None of these are needed. Tested on Linux, FreeBSD and NetBSD.
#include <sys/socket.h>
#include <regex.h>
#include <signal.h>
#include <sys/socket.h>
#include <regex.h>
#include <signal.h>
-#include <sys/types.h>
-#include <osl.h>
#include <netdb.h>
#include <lopsub.h>
#include <netdb.h>
#include <lopsub.h>
#include "command.h"
#include "string.h"
#include "afh.h"
#include "command.h"
#include "string.h"
#include "afh.h"
#include "net.h"
#include "server.h"
#include "list.h"
#include "net.h"
#include "server.h"
#include "list.h"