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man2html.c
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man2html.c
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/*
** This program was written by Richard Verhoeven (NL:5482ZX35)
** at the Eindhoven University of Technology. Email: rcb5@win.tue.nl
**
** Permission is granted to distribute, modify and use this program
** as long as this comment is not removed or changed.
*/
/* BSD mandoc stuff added by Michael Hamilton. */
/* This program is rather buggy, but in spite of that it often works.
Improved things a little - April 1997 & January 1998 & Dec 2001 -
aeb@cwi.nl. */
#include <getopt.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdarg.h>
#include <string.h>
#include <ctype.h>
#include <sys/stat.h>
#include "defs.h"
#include "version.h"
#undef EXIT_SUCCESS
#undef EXIT_FAILURE
#define EXIT_SUCCESS 0
#define EXIT_SO_LINK 1
#define EXIT_BAD_USAGE 2
#define EXIT_BAD_INPUT 3
#define EXIT_LIMIT 4
/* BSD mandoc Bd/Ed example(?) blocks */
#define BD_LITERAL 1
#define BD_INDENT 2
#define SIZE(a) (sizeof(a)/sizeof(*a))
static char NEWLINE[2]="\n";
static char idxlabel[6] = "ixAAA";
#define INDEXFILE "/tmp/manindex.list"
char *fname;
char *directory;
FILE *idxfile;
char eqndelimopen=0, eqndelimclose=0;
char escapesym='\\', nobreaksym='\'', controlsym='.', fieldsym=0, padsym=0;
char *buffer=NULL;
int buffpos=0, buffmax=0;
int scaninbuff=0;
int still_dd=0;
int tabstops[20] = { 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 88, 96 };
int maxtstop=12;
int curpos=0;
static char *scan_troff(char *c, int san, char **result);
static char *scan_troff_mandoc(char *c, int san, char **result);
static char **argument=NULL;
static char charb[3];
static void
warning(const char *message) {
fprintf(stderr, "%s: %s\n", PROGNAME, message);
}
static void
exit_limit(const char *message) {
warning(message);
exit(EXIT_LIMIT);
}
static void
exit_bad_input(const char *message) {
warning(message);
exit(EXIT_BAD_INPUT);
}
static char *
expand_char(int nr)
{
STRDEF *h;
if (!nr)
return NULL;
h = chardef;
if (h->nr != V('*','*')) {
exit_bad_input("chardef corrupted\n");
}
for (h = chardef; h; h = h->next)
if (h->nr == nr) {
curpos += h->slen;
return h->st;
}
charb[0] = nr/256;
charb[1] = nr%256;
charb[2] = 0;
curpos += 2;
return charb;
}
static char *
expand_string(int nr)
{
STRDEF *h;
if (!nr)
return NULL;
for (h = strdef; h; h = h->next)
if (h->nr == nr) {
curpos += h->slen;
return h->st;
}
return NULL;
}
static const char *
portable_basename(const char *str) {
const char *pos;
pos = strchr(str, 0);
for (;;) {
if (pos == str) break;
if (pos[-1] == '/') break;
pos--;
}
return pos;
}
static int
looks_like_section(const char *section, const char *limit) {
const char *subsection;
size_t len;
if (!section || !limit) return 0;
/* preceded by name or html markup */
if (!(isalnum(section[-2]) || section[-2]=='>')) return 0;
len = limit - section;
/* section is n or l */
if (strchr("nl", section[0])) return len == 1;
/* ...or starts with a digit */
if (!strchr("123456789", section[0])) return 0;
if (len > 10) return 0;
/* if subsection is present, it must be all letters */
for (subsection = §ion[1]; subsection < limit; subsection++) {
if (!isalpha(*subsection))
return 0;
}
return 1;
}
static char outbuffer[1024];
static int obp=0;
static int no_newline_output=0; /* boolean, set by \c */
static int newline_for_fun=0;
static int output_possible=0;
static int out_length=0;
static const char *css_urls[16];
static void print_html_header(const char *page, const char *section) {
const char **css_urlp;
const char *css_url;
printf("<HTML>\n");
printf("<HEAD>\n");
printf("<TITLE>");
print_html_string(page);
print_html_string("(");
print_html_string(section);
print_html_string(")");
printf("</TITLE>\n");
for (css_urlp = css_urls; (css_url = *css_urlp); css_urlp++) {
printf("<LINK REL=\"stylesheet\" HREF=\"");
print_html_string(css_url);
printf("\">\n");
}
printf("</HEAD>\n");
printf("<BODY>\n");
}
static void
add_links(char *c)
