cidentifier.l

lex files for given decription used as assignment in compiler design

%{
/* example for verb and article
*/
%}
#include<stdio.h>
%%

[\t ]+
auto
break |
char |
case |
const |
continue |
default |
do |
double |
else |
does |
enum |
extern |
float |
for |
goto |
if |
int |
long |
register |
return |
short |
signed |
sizeof |
static |
struct |
switch |
typedef |
union |
unsigned |
void |
volatile |
while { printf("%s: The given word is the C language keyword\n",yytext);}


[a-zA-Z]+ { printf("%s: The given word is not a keyword\n",yytext);}

.|\n  {ECHO;}

%%
main()
{
	yylex();
}