Problems adding remort patch to quickmud

Interp.h
DECLARE_DO_FUN( do_history );
DECLARE_DO_FUN( do_lookhist );

Interp.C
{ "history",    do_history,     POS_SLEEPING,   0,  LOG_NORMAL, 1 },
{ "lookhist",   do_lookhist,    POS_SLEEPING,   0,  LOG_NORMAL, 1 },

In Save.c
void fwrite_char( CHAR_DATA *ch, FILE *fp )
   if (ch->pcdata->history[0] != '\0' )
	fprintf( fp, "Hist %s~\n", ch->pcdata->history );

bool load_char_obj( DESCRIPTOR_DATA *d, char *name )
	ch->pcdata->history	= str_dup( "" );

fread_char( CHAR_DATA *ch, FILE *fp )
CASE 'H':
KEYS( "Hist",	ch->pcdata->history, fread_string( fp ) );

MERC.H -> in the pcdata structure
char *			history;

act_info.c

void do_history( CHAR_DATA *ch, char *argument )
{
    char buf[MSL], arg[MIL];

    if ( argument[0] != '\0' )
    {
	buf[0] = '\0';
	smash_tilde( argument );

    	if (argument[0] == '-')
    	{
            int len;
            bool found = FALSE;

            if (ch->pcdata->history == NULL || ch->pcdata->history[0] == '\0')
            {
                send_to_char("No lines left to remove.\n\r",ch);
                return;
            }

  			strcpy(buf,ch->pcdata->history);

            for (len = strlen(buf); len > 0; len--)
            {
                if (buf[len] == '\r')
                {
                    if (!found)  /* back it up */
                    {
                        if (len > 0)
                            len--;
                        found = TRUE;
                    }
                    else /* found the second one */
                    {
                        buf[len + 1] = '\0';
						free_string(ch->pcdata->history);
						ch->pcdata->history = str_dup(buf);
						send_to_char( "Your history is:\n\r", ch );
						page_to_char( ch->pcdata->history ? ch->pcdata->history :
						    "(None).\n\r", ch );
                        return;
                    }
                }
            }
            buf[0] = '\0';
			free_string(ch->pcdata->history);
			ch->pcdata->history = str_dup(buf);
			send_to_char("{RHistory cleared.{x\n\r",ch);
			return;
        }

		if ( argument[0] == '+' )
		{
		    if ( ch->pcdata->history != NULL )
				strcat( buf, ch->pcdata->history );

			argument++;

			while ( isspace(*argument) )
				argument++;
		}

    argument = one_argument( argument, arg );
    smash_tilde( argument );

    if ( !str_cmp( arg, "write") )
	{
		if ( argument[0] == '\0' )
	            string_append( ch, &ch->pcdata->history );
	    return;
	}

		if ( strlen(buf) >= 4096)
		{
			send_to_char( "History too long.\n\r", ch );
			return;
		}

		strcat( buf, argument );
		strcat( buf, "\n\r" );
		free_string( ch->pcdata->history );
		ch->pcdata->history = str_dup( buf );
	}

    send_to_char( "Your history is:\n\r", ch );
    page_to_char( ch->pcdata->history ? ch->pcdata->history : "(None).\n\r", ch );
    return;
}

void do_lookhist( CHAR_DATA *ch, char *argument )
{
  char arg1[MIL];
  CHAR_DATA *victim;

  argument = one_argument (argument, arg1);

  if (arg1[0] == '\0')
  {
      stc ("{rWhos history do you want to read?{x\n\r", ch);
      return;
  }

  if ((victim = get_char_world (ch, arg1)) == NULL)
  {
      stc ("{rThey aren't here.{x\n\r", ch);
      return;
  }

    stc( "Thier history is:\n\r", ch );
    page_to_char( victim->pcdata->history ? victim->pcdata->history : "(None).\n\r", ch );
    return;

}

In MERC.H add this in the pcdata structure
     char *			history;