%{
#include <stdio.h>
%}
 
// Define patterns for tokens
%%
[ \t\n]+                ;   // Ignore spaces, tabs, and newlines
int|float|if|else|while|return   { printf("Keyword: %s\n", yytext); }
[0-9]+                  { printf("Number: %s\n", yytext); }
[a-zA-Z_][a-zA-Z0-9_]*  { printf("Identifier: %s\n", yytext); }
"+"|"-"|"*"|"/"|"="     { printf("Operator: %s\n", yytext); }
";"|"("|")"|"{"|"}"     { printf("Delimiter: %s\n", yytext); }
.                       { printf("Unknown: %s\n", yytext); }
%%
 
// Main function
int main() {
    yylex();   // Start lexical analysis
    return 0;
}
 

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