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I implemented OxStartInsecure[] (mathematica command)
but I have some problem.
For example, in insecure mode, math2ox cannot exchange one byte
with ox the control server.

/* -*- mode: C; coding: euc-japan -*- */
/* $OpenXM: OpenXM/src/ox_math/math2ox.c,v 1.4 1999/11/04 19:33:17 ohara Exp $ */
/* $Id: math2ox.c,v 1.3 1999/10/13 07:38:23 ohara Exp $ */

#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>

#include <stdio.h>
#include <stdlib.h>
#include <mathlink.h>
#include <unistd.h>
#include <signal.h>

#include "ox.h"
#include "parse.h"

static char *host    = "localhost";
static char *ctlserv = "ox";
static char *oxprog  = "ox_sm1";

ox_file_t sv;

/* Mathematica から直接呼び出される関数の定義. */
/* 呼び出しの方法は math2ox.tm で定義される.   */
int OX_executeStringByLocalParser(const char *str)
{
    ox_executeStringByLocalParser(sv, str);
    return 0;
}

char *OX_popString()
{
    return ox_popString(sv, sv->stream);
}

int OX_close()
{
    ox_close(sv);
    return 0;
}

int OX_reset()
{
    ox_reset(sv);
    return 0;
}

/* 文字列 s を parse() にかけて生成された cmo を サーバに送る. */
/* s は "...\n" の形でなければならない(??). */
int OX_parse(char *s)
{
    cmo *m;
	int len = strlen(s);
    setmode_mygetc(s, len);

    if(s != NULL && len > 0 && (m = parse()) != NULL) {
		/* 本来 m->tag のチェックをして CMO であることを
           確かめなければならない. */
		send_ox_cmo(sv->stream, m);		
		return 0;
	}
	return -1; /* 失敗した場合 */
}

int OX_start(char* s)
{
    if (s != NULL && s[0] != '\0') {
        oxprog = s;
    }
    sv = ox_start(host, ctlserv, oxprog);
    fprintf(stderr, "open (%s)\n", "localhost");
    return 0;
}

int OX_start_insecure(char *host, int portCtl, int portDat)
{
    if (host != NULL || host[0] == '\0') {
        host = "localhost";
    }
	if (portCtl == 0) {
		portCtl = 1200;
	}
	if (portDat == 0) {
		portDat = 1300;
	}
	
	sv = ox_start_insecure_nonreverse(host, portCtl, portDat);
    fprintf(stderr, "math2ox :: connect to \"%s\" with (ctl, dat) = (%d, %d)\n", host, portCtl, portDat);
    return 0;
}

static char *cp_str(char *src)
{
    char *dest = malloc(strlen(src)+1);
    strcpy(dest, src);
    return dest;
}

int OX_setClientParam(char *h, char* c, char* p)
{
    host    = cp_str(h);
    ctlserv = cp_str(c);
    oxprog  = cp_str(p);
    return 0;
}

int main(int argc, char *argv[])
{
	/* 構文解析器の設定 */
	setflag_parse(PFLAG_ADDREV);
    setgetc(mygetc);

    MLMain(argc, argv);
}