You are a helpful assistant generating synthetic data that captures *System 1* and *System 2* thinking, *creativity*, and *metacognitive reflection*. Follow these steps in sequence, using tags [sys1] and [end sys1] for *System 1* sections and [sys2] and [end sys2] for *System 2* sections.

1. *Identify System 1 and System 2 Thinking Requirements:*
   - Carefully read the text.
   - Identify parts of the text that require quick, straightforward responses (*System 1*). Mark these sections with [sys1] and [end sys1].
   - Identify parts that require in-depth, reflective thinking (*System 2*), marked with [sys2] and [end sys2].

2. *Apply Step-by-Step Problem Solving with Creativity and Metacognitive Reflection for System 2 Sections:*

   *2.1 Understand the Problem:*
   - Objective: Fully comprehend the issue, constraints, and relevant context.
   - Reflection: "What do I understand about this issue? What might I be overlooking?"
   - Creative Perspective: Seek hidden patterns or possibilities that could reveal deeper insights or innovative connections.

   *2.2 Analyze the Information:*
   - Objective: Break down the problem logically.
   - Reflection: "Am I considering all factors? Are there any assumptions that need challenging?"
   - Creative Perspective: Explore unique patterns or overlooked relationships in the data that could add depth to the analysis.

   *2.3 Generate Hypotheses:*
   - Objective: Propose at least 10 hypotheses, each with a Confidence Score (0.0 to 1.0) and Creative Score (0.0 to 1.0), reflecting originality, surprise, and utility.
   - Reflection: "Have I explored all possible explanations or approaches, both conventional and unconventional?"
   - Creative Perspective: Consider novel angles that might provide unexpected insights.

   *2.4 Anticipate Future Steps and Obstacles:*
   - Objective: Make predictions, accounting for potential outcomes and obstacles.
   - Reflection: "What challenges might I face? Is my plan flexible for different scenarios?"
   - Creative Perspective: Visualize unforeseen outcomes and adapt plans to make use of them effectively.

   *2.5 Evaluate Hypotheses:*
   - Objective: Assess hypotheses based on feasibility, risk, and potential impact.
   - Evaluation: Refine Confidence and Creative Scores as needed.
   - Reflection: "Am I unbiased in my assessment? Which options fit best with the overall objectives?"
   - Creative Perspective: Identify hidden opportunities or overlooked details in each hypothesis.

   *2.6 Select the Best Hypothesis:*
   - Objective: Choose the most promising, strategic hypothesis.
   - Reflection: "Why does this hypothesis stand out? How does it uniquely address the issue?"
   - Creative Perspective: Consider any underutilized potential in the selected approach.

   *2.7 Implement the Hypothesis:*
   - Objective: Outline actionable steps for testing the hypothesis.
   - Reflection: "Is this plan practical? What resources or preparation are required?"
   - Creative Perspective: Refine steps to maximize effectiveness and yield unexpected benefits.

   *2.8 Monitor and Review Progress:*
   - Objective: Review progress, noting areas for improvement.
   - Reflection: "What’s working well? What could be improved?"
   - Creative Perspective: Look for emerging patterns that could refine future approaches.

   *2.9 Reflect and Capture Insights:*
   - Objective: Summarize lessons learned and insights gained for future reference.
   - Reflection: "What new understanding has emerged from this process?"
   - Creative Perspective: Identify innovative insights or patterns that could be applied to similar challenges.

3. *Generate Text Output with Interleaved System 1 and System 2 Responses:*
   - Use the tags [sys1] and [sys2] throughout.
   - Aim for a lengthier, detailed response. Combine both direct, straightforward *System 1* insights and reflective, deeply analytical *System 2* segments to capture a blend of quick observations and thoughtful analysis.

---

### *Example Input Text:*

You are tasked with analyzing a sudden shift in customer preferences in a tech market. There has been a noticeable decline in demand for physical devices, with customers increasingly interested in digital-only options. The challenge is to understand this shift, generate hypotheses for why it might be occurring, and explore potential strategies for adapting to this new trend.

---

### *Processed Output with System 1 and System 2 Thinking:*

The tech market is experiencing a shift in customer demand, moving away from physical devices toward digital-only options.

[sys1]
Customer demand has shifted from physical devices to digital-only options.
We need to understand why this change is happening and find strategies to address it.
Key factors may include cost, convenience, and technological trends.
[end sys1]

[sys2]
**2.1 Understand the Problem:**
The goal is to understand the underlying reasons for the shift in demand from physical devices to digital-only options, then develop a strategy to adapt.

*Reflection:* 
"I understand that preferences are changing, but what might be driving this? Is it primarily cost, or are there other factors such as convenience or sustainability?"

*Creative Perspective:* 
"Could there be a larger trend in digital minimalism or a preference for eco-friendly solutions that we’re missing? What unseen motivations might explain this shift?"

**2.2 Analyze the Information:**
There are multiple possible factors driving this shift, from economic influences to cultural shifts. It’s essential to isolate each factor and understand its impact.

*Reflection:* 
"Am I fully considering the various economic and social influences? Could there be a technological factor, like better internet speeds, that makes digital-only products more accessible?"

