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#include <u.h>
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#include <libc.h>
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#include <bio.h>
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#include "modem.h"
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int
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initfaxmodem(Modem *m)
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{
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	m->fax = 1;
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	m->phase = 'A';
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	m->valid = 0;
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	return Eok;
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}
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static int
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parameters(long a[], char *s)
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{
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	char *p;
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	int i;
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	i = 0;
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	if((p = strchr(s, ':')) == 0)
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		return 0;
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	p++;
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	while(s = strchr(p, ',')){
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		a[i++] = strtol(p, 0, 10);
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		p = s+1;
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	}
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	if(p)
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		a[i++] = strtol(p, 0, 10);
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	return i;
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}
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int
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fcon(Modem *m)
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{
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	verbose("fcon: %s", m->response);
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	if(m->fax == 0 || m->phase != 'A')
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		return Rrerror;
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	m->phase = 'B';
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	return Rcontinue;
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}
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int
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ftsi(Modem *m)
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{
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	char *p, *q;
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	verbose("ftsi: %s", m->response);
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	if((p = strchr(m->response, '"')) == 0 || (q = strrchr(p+1, '"')) == 0)
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		return Rrerror;
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	while(*++p == ' ')
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		;
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	*q = 0;
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	if((m->valid &  Vftsi) == 0){
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		strncpy(m->ftsi, p, sizeof(m->ftsi)-1);
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		m->valid |= Vftsi;
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	}
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	return Rcontinue;
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}
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int
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fdcs(Modem *m)
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{
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	verbose("fdcs: %s", m->response);
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	parameters(m->fdcs, m->response);
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	m->valid |= Vfdcs;
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	return Rcontinue;
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}
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int
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fcfr(Modem *m)
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{
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	verbose("fcfr: %s", m->response);
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	if(m->fax == 0)
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		return Rrerror;
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	/* ???? */
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	return Rcontinue;
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}
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int
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fpts(Modem *m)
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{
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	verbose("fpts: %s", m->response);
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	if(m->fax == 0)
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		return Rrerror;
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	parameters(m->fpts, m->response);
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	m->valid |= Vfpts;
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	return Rcontinue;
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}
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int
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fet(Modem *m)
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{
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	char *p;
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	verbose("fet: %s", m->response);
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	if(m->fax == 0 || (p = strchr(m->response, ':')) == 0)
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		return Rrerror;
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	m->fet = strtol(p+1, 0, 10);
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	m->valid |= Vfet;
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	return Rcontinue;
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}
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int
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fhng(Modem *m)
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{
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	char *p;
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	verbose("fhng: %s", m->response);
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	if(m->fax == 0 || (p = strchr(m->response, ':')) == 0)
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		return Rrerror;
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	m->fhng = strtol(p+1, 0, 10);
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	m->valid |= Vfhng;
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	return Rhangup;
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}