{
/*
** Add the links to the output.
** At the moment the following are recognized:
**
** name(*) -> ../man?/name.*
** method://string -> method://string
** www.host.name -> http://www.host.name
** ftp.host.name -> ftp://ftp.host.name
** name@host -> mailto:name@host
** <name.h> -> file:/usr/include/name.h (guess)
**
** Other possible links to add in the future:
**
** /dir/dir/file -> file:/dir/dir/file
*/
int i,j,nr;
char *f, *g, *h;
char *idtest[6]; /* url, mailto, www, ftp, manpage, include file */
out_length+=strlen(c);
nr=0;
idtest[0]=strstr(c+1,"://");
idtest[1]=strchr(c+1,'@');
idtest[2]=strstr(c,"www.");
idtest[3]=strstr(c,"ftp.");
idtest[4]=strchr(c+1,'(');
idtest[5]=strstr(c+1,".h>");
for (i=0; i<6; i++) nr += (idtest[i]!=NULL);
while (nr) {
j=-1;
for (i=0; i<6; i++)
if (idtest[i] && (j<0 || idtest[i]<idtest[j])) j=i;
switch (j) {
case 5: /* <name.h> */
f=idtest[5];
h=f+2;
g=f;
while (g>c && g[-1]!=';') g--;
if (g!=c) {
char t;
t=*g;
*g=0;
printf("%s",c);
*g=t;*h=0;
include_file_html(g);
c=f+6;
} else {
f[5]=0;
printf("%s",c);
f[5]=';';
c=f+5;
}
break;
case 4: /* manpage? */
f=idtest[j];
/* find section - accept (1), (3F), (3Xt), (n), (l) */
g=strchr(f,')');
if (looks_like_section(f+1, g)) {
/* this might be a link */
h=f-1;
/* skip html markup */
while (h>c && *h=='>') {
while (h!=c && *h!='<') h--;
if (h!=c) h--;
}
if (isalnum(*h)) {
char t,te,tg,*e;
e=h+1;
while (h>c && (isalnum(h[-1]) || h[-1]=='_' ||
h[-1]=='-' || h[-1]=='.' || h[-1]==':'))
h--;
t=*h; *h=0;
printf("%s", c);
*h=t;
tg=*g; *g=0;
te=*e; *e=0;
print_link_page(f+1, h); /* section, page */
*e=te;
*g=tg;
c=e;
}
}
*f=0;
printf("%s", c);
*f='(';
idtest[4]=f-1;
c=f;
break; /* manpage */
case 3: /* ftp */
case 2: /* www */
g=f=idtest[j];
while (*g && (isalnum(*g) || *g=='_' || *g=='-' || *g=='+' ||
*g=='.')) g++;
if (g[-1]=='.') g--;
if (g-f>4) {
char t;
t=*f; *f=0;
printf("%s",c);
*f=t; t=*g;*g=0;
if (j==3)
ftp_html(f);
else
www_html(f);
*g=t;
c=g;
} else {
f[3]=0;
printf("%s",c);
c=f+3;
f[3]='.';
}
break;
case 1: /* mailto */
g=f=idtest[1];
while (g>c && (isalnum(g[-1]) || g[-1]=='_' || g[-1]=='-' ||
g[-1]=='+' || g[-1]=='.' || g[-1]=='%')) g--;
h=f+1;
while (*h && (isalnum(*h) || *h=='_' || *h=='-' || *h=='+' ||
*h=='.')) h++;
if (h[-1]=='.') h--;
if (h-f>4 && f-g>1) {
char t;
t=*g;
*g=0;
printf("%s",c);
*g=t;t=*h;*h=0;
mailto_html(g);
*h=t;
c=h;
} else {
*f=0;
printf("%s",c);
*f='@';
idtest[1]=c;
c=f;
}
break;
case 0: /* url */
g=f=idtest[0];
while (g>c && isalpha(g[-1]) && islower(g[-1])) g--;
h=f+3;
while (*h && !isspace(*h) && *h!='<' && *h!='>' && *h!='"' &&
*h!='&') h++;
if (f-g>2 && f-g<7 && h-f>3) {
char t;
t=*g;
*g=0;
printf("%s", c);
*g=t; t=*h; *h=0;
url_html(g);
*h=t;
c=h;
} else {
f[1]=0;
printf("%s", c);
f[1]='/';
c=f+1;
}
break;
default:
break;
}
nr=0;
if (idtest[0] && idtest[0]<c) idtest[0]=strstr(c+1,"://");
if (idtest[1] && idtest[1]<c) idtest[1]=strchr(c+1,'@');
if (idtest[2] && idtest[2]<c) idtest[2]=strstr(c,"www.");
if (idtest[3] && idtest[3]<c) idtest[3]=strstr(c,"ftp.");
if (idtest[4] && idtest[4]<c) idtest[4]=strchr(c+1,'(');
if (idtest[5] && idtest[5]<c) idtest[5]=strstr(c+1,".h>");
for (i=0; i<6; i++) nr += (idtest[i]!=NULL);
}
printf("%s", c);
}
int current_font=0;
int current_size=0;
int fillout = 1;
/*
* Kludge: remove \a - in the context
* .TH NAME 2 date "Version" "Title"
* we got output \aTitle\a.