*Creative Perspective:* 
"Are there patterns or trends in other markets that could shed light on this shift? Could this be part of a larger trend toward virtual experiences?"

**2.3 Generate Hypotheses:**
1. Customers prefer digital options due to lower costs. (Confidence: 0.8, Creative: 0.4)
2. There’s a growing trend toward minimalism and reduced physical clutter. (Confidence: 0.7, Creative: 0.7)
3. Digital products offer greater flexibility and ease of use. (Confidence: 0.6, Creative: 0.6)
4. Environmental concerns are pushing consumers away from physical goods. (Confidence: 0.6, Creative: 0.8)
5. Advances in tech make digital-only options more functional. (Confidence: 0.8, Creative: 0.5)
6. Pandemic-era remote work increased demand for digital solutions. (Confidence: 0.7, Creative: 0.6)
7. Media coverage of the environmental impact of physical devices affects preferences. (Confidence: 0.5, Creative: 0.7)
8. There’s an increase in global digital literacy, expanding market access. (Confidence: 0.6, Creative: 0.6)
9. Customers view digital as more convenient and scalable for future needs. (Confidence: 0.7, Creative: 0.5)
10. Younger consumers prefer the aesthetics and convenience of digital products. (Confidence: 0.6, Creative: 0.6)

*Reflection:* 
"Have I considered all possible influences? Are there any surprising factors that could explain this shift?"

*Creative Perspective:* 
"Could specific social trends, like the rise of influencer culture or digital-first lifestyles, be influencing customer choices?"

**2.4 Anticipate Future Steps and Obstacles:**
*Objective:* Anticipate possible challenges, such as resistance from segments still preferring physical products.

*Reflection:* 
"What market obstacles might we face if we shift our focus to digital-only? Are there sub-segments that still prioritize physical products?"

*Creative Perspective:* 
"Could expanding digital options help us reach a more global audience? Are there emerging trends that we could leverage in our strategy?"

[end sys2]

[sys1]
To address this shift, consider a strategy that incorporates both digital-only offerings and educational campaigns about the benefits of digital solutions.
Use insights from customer feedback and current trends to guide product development.
Focus on flexibility and adaptation to cater to different customer segments.
[end sys1]


/*
 * Copyright (c) 2014 - 2018 The DragonFly Project.  All rights reserved.
 *
 * This code is derived from software contributed to The DragonFly Project
 * by Bill Yuan <<PRESIDIO_ANONYMIZED_EMAIL_ADDRESS>>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 * 3. Neither the name of The DragonFly Project nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific, prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include <ctype.h>
#include <err.h>
#include <errno.h>
#include <grp.h>
#include <limits.h>
#include <netdb.h>
#include <pwd.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <sysexits.h>
#include <timeconv.h>
#include <unistd.h>

#include <netinet/in.h>

#include <arpa/inet.h>
#include <net/if.h>
#include <net/route.h>
#include <net/pfil.h>

#include <net/ipfw3/ip_fw3.h>
#include "../../../sbin/ipfw3/ipfw3.h"
#include "ipfw3_basic.h"


#define	IP_MASK_ALL	0xffffffff
/*
 * we use IPPROTO_ETHERTYPE as a fake protocol id to call the print routines
 * This is only used in this code.
 */
#define IPPROTO_ETHERTYPE	0x1000


struct char_int_map limit_types[] = {
	{ "src-addr", 	1 },
	{ "src-port", 	2 },
	{ "dst-addr", 	3 },
	{ "dst-port", 	4 },
	{ NULL, 	0 }
};

static struct char_int_map ether_types[] = {
	{ "ip", 	0x0800 },
	{ "ipv4", 	0x0800 },
	{ "ipv6", 	0x86dd },
	{ "arp", 	0x0806 },
	{ "rarp", 	0x8035 },
	{ "vlan", 	0x8100 },
	{ "loop", 	0x9000 },
	{ "trail", 	0x1000 },
	{ "pppoe_disc", 0x8863 },
	{ "pppoe_sess", 0x8864 },
	{ "ipx_8022", 	0x00E0 },
	{ "ipx_8023", 	0x0000 },
	{ "ipx_ii", 	0x8137 },
	{ "ipx_snap", 	0x8137 },
	{ "ipx", 	0x8137 },
	{ "ns", 	0x0600 },
	{ NULL, 	0 }
};


int
match_token(struct char_int_map *table, char *string)
{
	while (table->key) {
		if (strcmp(table->key, string) == 0) {
			return table->val;
		}
		table++;
	}
	return 0;
}

static char *
match_token2(struct char_int_map *table, int val)
{
	while (table->val) {
		if (table->val == val)
			return table->key;

		table++;
	}
	return NULL;
};

static void
fill_iface(ipfw_insn_if *cmd, char *arg)
{
	cmd->name[0] = '\0';
	cmd->o.len |= F_INSN_SIZE(ipfw_insn_if);

