -I. -I. -c tools.c -o tools.o
gcc -g -O2 -DNO_BACKTRACE  -DHAVE_CONFIG_H -Wall -Wextra -Werror -Wno-deprecated -fno-strict-aliasing -fno-omit-frame-pointer -ggdb -I. -I. -c lua-tg.c -o lua-tg.o
gcc main.o loop.o interface.o net.o mtproto-common.o mtproto-client.o queries.o structures.o binlog.o tools.o lua-tg.o  -lm -lcrypto -lz -lssl -rdynamic -ggdb -lreadline -lrt -o telegram

$ ./telegram.exe -k tg.pub
Telegram-client version 0.01-beta, Copyright (C) 2013 Vitaly Valtman
Telegram-client comes with ABSOLUTELY NO WARRANTY; for details type `show_license'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show_license' for details.
[/home/USER/.telegram] created
libconfig not enabled
 *** Connect with 173.240.5.1:443 timeout
 *** Can not create connection to DC. Is network down?

#ifndef TCP_QUICKACK
#define TCP_QUICKACK 0
#endif