*/
static void
out_html(char *c) {
if (!c)
return;
if (no_newline_output) { /* remove \n if present */
int i=0;
while (c[i]) {
if (!no_newline_output)
c[i-1]=c[i];
if (c[i]=='\n')
no_newline_output=0;
i++;
}
if (!no_newline_output)
c[i-1]=0;
}
if (scaninbuff) {
while (*c) {
if (buffpos >= buffmax) {
buffer = xrealloc(buffer, buffmax*2);
buffmax = buffmax*2;
}
if (*c != '\a')
buffer[buffpos++] = *c;
c++;
}
} else if (output_possible) {
while (*c) {
if (*c != '\a')
outbuffer[obp++] = *c;
if (*c == '\n' || obp > 1000) {
outbuffer[obp] = 0;
add_links(outbuffer);
obp = 0;
}
c++;
}
}
}
/* --------------------------------------------------------------- */
/* All references to dl_set and itemdepth are here. */
/* --------------------------------------------------------------- */
static size_t itemdepth=0;
static int dl_set[30]= { 0 };
#define noDL 0
#define DL 1
#define UL 2
#define OL 3
static char *dl_open[4] = { "", "<DL COMPACT>\n", "<UL>", "<OL>" };
static char *dl_close[4] = { "", "</DL>\n", "</UL>", "</OL>" };
static inline void
dl_begin(void) {
if (itemdepth < SIZE(dl_set) && dl_set[itemdepth] == noDL) {
out_html(dl_open[DL]);
dl_set[itemdepth]=DL;
}
out_html("<DT>");
}
static inline void
dl_end(void) {
if (itemdepth < SIZE(dl_set)) {
int type = dl_set[itemdepth];
if (type == DL) {
out_html(dl_close[type]);
dl_set[itemdepth]=noDL;
}
}
}
static inline void
dl_newlevel(void) {
itemdepth++;
if (itemdepth < SIZE(dl_set))
dl_set[itemdepth]=noDL;
out_html("<DL COMPACT><DT><DD>");
}
static inline void
dl_endlevel(void) {
if (itemdepth) {
dl_end();
out_html("</DL>\n");
itemdepth--;
}
}
static inline void
dl_down(void) {
while (itemdepth)
dl_endlevel();
dl_end();
}
static inline int
dl_type(int type) {
return (itemdepth < SIZE(dl_set) && dl_set[itemdepth] == type);
}
static inline void
dl_newlevel_type(int type) {
itemdepth++;
if (itemdepth < SIZE(dl_set)) {
dl_set[itemdepth]=type;
out_html(dl_open[type]);
}
}
static inline void
dl_endlevel_type(void) {
if (itemdepth) {
if (itemdepth < SIZE(dl_set))
out_html(dl_close[dl_set[itemdepth]]);
itemdepth--;
}
}
/* --------------------------------------------------------------- */
/* This stuff is broken.
It generates
<DT><B>TIOCLINUX, subcode=0<DD>
Dump the screen.
</B><I>argp</I> points to a
from
.IP "\fBTIOCLINUX, subcode=0"
Dump the screen.