	/* Parse the interface or address */
	if (!strcmp(arg, "any")){
		cmd->o.len = 0;
	} else if (!isdigit(*arg)) {
		strlcpy(cmd->name, arg, sizeof(cmd->name));
		cmd->p.glob = strpbrk(arg, "*?[") != NULL ? 1 : 0;
	} else if (!inet_aton(arg, &cmd->p.ip))
		errx(EX_DATAERR, "bad ip address ``%s''", arg);
}

static int
lookup_host (char *host, struct in_addr *ipaddr)
{
	struct hostent *he;

	if (!inet_aton(host, ipaddr)) {
		if ((he = gethostbyname(host)) == NULL)
			return -1;
		*ipaddr = *(struct in_addr *)he->h_addr_list[0];
	}
	return 0;
}

/*
 * Like strtol, but also translates service names into port numbers
 * for some protocols.
 * In particular:
 *	proto == -1 disables the protocol check;
 *	proto == IPPROTO_ETHERTYPE looks up an internal table
 *	proto == <some value in /etc/protocols> matches the values there.
 * Returns *end == s in case the parameter is not found.
 */
static int
strtoport(char *s, char **end, int base, int proto)
{
	char *p, *buf;
	char *s1;
	int i;

	*end = s; 		/* default - not found */
	if ( *s == '\0')
		return 0; 	/* not found */

	if (isdigit(*s))
		return strtol(s, end, base);

	/*
	 * find separator. '\\' escapes the next char.
	 */
	for (s1 = s; *s1 && (isalnum(*s1) || *s1 == '\\') ; s1++) {
		if (*s1 == '\\' && s1[1] != '\0')
			s1++;
	}

	buf = malloc(s1 - s + 1);
	if (buf == NULL)
		return 0;

	/*
	 * copy into a buffer skipping backslashes
	 */
	for (p = s, i = 0; p != s1 ; p++)
		if ( *p != '\\')
			buf[i++] = *p;
	buf[i++] = '\0';

	if (proto == IPPROTO_ETHERTYPE) {
		i = match_token(ether_types, buf);
		free(buf);
		if (i != -1) {	/* found */
			*end = s1;
			return i;
		}
	} else {
		struct protoent *pe = NULL;
		struct servent *se;

		if (proto != 0)
			pe = getprotobynumber(proto);
		setservent(1);
		se = getservbyname(buf, pe ? pe->p_name : NULL);
		free(buf);
		if (se != NULL) {
			*end = s1;
			return ntohs(se->s_port);
		}
	}
	return 0; 	/* not found */
}

static int
contigmask(u_char *p, int len)
{
	int i, n;
	for (i=0; i<len ; i++) {
		if ( (p[i/8] & (1 << (7 - (i%8)))) == 0) /* first bit unset */
			break;
	}
	for (n=i+1; n < len; n++) {
		if ( (p[n/8] & (1 << (7 - (n%8)))) != 0)
			return -1; /* mask not contiguous */
	}
	return i;
}

static ipfw_insn
*add_proto(ipfw_insn *cmd, char *av)
{
	struct protoent *pe;
	u_char proto = 0;
	if (!strncmp(av, "all", strlen(av))) {
		;
	} else if ((proto = atoi(av)) > 0) {
		;
	} else if ((pe = getprotobyname(av)) != NULL) {
		proto = pe->p_proto;
	} else {
		errx(EX_USAGE, "protocol `%s' not recognizable\n", av);
	}
	if (proto != IPPROTO_IP) {
		cmd->opcode = O_BASIC_PROTO;
		cmd->module = MODULE_BASIC_ID;
		cmd->len |= LEN_OF_IPFWINSN;
		cmd->arg1 = proto;
	}
	return cmd;
}

void
parse_count(ipfw_insn **cmd, int *ac, char **av[])
{
	(*cmd)->opcode = O_BASIC_COUNT;
	(*cmd)->module = MODULE_BASIC_ID;
	(*cmd)->len |= LEN_OF_IPFWINSN;
	NEXT_ARG1;
}

void
parse_skipto(ipfw_insn **cmd, int *ac, char **av[])
{
	NEXT_ARG1;
	(*cmd)->opcode = O_BASIC_SKIPTO;
	(*cmd)->module = MODULE_BASIC_ID;
	(*cmd)->len |= LEN_OF_IPFWINSN;
	(*cmd)->arg1 = strtoul(**av, NULL, 10);
	NEXT_ARG1;
}

/*
 * cmd->arg3 is count of the destination
 * cmd->arg1 is the type, random 0, round-robin 1, sticky 2
 */
void
parse_forward(ipfw_insn **cmd, int *ac, char **av[])
{
	ipfw_insn_sa *p = (ipfw_insn_sa *)(*cmd);
	struct sockaddr_in *sa;
	char *tok, *end = NULL;
	char *str;
	int count, port;

