Modify safe_write writes buffer remained.
Move position of global variable definition.
Add function prototypes.
Change TTY initialize timing.
Add PTY holder mode.
Modify PTY allocation and fork method. (now, using forkpty)
Change TTY initialization timing.
Fix indentation.
Modify fakecygpty-qkill to signal as cygwin pid when pid is negative.
Change constant TTY special char to actual value which fetched from real TTY.
Fix interruption advice's return value.
Pass SIGTSTP and SIGCONT signal to child.
Revoke init_tty_attribute(), and don't initialize PTY by myself.
Add workaround for gdb-io-interrupt Ctrl-C problem.
Add flag for pty-hold mode, and stop using argv[0] for flag.
Add zero-clear operation for sigaction structure.
Add workaround for cygwin's EOF detection behavior.
Set control tty on main process.
Fetch tty name from fakecygpty main process instead of subprocess.
Rewrite process-status's return value.