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/* help.c - print the usage line */
#ifndef lint
static char ident[] = "@(#)$Id: help.c,v 1.4 1994/04/21 19:56:24 jromine Exp $";
#endif /* lint */
#include "../h/mh.h"
#include <stdio.h>
extern char *options[];
void help (str, swp)
register char *str;
register struct swit *swp;
{
int nameoutput,
len,
linepos,
outputlinelen;
register char *cp,
**ap;
printf ("syntax: %s\n", str);
printf (" switches are:\n");
printsw (ALL, swp, "-");
if ((cp = m_find (invo_name)) != NULL)
printf ("profile: %s\n", cp);
if (ssequal ("@(#)", cp = version))
cp += 4;
printf ("\nversion: %s\n", cp);
nameoutput = linepos = 0;
outputlinelen = OUTPUTLINELEN;
for (ap = options; *ap; ap++) {
if (!nameoutput) {
fprintf (stdout, "%s: ", cp = "options");
linepos += (nameoutput = strlen (cp) + 2);
}
len = strlen (cp = *ap);
if (linepos != nameoutput)
if (len + linepos + 3 > outputlinelen)
fprintf (stdout, "\n%*s", linepos = nameoutput, "");
else {
fputs (" ", stdout);
linepos++;
}
fprintf (stdout, "[%s]", cp);
linepos += len + 2;
}
if (linepos)
(void) fputc ('\n', stdout);
}
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