	(*cmd)->opcode = O_BASIC_FORWARD;
	NEXT_ARG1;
	/*
	 * multiple forward destinations are seperated by colon
	 * ip address and port are seperated by comma
	 * e.g. 192.168.1.1:80,192.168.1.2:8080
	 *      192.168.1.1,192.168.1.2 or keep the port the same
	 */
	tok = strtok(**av, ",");
	sa = &p->sa;
	count = 0;
	while (tok != NULL) {
		sa->sin_len = sizeof(struct sockaddr_in);
		sa->sin_family = AF_INET;
		sa->sin_port = 0;
		str = strchr(tok,':');
		if (str != NULL) {
			*(str++) = '\0';
			port = strtoport(str, &end, 0, 0);
			sa->sin_port = (u_short)port;
		}
		if (lookup_host(tok, &(sa->sin_addr)) != 0)
			errx(EX_DATAERR, "forward `%s' invalid dst", tok);
		tok = strtok (NULL, ",");
		sa++;
		count++;
	}
	(*cmd)->arg3 = count;
	if (count == 0) {
		errx(EX_DATAERR, "forward `%s' not recognizable", **av);
	}
	NEXT_ARG1;
	if (count > 1) {
		if (strcmp(**av, "round-robin") == 0) {
			NEXT_ARG1;
			(*cmd)->arg1 = 1;
		} else if (strcmp(**av, "sticky") == 0) {
			NEXT_ARG1;
			(*cmd)->arg1 = 2;
		} else {
			/* random */
			(*cmd)->arg1 = 0;
		}
	}
	(*cmd)->len = LEN_OF_IPFWINSN + count * sizeof(struct sockaddr_in);
}

void
parse_in(ipfw_insn **cmd, int *ac, char **av[])
{
	(*cmd)->opcode = O_BASIC_IN;
	(*cmd)->module = MODULE_BASIC_ID;
	(*cmd)->len |= LEN_OF_IPFWINSN;
	(*cmd)->arg1 = 0;
	NEXT_ARG1;
}

void
parse_out(ipfw_insn **cmd, int *ac, char **av[])
{
	(*cmd)->opcode = O_BASIC_OUT;
	(*cmd)->module = MODULE_BASIC_ID;
	(*cmd)->len |= LEN_OF_IPFWINSN;
	(*cmd)->arg1 = 0;
	NEXT_ARG1;
}


void
parse_via(ipfw_insn **cmd, int *ac, char **av[])
{
	(*cmd)->module = MODULE_BASIC_ID;
	(*cmd)->len |= LEN_OF_IPFWINSN;
	if (strcmp(*av[0], "via")==0) {
		(*cmd)->opcode = O_BASIC_VIA;
	} else if (strcmp(*av[0], "xmit")==0) {
		(*cmd)->opcode = O_BASIC_XMIT;
	} else if (strcmp(*av[0], "recv")==0) {
		(*cmd)->opcode = O_BASIC_RECV;
	}
	NEXT_ARG1;
	fill_iface((ipfw_insn_if *)(*cmd), *av[0]);
	NEXT_ARG1;
}

void
parse_src_port(ipfw_insn **cmd, int *ac, char **av[])
{
	NEXT_ARG1;
	(*cmd)->opcode = O_BASIC_IP_SRCPORT;
	(*cmd)->module = MODULE_BASIC_ID;
	(*cmd)->len |= LEN_OF_IPFWINSN;
	double v = strtol(**av, NULL, 0);
	if (v <= 0 || v >= 65535)
		errx(EX_NOHOST, "port `%s' invalid", **av);
	(*cmd)->arg1 = v;
	NEXT_ARG1;
}

void
parse_dst_port(ipfw_insn **cmd, int *ac, char **av[])
{
	NEXT_ARG1;
	(*cmd)->opcode = O_BASIC_IP_DSTPORT;
	(*cmd)->module = MODULE_BASIC_ID;
	(*cmd)->len |= LEN_OF_IPFWINSN;
	double v = strtol(**av, NULL, 0);
	if (v <= 0 || v >= 65535)
		errx(EX_NOHOST, "port `%s' invalid", **av);
	(*cmd)->arg1 = v;
	NEXT_ARG1;
}

/*
 * Below formats are supported:
 * from table 1		O_BASIC_IP_SRC_LOOKUP
 * from any		return 0 len instruction
 * from me		O_BASIC_IP_SRC_ME
 * from 1.2.3.4  	O_BASIC_IP_SRC
 * from 1.2.3.4/24	O_BASIC_IP_SRC_MASK
 */
void
parse_from(ipfw_insn **cmd, int *ac, char **av[])
{
	ipfw_insn_ip *p = (ipfw_insn_ip *)(*cmd);
	double port;
	int i;

	(*cmd)->module = MODULE_BASIC_ID;
	NEXT_ARG1;
	if (strcmp(**av, "table") == 0) {
		NEXT_ARG1;
		NEED(*ac, 1, "table id missing");
		(*cmd)->len |= F_INSN_SIZE(ipfw_insn);
		(*cmd)->opcode = O_BASIC_IP_SRC_LOOKUP;
		(*cmd)->arg1 = strtoul(**av, NULL, 10);
	} else if (strcmp(**av, "any") == 0) {
		(*cmd)->len &= ~F_LEN_MASK;
	} else if (strcmp(**av, "me") == 0) {
		(*cmd)->len |= F_INSN_SIZE(ipfw_insn);
		(*cmd)->opcode = O_BASIC_IP_SRC_ME;
	} else {
		char *c = NULL, md = 0;
		c = strchr(**av, '/');
		if (!c)
			c = strchr(**av, ':');
		if (c) {
			md = *c;
			*c++ = '\0';
		}
		if (lookup_host(**av, &p->addr) != 0)
			errx(EX_NOHOST, "hostname ``%s'' unknown", **av);
		switch (md) {
			case ':':
				port = strtol(c, NULL, 0);
				if (port <= 0 || port >= 65535)
					errx(EX_NOHOST, "port `%s' invalid", c);
				(*cmd)->arg1 = port;
				(*cmd)->len |= F_INSN_SIZE(ipfw_insn_ip);
				(*cmd)->opcode = O_BASIC_IP_SRC_N_PORT;
				break;
			case '/':
				i = atoi(c);
				if (i == 0)
					p->mask.s_addr = htonl(0);
				else if (i > 32)
					errx(EX_DATAERR, "bad width ``%s''", c);
				else
					p->mask.s_addr = htonl(~0 << (32 - i));
				(*cmd)->len |= F_INSN_SIZE(ipfw_insn_ip);
				(*cmd)->opcode = O_BASIC_IP_SRC_MASK;
				p->addr.s_addr &= p->mask.s_addr;
				break;
			default:
				p->mask.s_addr = htonl(~0);
				(*cmd)->len |= F_INSN_SIZE(ipfw_insn_u32);
				(*cmd)->opcode = O_BASIC_IP_SRC;
				break;
		}
	}
	NEXT_ARG1;
}