\fIargp\fP points to a
Bug 1: incorrect nesting: </B> is needed before <DD>.
Bug 2: incorrect font: after the .IP things are roman again.
*/
#define FO0 ""
#define FC0 ""
#define FO1 "<I>"
#define FC1 "</I>"
#define FO2 "<B>"
#define FC2 "</B>"
#define FO3 "<TT>"
#define FC3 "</TT>"
char *switchfont[16] = { "" , FC0 FO1, FC0 FO2, FC0 FO3,
FC1 FO0, "" , FC1 FO2, FC1 FO3,
FC2 FO0, FC2 FO1, "" , FC2 FO3,
FC3 FO0, FC3 FO1, FC3 FO2, "" };
static char *
change_to_font(int nr)
{
int i;
switch (nr) {
case '0':
nr++;
/* fallthrough */
case '1':
/* fallthrough */
case '2':
/* fallthrough */
case '3':
/* fallthrough */
case '4':
nr = nr-'1'; break;
case V('C','W'): nr=3; break;
case 'L': nr=3; break;
case 'B': nr=2; break;
case 'I': nr=1; break;
case 0: case 1: case 2: case 3:
break;
case 'P': case 'R':
default: nr=0; break;
}
i= current_font*4+nr%4;
current_font=nr%4;
return switchfont[i];
}
static char sizebuf[200];
static char *
change_to_size(int nr)
{
int i;
switch (nr) {
case '0': case '1': case '2': case '3': case '4': case '5': case '6':
case '7': case '8': case '9': nr=nr-'0'; break;
case '\0': break;
default: nr=current_size+nr; if (nr>9) nr=9; if (nr< -9) nr=-9; break;
}
if (nr==current_size) return "";
i=current_font;
sizebuf[0]=0;
strcat(sizebuf, change_to_font(0));
if (current_size) strcat(sizebuf, "</FONT>");
current_size=nr;
if (nr) {
int l;
strcat(sizebuf, "<FONT SIZE=\"");
l=strlen(sizebuf);
if (nr>0) sizebuf[l++]='+'; else sizebuf[l++]='-',nr=-nr;
sizebuf[l++]=nr+'0';
sizebuf[l++]='"';
sizebuf[l++]='>';
sizebuf[l]=0;
}
strcat(sizebuf, change_to_font(i));
return sizebuf;
}
int asint=0;
int intresult=0;
#define SKIPEOL while (*c && *c++!='\n')
static int skip_escape=0;
static int single_escape=0;
static char *
scan_escape(char *c) {
char *h=NULL;
char b[5];
INTDEF *intd;
int exoutputp,exskipescape;
int i,j;
intresult=0;
switch (*c) {
case 'e': h="\\"; curpos++;break;
case '0':
case ' ': h=" ";curpos++; break;
case '|': h=""; break;
case '"': SKIPEOL; c--; h=""; break;
case '$':
if (argument) {
c++;
i=(*c -'1');
if (!(h=argument[i])) h="";
}
break;
case 'z':
c++;
if (*c=='\\') { c=scan_escape(c+1); c--;h=""; }
else {
b[0]=*c;
b[1]=0;
h="";
}
break;
case 'k': c++; if (*c=='(') c+=2;
/* fallthrough */
case '^':
case '!':
case '%':
case 'a':
case 'd':
case 'r':
case 'u':
case '\n':
case '&': h=""; break;
case '(':
c++;
i= c[0]*256+c[1];
c++;
h = expand_char(i);
break;
case '*':
c++;
if (*c=='(') {
c++;
i= c[0]*256+c[1];
c++;
} else
i= *c *256+' ';
h = expand_string(i);
break;
case 'f':
c++;
if (*c=='\\') {
c++;
c=scan_escape(c);
c--;
i=intresult;
} else if (*c != '(')
i=*c;
else {
c++;
i=c[0]*256+c[1];
c++;
}
if (!skip_escape) h=change_to_font(i); else h="";
break;
case 's':
c++;
j=0;i=0;
if (*c=='-') {j= -1; c++;} else if (*c=='+') {j=1; c++;}
if (*c=='0') c++; else if (*c=='\\') {
c++;
c=scan_escape(c);
i=intresult; if (!j) j=1;
} else
while (isdigit(*c) && (!i || (!j && i<4))) i=i*10+(*c++)-'0';
if (!j) { j=1; if (i) i=i-10; }
if (!skip_escape) h=change_to_size(i*j); else h="";
