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CS456 - Systems Programming

Spring 2025

Displaying ./code/lexyacc/example1.l

/*

Compile with :
> lex example1.l
> gcc lex.yy.c -o example1 -lfl
this is modified from the original tutorial
*/

%{
#include <stdio.h>
#include <stdlib.h>
%}

%%
stop	printf("Stop command received\n");
start	printf("Start command received\n");
hello   printf("Hello, world!\n");
exit    exit(0);
%%