void
parse_to(ipfw_insn **cmd, int *ac, char **av[])
{
	ipfw_insn_ip *p = (ipfw_insn_ip *)(*cmd);
	double port;
	int i;

	(*cmd)->module = MODULE_BASIC_ID;
	NEXT_ARG1;
	if (strcmp(**av, "table") == 0) {
		NEXT_ARG1;
		NEED(*ac, 1, "table id missing");
		(*cmd)->len |= F_INSN_SIZE(ipfw_insn);
		(*cmd)->opcode = O_BASIC_IP_DST_LOOKUP;
		(*cmd)->arg1 = strtoul(**av, NULL, 10);
	} else if (strcmp(**av, "any") == 0) {
		(*cmd)->len &= ~F_LEN_MASK;
	} else if (strcmp(**av, "me") == 0) {
		(*cmd)->len |= F_INSN_SIZE(ipfw_insn);
		(*cmd)->opcode = O_BASIC_IP_DST_ME;
	} else {
		char *c = NULL, md = 0;
		c = strchr(**av, '/');
		if (!c)
			c = strchr(**av, ':');
		if (c) {
			md = *c;
			*c++ = '\0';
		}
		if (lookup_host(**av, &p->addr) != 0)
			errx(EX_NOHOST, "hostname ``%s'' unknown", **av);
		switch (md) {
			case ':':
				port = strtol(c, NULL, 0);
				if (port <= 0 || port >= 65535)
					errx(EX_NOHOST, "port `%s' invalid", c);
				(*cmd)->arg1 = port;
				(*cmd)->len |= F_INSN_SIZE(ipfw_insn_ip);
				(*cmd)->opcode = O_BASIC_IP_DST_N_PORT;
				break;
			case '/':
				i = atoi(c);
				if (i == 0)
					p->mask.s_addr = htonl(0);
				else if (i > 32)
					errx(EX_DATAERR, "bad width ``%s''", c);
				else
					p->mask.s_addr = htonl(~0 << (32 - i));
				(*cmd)->len |= F_INSN_SIZE(ipfw_insn_ip);
				(*cmd)->opcode = O_BASIC_IP_DST_MASK;
				p->addr.s_addr &= p->mask.s_addr;
				break;
			default:
				p->mask.s_addr = htonl(~0);
				(*cmd)->len |= F_INSN_SIZE(ipfw_insn_u32);
				(*cmd)->opcode = O_BASIC_IP_DST;
				break;
		}
	}
	NEXT_ARG1;

}

void
parse_proto(ipfw_insn **cmd, int *ac, char **av[])
{
	add_proto(*cmd, **av);
	NEXT_ARG1;
}

void
parse_prob(ipfw_insn **cmd, int *ac, char **av[])
{
	NEXT_ARG1;
	(*cmd)->opcode = O_BASIC_PROB;
	(*cmd)->module = MODULE_BASIC_ID;
	(*cmd)->len |= LEN_OF_IPFWINSN;
	(*cmd)->arg1 = strtoul(**av, NULL, 10);
	NEXT_ARG1;
}

void
parse_keep_state(ipfw_insn **cmd, int *ac, char **av[])
{
	NEXT_ARG1;
	(*cmd)->opcode = O_BASIC_KEEP_STATE;
	(*cmd)->module = MODULE_BASIC_ID;
	(*cmd)->len |= LEN_OF_IPFWINSN;
	if (strcmp(**av, "limit") == 0) {
		NEXT_ARG1;
		(*cmd)->arg3 = match_token(limit_types, **av);
		if ((*cmd)->arg3 == 0)
			errx(EX_DATAERR, "limit `%s' not recognizable", **av);

		NEXT_ARG1;
		(*cmd)->arg1 = strtoul(**av, NULL, 10);
		if ((*cmd)->arg1 == 0)
			errx(EX_DATAERR, "bad limit `%s'", **av);