c--;
break;
case 'n':
c++;
j=0;
switch (*c) {
case '+': j=1; c++; break;
case '-': j=-1; c++; break;
default: break;
}
if (*c=='(') {
c++;
i=V(c[0],c[1]);
c=c+1;
} else {
i=V(c[0],' ');
}
intd=intdef;
while (intd && intd->nr!=i) intd=intd->next;
if (intd) {
intd->val=intd->val+j*intd->incr;
intresult=intd->val;
} else {
switch (i) {
case V('.','s'): intresult=current_size; break;
case V('.','f'): intresult=current_font; break;
default: intresult=0; break;
}
}
h="";
break;
case 'w':
c++;
i=*c;
c++;
exoutputp=output_possible;
exskipescape=skip_escape;
output_possible=0;
skip_escape=1;
j=0;
while (*c!=i) {
j++;
if (*c==escapesym) c=scan_escape(c+1); else c++;
}
output_possible=exoutputp;
skip_escape=exskipescape;
intresult=j;
break;
case 'l':
h="<HR>";
curpos=0;
/* fallthrough */
case 'b':
case 'v':
case 'x':
case 'o':
case 'L':
case 'h':
c++;
i=*c;
c++;
exoutputp=output_possible;
exskipescape=skip_escape;
output_possible=0;
skip_escape=1;
while (*c != i)
if (*c==escapesym) c=scan_escape(c+1);
else c++;
output_possible=exoutputp;
skip_escape=exskipescape;
break;
case 'c': no_newline_output=1; break;
case '{': newline_for_fun++; h="";break;
case '}': if (newline_for_fun) newline_for_fun--; h="";break;
case 'p': h="<BR>\n";curpos=0; break;
case 't': h="\t";curpos=(curpos+8)&0xfff8; break;
case '<': h="<";curpos++; break;
case '>': h=">";curpos++; break;
case '\\':
if (single_escape) {
c--;
break;
}
/* fallthrough */
default: b[0]=*c; b[1]=0; h=b; curpos++; break;
}
c++;
if (!skip_escape) out_html(h);
return c;
}
typedef struct TABLEITEM TABLEITEM;
struct TABLEITEM {
char *contents;
int size,align,valign,colspan,rowspan,font,vleft,vright,space,width;
TABLEITEM *next;
};
static TABLEITEM emptyfield = {NULL,0,0,0,1,1,0,0,0,0,0,NULL};
typedef struct TABLEROW TABLEROW;
struct TABLEROW {
TABLEITEM *first;
TABLEROW *prev, *next;
};
static char *tableopt[]= { "center", "expand", "box", "allbox", "doublebox",
"tab", "linesize", "delim", NULL };
static int tableoptl[] = { 6,6,3,6,9,3,8,5,0};
static void clear_table(TABLEROW *table)
{
TABLEROW *tr1,*tr2;
TABLEITEM *ti1,*ti2;
tr1=table;
while (tr1->prev) tr1=tr1->prev;
while (tr1) {
ti1=tr1->first;
while (ti1) {
ti2=ti1->next;
if (ti1->contents) free(ti1->contents);
free(ti1);
ti1=ti2;
}
tr2=tr1;
tr1=tr1->next;
free(tr2);
}
}
char *scan_expression(char *c, int *result);
static char *scan_format(char *c, TABLEROW **result, int *maxcol)
{
TABLEROW *layout, *currow;
TABLEITEM *curfield;
int i,j;
if (*result) {
clear_table(*result);
}
layout= currow=(TABLEROW*) xmalloc(sizeof(TABLEROW));
currow->next=currow->prev=NULL;
currow->first=curfield=(TABLEITEM*) xmalloc(sizeof(TABLEITEM));
*curfield=emptyfield;
while (*c && *c!='.') {
switch (*c) {
case 'C': case 'c': case 'N': case 'n':
case 'R': case 'r': case 'A': case 'a':
case 'L': case 'l': case 'S': case 's':
case '^': case '_':
if (curfield->align) {
curfield->next=(TABLEITEM*)xmalloc(sizeof(TABLEITEM));
curfield=curfield->next;
*curfield=emptyfield;
}
