N	[0-9]

PC	[^\"]

AN      [A-Z_a-z0-9]

%%

command_table	return l_command_table();

request		return l_request();

unimplemented	return l_unimplemented();

end		return l_end();

[\t\n ]		;

\"{PC}*\"	return l_quoted_string();

{AN}*		return l_string();

#.*\n		;

.		return (*yytext);

%%

/*

 * User-subroutines section.

 *

 * Have to put all this stuff here so that the include file

 * from YACC output can be included, since LEX doesn't allow

 * an include file before the code it generates for the above

 * rules.

 *

 * Copyright 1987 by MIT Student Information Processing Board.

 *

 * For copyright info, see mit-sipb-copyright.h.

 */

#include <string.h>

#include "ct.tab.h"

#ifndef HAS_STRDUP

extern char *strdup();

#endif

extern char *last_token;

static l_command_table()

{

     last_token = "command_table";

     return COMMAND_TABLE;

}

static l_request()

{

     last_token = "request";

     return REQUEST;

}

static l_unimplemented()

{

     last_token = "unimplemented";

     return UNIMPLEMENTED;

}

static l_end()

{

     last_token = "end";

     return END;

}

static l_quoted_string()

{

     char *p;

     yylval.dynstr = strdup(yytext+1);

     if (p=strrchr(yylval.dynstr, '"'))

	  *p='\0';

     last_token = strdup(yylval.dynstr);

     return STRING;

}

static l_string()

{

     yylval.dynstr = strdup(yytext);

     last_token = strdup(yylval.dynstr);

     return STRING;

}