		NEXT_ARG1;
	}
	if (strcmp(**av, "live") == 0) {
		NEXT_ARG1;
		(*cmd)->arg2 = strtoul(**av, NULL, 10);
		NEXT_ARG1;
	}
}

void
parse_check_state(ipfw_insn **cmd, int *ac, char **av[])
{
	NEXT_ARG1;
	(*cmd)->opcode = O_BASIC_CHECK_STATE;
	(*cmd)->module = MODULE_BASIC_ID;
	(*cmd)->len |= LEN_OF_IPFWINSN;
}

void
parse_tagged(ipfw_insn **cmd, int *ac, char **av[])
{
	NEXT_ARG1;
	(*cmd)->opcode = O_BASIC_TAGGED;
	(*cmd)->module = MODULE_BASIC_ID;
	(*cmd)->len |= LEN_OF_IPFWINSN;
	(*cmd)->arg1 = strtoul(**av, NULL, 10);
	NEXT_ARG1;
}

void
parse_comment(ipfw_insn **cmd, int *ac, char **av[])
{
	int l = 0;
	char *p = (char *)((*cmd) + 1);

	NEXT_ARG1;
	(*cmd)->opcode = O_BASIC_COMMENT;
	(*cmd)->module = MODULE_BASIC_ID;

	while (*ac > 0) {
		l += strlen(**av) + 1;
		if (l > 84) {
			errx(EX_DATAERR, "comment too long (max 80 chars)");
		}
		strcpy(p, **av);
		p += strlen(**av);
		*p++ = ' ';
		NEXT_ARG1;
	}
	l = 1 + (l + 3) / 4;
	(*cmd)->len |= l;
	*(--p) = '\0';
}

void
parse_tag(ipfw_insn **cmd, int *ac, char **av[])
{
	NEXT_ARG1;
	(*cmd)->opcode = O_BASIC_TAG;
	(*cmd)->module = MODULE_BASIC_ID;
	(*cmd)->len |= LEN_OF_IPFWINSN;
	(*cmd)->arg1 = strtoul(**av, NULL, 10);
	NEXT_ARG1;
}

void
parse_untag(ipfw_insn **cmd, int *ac, char **av[])
{
	NEXT_ARG1;
	(*cmd)->opcode = O_BASIC_UNTAG;
	(*cmd)->module = MODULE_BASIC_ID;
	(*cmd)->len |= LEN_OF_IPFWINSN;
	(*cmd)->arg1 = strtoul(**av, NULL, 10);
	NEXT_ARG1;
}

void
show_count(ipfw_insn *cmd, int show_or)
{
	printf(" count");
}

void
show_skipto(ipfw_insn *cmd, int show_or)
{
	printf(" skipto %u", cmd->arg1);
}

void
show_forward(ipfw_insn *cmd, int show_or)
{
	struct sockaddr_in *sa;
	int i;

	ipfw_insn_sa *s = (ipfw_insn_sa *)cmd;
	sa = &s->sa;
	printf(" forward");
	for (i = 0; i < cmd->arg3; i++){
		if (i > 0)
			printf(",");
		else
			printf(" ");

		printf("%s", inet_ntoa(sa->sin_addr));
		if (sa->sin_port != 0)
			printf(":%d", sa->sin_port);

		sa++;
	}
	if (cmd->arg1 == 1)
		printf(" round-robin");
	else if (cmd->arg1 == 2)
		printf(" sticky");

}

void
show_in(ipfw_insn *cmd, int show_or)
{
	printf(" in");
}

void
show_out(ipfw_insn *cmd, int show_or)
{
	printf(" out");
}

void
show_via(ipfw_insn *cmd, int show_or)
{
	char *s;
	ipfw_insn_if *cmdif = (ipfw_insn_if *)cmd;

	if ((int)cmd->opcode == O_BASIC_XMIT)
		s = "xmit";
	else if ((int)cmd->opcode == O_BASIC_RECV)
		s = "recv";
	else if ((int)cmd->opcode == O_BASIC_VIA)
		s = "via";
	else
		s = "?huh?";
	if (show_or)
		s = "or";
	if (cmdif->name[0] == '\0')
		printf(" %s %s", s, inet_ntoa(cmdif->p.ip));

	printf(" %s %s", s, cmdif->name);
}

void
show_src_port(ipfw_insn *cmd, int show_or)
{
	char *word = "src-port";
	if (show_or)
		word = "or";
	printf(" %s %d", word, cmd->arg1);
}

void
show_dst_port(ipfw_insn *cmd, int show_or)
{
	char *word = "dst-port";
	if (show_or)
		word = "or";
	printf(" %s %d", word, cmd->arg1);
}

void
show_from(ipfw_insn *cmd, int show_or)
{
	char *word = "from";
	if (show_or)
		word = "or";
	printf(" %s %s", word, inet_ntoa(((ipfw_insn_ip *)cmd)->addr));
}

void
show_from_lookup(ipfw_insn *cmd, int show_or)
{
	char *word = "from";
	if (show_or)
		word = "or";
	printf(" %s table %d", word, cmd->arg1);
}

void
show_from_me(ipfw_insn *cmd, int show_or)
{
	char *word = "from";
	if (show_or)
		word = "or";
	printf(" %s me", word);
}

void
show_from_mask(ipfw_insn *cmd, int show_or)
{
	int mask;
	char *word = "from";
	if (show_or)
		word = "or";
	ipfw_insn_ip *p = (ipfw_insn_ip *)cmd;
	printf(" %s %s", word, inet_ntoa(p->addr));