curfield->align=toupper(*c);
c++;
break;
case 'i': case 'I': case 'B': case 'b':
curfield->font = toupper(*c);
c++;
break;
case 'f': case 'F':
c++;
curfield->font = toupper(*c);
c++;
if (!isspace(*c)) c++;
break;
case 't': case 'T': curfield->valign='t'; c++; break;
case 'p': case 'P':
c++;
i=j=0;
if (*c=='+') { j=1; c++; }
if (*c=='-') { j=-1; c++; }
while (isdigit(*c)) i=i*10+(*c++)-'0';
if (j) curfield->size= i*j; else curfield->size=j-10;
break;
case 'v': case 'V':
case 'w': case 'W':
// c=scan_expression(c+2,&curfield->width);
c++;
if (*c == '(') {
c=scan_expression(c+1,&curfield->width);
} else {
i=0;
while (isdigit(*c)) i=i*10+(*c++)-'0';
curfield->width=i;
}
break;
case '|':
if (curfield->align) curfield->vleft++;
else curfield->vright++;
c++;
break;
case 'e': case 'E':
c++;
break;
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
i=0;
while (isdigit(*c)) i=i*10+(*c++)-'0';
curfield->space=i;
break;
case ',': case '\n':
currow->next=(TABLEROW*)xmalloc(sizeof(TABLEROW));
currow->next->prev=currow;
currow=currow->next;
currow->next=NULL;
curfield=currow->first=(TABLEITEM*)xmalloc(sizeof(TABLEITEM));
*curfield=emptyfield;
c++;
break;
default:
c++;
break;
}
}
if (*c=='.') while (*c++!='\n');
*maxcol=0;
currow=layout;
while (currow) {
curfield=layout->first;
i=0;
while (curfield) {
i++;
curfield=curfield->next;
}
if (i>*maxcol) *maxcol=i;
currow=currow->next;
}
*result=layout;
return c;
}
static TABLEROW *
next_row(TABLEROW *tr)
{
if (tr->next) {
tr=tr->next;
if (!tr->next) next_row(tr);
return tr;
} else {
TABLEITEM *ti, *ti2;
tr->next=(TABLEROW*)xmalloc(sizeof(TABLEROW));
tr->next->prev=tr;
ti=tr->first;
tr=tr->next;
tr->next=NULL;
if (ti) tr->first=ti2=(TABLEITEM*) xmalloc(sizeof(TABLEITEM));
else tr->first=ti2=NULL;
while (ti!=ti2) {
*ti2=*ti;
ti2->contents=NULL;
if ((ti=ti->next)) {
ti2->next=(TABLEITEM*) xmalloc(sizeof(TABLEITEM));
}
ti2=ti2->next;
}
return tr;
}
}
char itemreset[20]="\\fR\\s0";
static char *
scan_table(char *c) {
char *h;
char *g;
int center=0, expand=0, box=0, border=0, linesize=1;
int i,j,maxcol=0, finished=0;
int oldfont, oldsize,oldfillout;
char itemsep='\t';
TABLEROW *layout=NULL, *currow;
TABLEITEM *curfield;
while (*c++!='\n'); /* skip TS */
h=c;
if (*h=='.') return c-1;
oldfont=current_font;
oldsize=current_size;
oldfillout=fillout;
out_html(change_to_font(0));
out_html(change_to_size(0));
if (!fillout) {
fillout=1;
out_html("</PRE>");
}
while (*h && *h!='\n') h++;
if (h[-1]==';') {
/* scan table options */
while (c<h) {
while (isspace(*c)) c++;
for (i=0; tableopt[i] && strncmp(tableopt[i],c,tableoptl[i]);i++);
c=c+tableoptl[i];
switch (i) {
case 0: center=1; break;
case 1: expand=1; break;
case 2: box=1; break;
case 3: border=1; break;
case 4: box=2; break;
case 5: while (*c++!='('); itemsep=*c++; break;
case 6: while (*c++!='('); linesize=0;
while (isdigit(*c)) linesize=linesize*10+(*c++)-'0';
break;
case 7: while (*c!=')') c++;
default: break;
}
c++;
}
c=h+1;
}
/* scan layout */
c=scan_format(c,&layout, &maxcol);
currow=layout;