FOR_READ          497 src/process.c    fd_callback_info[fd].flags |= FOR_READ;
FOR_READ          600 src/process.c        if ((fd_callback_info[fd].flags & FOR_READ) != 0)
FOR_READ          623 src/process.c        if ((fd_callback_info[fd].flags & FOR_READ) != 0
FOR_READ          647 src/process.c        if ((fd_callback_info[fd].flags & FOR_READ) != 0
FOR_READ          701 src/process.c        if ((fd_callback_info[fd].flags & (FOR_READ | KEYBOARD_FD))
FOR_READ          702 src/process.c  	  == (FOR_READ | KEYBOARD_FD))
FOR_READ         5860 src/process.c  	      && ((d->flags & FOR_READ
FOR_READ         7839 src/process.c  	&& ((fd_callback_info[fd].flags & (FOR_READ | KEYBOARD_FD))
FOR_READ         7840 src/process.c  	    == (FOR_READ | KEYBOARD_FD)))
FOR_READ         8112 src/process.c    fd_callback_info[desc].flags |= (FOR_READ | KEYBOARD_FD);
FOR_READ         8126 src/process.c    fd_callback_info[desc].flags &= ~(FOR_READ | KEYBOARD_FD | PROCESS_FD);