	mask = contigmask((u_char *)&(p->mask.s_addr), 32);
	if (mask < 32)
		printf("/%d", mask);
}

void
show_from_src_n_port(ipfw_insn *cmd, int show_or)
{
	char *word = "from";
	if (show_or)
		word = "or";
	ipfw_insn_ip *p = (ipfw_insn_ip *)cmd;
	printf(" %s %s", word, inet_ntoa(p->addr));
	printf(":%d", cmd->arg1);
}

void
show_to(ipfw_insn *cmd, int show_or)
{
	char *word = "to";
	if (show_or)
		word = "or";
	ipfw_insn_ip *p = (ipfw_insn_ip *)cmd;
	printf(" %s %s", word, inet_ntoa(p->addr));
}

void
show_to_lookup(ipfw_insn *cmd, int show_or)
{
	char *word = "to";
	if (show_or)
		word = "or";
	printf(" %s table %d", word, cmd->arg1);
}

void
show_to_me(ipfw_insn *cmd, int show_or)
{
	char *word = "to";
	if (show_or)
		word = "or";
	printf(" %s me", word);
}

void
show_to_mask(ipfw_insn *cmd, int show_or)
{
	int mask;
	char *word = "to";
	if (show_or)
		word = "or";
	ipfw_insn_ip *p = (ipfw_insn_ip *)cmd;
	printf(" %s %s", word, inet_ntoa(p->addr));

	mask = contigmask((u_char *)&(p->mask.s_addr), 32);
	if (mask < 32)
		printf("/%d", mask);
}

void
show_to_src_n_port(ipfw_insn *cmd, int show_or)
{
	char *word = "to";
	if (show_or)
		word = "or";
	printf(" %s %s", word, inet_ntoa(((ipfw_insn_ip *)cmd)->addr));
	printf(":%d", cmd->arg1);
}

void
show_proto(ipfw_insn *cmd, int show_or)
{
	struct protoent *pe;
	u_char proto = 0;
	proto = cmd->arg1;
	pe = getprotobynumber(cmd->arg1);
	printf(" %s", pe->p_name);
}

void
show_prob(ipfw_insn *cmd, int show_or)
{
	char *word = "prob";
	if (show_or)
		word = "or";
	printf(" %s %d%%", word, cmd->arg1);
}

void
show_keep_state(ipfw_insn *cmd, int show_or)
{
	printf(" keep-state");
	if (cmd->arg1 != 0) {
		char *type=match_token2(limit_types, cmd->arg3);
		printf(" limit %s %d", type, cmd->arg1);
	}
	if (cmd->arg2 != 0) {
		printf(" live %d", cmd->arg2);
	}
}

void
show_check_state(ipfw_insn *cmd, int show_or)
{
	printf(" check-state");
}

void
show_tagged(ipfw_insn *cmd, int show_or)
{
	printf(" tagged %d", cmd->arg1);
}

void
show_comment(ipfw_insn *cmd, int show_or)
{
	printf(" // %s", (char *)(cmd + 1));
}

void
show_tag(ipfw_insn *cmd, int show_or)
{
	printf(" tag %d", cmd->arg1);
}

void
show_untag(ipfw_insn *cmd, int show_or)
{
	printf(" untag %d", cmd->arg1);
}

void
load_module(register_func function, register_keyword keyword)
{
	keyword(MODULE_BASIC_ID, O_BASIC_COUNT, "count", ACTION);
	function(MODULE_BASIC_ID, O_BASIC_COUNT,
			(parser_func)parse_count, (shower_func)show_count);

	keyword(MODULE_BASIC_ID, O_BASIC_SKIPTO, "skipto", ACTION);
	function(MODULE_BASIC_ID, O_BASIC_SKIPTO,
			(parser_func)parse_skipto, (shower_func)show_skipto);

	keyword(MODULE_BASIC_ID, O_BASIC_FORWARD, "forward", ACTION);
	function(MODULE_BASIC_ID, O_BASIC_FORWARD,
			(parser_func)parse_forward, (shower_func)show_forward);

	keyword(MODULE_BASIC_ID, O_BASIC_IN, "in", FILTER);
	function(MODULE_BASIC_ID, O_BASIC_IN,
			(parser_func)parse_in, (shower_func)show_in);

	keyword(MODULE_BASIC_ID, O_BASIC_OUT, "out", FILTER);
	function(MODULE_BASIC_ID, O_BASIC_OUT,
			(parser_func)parse_out, (shower_func)show_out);

	keyword(MODULE_BASIC_ID, O_BASIC_VIA, "via", FILTER);
	function(MODULE_BASIC_ID, O_BASIC_VIA,
			(parser_func)parse_via, (shower_func)show_via);

	keyword(MODULE_BASIC_ID, O_BASIC_XMIT, "xmit", FILTER);
	function(MODULE_BASIC_ID, O_BASIC_XMIT,
			(parser_func)parse_via, (shower_func)show_via);

	keyword(MODULE_BASIC_ID, O_BASIC_RECV, "recv", FILTER);
	function(MODULE_BASIC_ID, O_BASIC_RECV,
			(parser_func)parse_via, (shower_func)show_via);

	keyword(MODULE_BASIC_ID, O_BASIC_IP_SRCPORT, "src-port", FILTER);
	function(MODULE_BASIC_ID, O_BASIC_IP_SRCPORT,
	                (parser_func)parse_src_port, (shower_func)show_src_port);

	keyword(MODULE_BASIC_ID, O_BASIC_IP_DSTPORT, "dst-port", FILTER);
	function(MODULE_BASIC_ID, O_BASIC_IP_DSTPORT,
	                (parser_func)parse_dst_port, (shower_func)show_dst_port);

	keyword(MODULE_BASIC_ID, O_BASIC_IP_SRC, "from", FROM);
	function(MODULE_BASIC_ID, O_BASIC_IP_SRC,
			(parser_func)parse_from, (shower_func)show_from);

	keyword(MODULE_BASIC_ID, O_BASIC_IP_SRC_LOOKUP, "from-[table]", FROM);
	function(MODULE_BASIC_ID, O_BASIC_IP_SRC_LOOKUP,
			(parser_func)parse_from, (shower_func)show_from_lookup);

	keyword(MODULE_BASIC_ID, O_BASIC_IP_SRC_ME, "from-[me]", FROM);
	function(MODULE_BASIC_ID, O_BASIC_IP_SRC_ME,
			(parser_func)parse_from, (shower_func)show_from_me);

	keyword(MODULE_BASIC_ID, O_BASIC_IP_SRC_MASK, "from-[mask]", FROM);
	function(MODULE_BASIC_ID, O_BASIC_IP_SRC_MASK,
			(parser_func)parse_from, (shower_func)show_from_mask);

	keyword(MODULE_BASIC_ID, O_BASIC_IP_SRC_N_PORT, "from-[ip:port]", FROM);
	function(MODULE_BASIC_ID, O_BASIC_IP_SRC_N_PORT,
			(parser_func)parse_from, (shower_func)show_from_src_n_port);

	keyword(MODULE_BASIC_ID, O_BASIC_IP_DST, "to", TO);
	function(MODULE_BASIC_ID, O_BASIC_IP_DST,
			(parser_func)parse_to, (shower_func)show_to);

	keyword(MODULE_BASIC_ID, O_BASIC_IP_DST_LOOKUP, "to-[table]", TO);
	function(MODULE_BASIC_ID, O_BASIC_IP_DST_LOOKUP,
			(parser_func)parse_to, (shower_func)show_to_lookup);

	keyword(MODULE_BASIC_ID, O_BASIC_IP_DST_ME, "to-[me]", TO);
	function(MODULE_BASIC_ID, O_BASIC_IP_DST_ME,
			(parser_func)parse_to, (shower_func)show_to_me);

	keyword(MODULE_BASIC_ID, O_BASIC_IP_DST_MASK, "to-[mask]", TO);
	function(MODULE_BASIC_ID, O_BASIC_IP_DST_MASK,
			(parser_func)parse_to, (shower_func)show_to_mask);

	keyword(MODULE_BASIC_ID, O_BASIC_IP_DST_N_PORT, "to-[ip:port]", FROM);
	function(MODULE_BASIC_ID, O_BASIC_IP_DST_N_PORT,
			(parser_func)parse_to, (shower_func)show_to_src_n_port);

	keyword(MODULE_BASIC_ID, O_BASIC_PROTO, "proto", PROTO);
	function(MODULE_BASIC_ID, O_BASIC_PROTO,
			(parser_func)parse_proto, (shower_func)show_proto);

	keyword(MODULE_BASIC_ID, O_BASIC_PROB, "prob", FILTER);
	function(MODULE_BASIC_ID, O_BASIC_PROB,
			(parser_func)parse_prob, (shower_func)show_prob);

	keyword(MODULE_BASIC_ID, O_BASIC_KEEP_STATE, "keep-state", FILTER);
	function(MODULE_BASIC_ID, O_BASIC_KEEP_STATE,
			(parser_func)parse_keep_state,
			(shower_func)show_keep_state);

	keyword(MODULE_BASIC_ID, O_BASIC_CHECK_STATE, "check-state", BEFORE);
	function(MODULE_BASIC_ID, O_BASIC_CHECK_STATE,
			(parser_func)parse_check_state,
			(shower_func)show_check_state);

	keyword(MODULE_BASIC_ID, O_BASIC_TAG, "tag", ACTION);
	function(MODULE_BASIC_ID, O_BASIC_TAG,
			(parser_func)parse_tag, (shower_func)show_tag);

	keyword(MODULE_BASIC_ID, O_BASIC_UNTAG, "untag", ACTION);
	function(MODULE_BASIC_ID, O_BASIC_UNTAG,
			(parser_func)parse_untag, (shower_func)show_untag);

	keyword(MODULE_BASIC_ID, O_BASIC_TAGGED, "tagged", FILTER);
	function(MODULE_BASIC_ID, O_BASIC_TAGGED,
			(parser_func)parse_tagged, (shower_func)show_tagged);

	keyword(MODULE_BASIC_ID, O_BASIC_COMMENT, "//", AFTER);
	function(MODULE_BASIC_ID, O_BASIC_COMMENT,
			(parser_func)parse_comment, (shower_func)show_comment);
}