%{
/*
Puts in uppercase the reserved words outside comments in a C program


Keywords:

auto|break|case|char|const|continue|default|do|double|else|enum|extern|float|for|goto|if|int|long|register|return|short|signed|sizeof|static|struct|switch|typedef|
union|unsigned|void|volatile|while

*/
#include <stdio.h>
%}

%%
\/\/[^\n]*      ECHO;
\/\*[^\*\/]*    ECHO;

[^a-zA-Z0-9]auto[^a-zA-Z0-9]|[^a-zA-Z0-9]break[^a-zA-Z0-9]|[^a-zA-Z0-9]case[^a-zA-Z0-9]|[^a-zA-Z0-9]char[^a-zA-Z0-9]|[^a-zA-Z0-9]const[^a-zA-Z0-9]|[^a-zA-Z0-9]continue[^a-zA-Z0-9]|[^a-zA-Z0-9]default[^a-zA-Z0-9]|[^a-zA-Z0-9]do[^a-zA-Z0-9]|[^a-zA-Z0-9]double[^a-zA-Z0-9]|[^a-zA-Z0-9]else[^a-zA-Z0-9]|[^a-zA-Z0-9]enum[^a-zA-Z0-9]|[^a-zA-Z0-9]extern[^a-zA-Z0-9]|[^a-zA-Z0-9]float[^a-zA-Z0-9]|[^a-zA-Z0-9]for[^a-zA-Z0-9]|[^a-zA-Z0-9]goto[^a-zA-Z0-9]|[^a-zA-Z0-9]if[^a-zA-Z0-9]|[^a-zA-Z0-9]int[^a-zA-Z0-9]|[^a-zA-Z0-9]long[^a-zA-Z0-9]|[^a-zA-Z0-9]register[^a-zA-Z0-9]|[^a-zA-Z0-9]return[^a-zA-Z0-9]|[^a-zA-Z0-9]short[^a-zA-Z0-9]|[^a-zA-Z0-9]signed[^a-zA-Z0-9]|[^a-zA-Z0-9]sizeof[^a-zA-Z0-9]|[^a-zA-Z0-9]static[^a-zA-Z0-9]|[^a-zA-Z0-9]struct[^a-zA-Z0-9]|[^a-zA-Z0-9]switch[^a-zA-Z0-9]|[^a-zA-Z0-9]typedef[^a-zA-Z0-9]|[^a-zA-Z0-9]union[^a-zA-Z0-9]|[^a-zA-Z0-9]unsigned[^a-zA-Z0-9]|[^a-zA-Z0-9]void[^a-zA-Z0-9]|[^a-zA-Z0-9]volatile[^a-zA-Z0-9]|[^a-zA-Z0-9]while[^a-zA-Z0-9]        {
                int i;
                for(i=0;i<yyleng;i++){
                    char c = yytext[i];
                    if(c>=97  && c<=122)
                        printf("%c",toupper(c));
                    else
                        printf("%c",toupper(c));
                }
            }
[^a-zA-Z0-9]auto|[^a-zA-Z0-9]break|[^a-zA-Z0-9]case|[^a-zA-Z0-9]char|[^a-zA-Z0-9]const|[^a-zA-Z0-9]continue|[^a-zA-Z0-9]default|[^a-zA-Z0-9]do|[^a-zA-Z0-9]double|[^a-zA-Z0-9]else|[^a-zA-Z0-9]enum|[^a-zA-Z0-9]extern|[^a-zA-Z0-9]float|[^a-zA-Z0-9]for|[^a-zA-Z0-9]goto|[^a-zA-Z0-9]if|[^a-zA-Z0-9]int|[^a-zA-Z0-9]long|[^a-zA-Z0-9]register|[^a-zA-Z0-9]return|[^a-zA-Z0-9]short|[^a-zA-Z0-9]signed|[^a-zA-Z0-9]sizeof|[^a-zA-Z0-9]static|[^a-zA-Z0-9]struct|[^a-zA-Z0-9]switch|[^a-zA-Z0-9]typedef|[^a-zA-Z0-9]union|[^a-zA-Z0-9]unsigned|[^a-zA-Z0-9]void|[^a-zA-Z0-9]volatile|[^a-zA-Z0-9]while        {
                int i;
                for(i=0;i<yyleng;i++){
                    char c = yytext[i];
                    if(c>=97  && c<=122)
                        printf("%c",toupper(c));
                    else
                        printf("%c",toupper(c));
                }
            }
[\r\n|\n]auto[^a-zA-Z0-9]|[\r\n|\n]break[^a-zA-Z0-9]|[\r\n|\n]case[^a-zA-Z0-9]|[\r\n|\n]char[^a-zA-Z0-9]|[\r\n|\n]const[^a-zA-Z0-9]|[\r\n|\n]continue[^a-zA-Z0-9]|[\r\n|\n]default[^a-zA-Z0-9]|[\r\n|\n]do[^a-zA-Z0-9]|[\r\n|\n]double[^a-zA-Z0-9]|[\r\n|\n]else[^a-zA-Z0-9]|[\r\n|\n]enum[^a-zA-Z0-9]|[\r\n|\n]extern[^a-zA-Z0-9]|[\r\n|\n]float[^a-zA-Z0-9]|[\r\n|\n]for[^a-zA-Z0-9]|[\r\n|\n]goto[^a-zA-Z0-9]|[\r\n|\n]if[^a-zA-Z0-9]|[\r\n|\n]int[^a-zA-Z0-9]|[\r\n|\n]long[^a-zA-Z0-9]|[\r\n|\n]register[^a-zA-Z0-9]|[\r\n|\n]return[^a-zA-Z0-9]|[\r\n|\n]short[^a-zA-Z0-9]|[\r\n|\n]signed[^a-zA-Z0-9]|[\r\n|\n]sizeof[^a-zA-Z0-9]|[\r\n|\n]static[^a-zA-Z0-9]|[\r\n|\n]struct[^a-zA-Z0-9]|[\r\n|\n]switch[^a-zA-Z0-9]|[\r\n|\n]typedef[^a-zA-Z0-9]|[\r\n|\n]union[^a-zA-Z0-9]|[\r\n|\n]unsigned[^a-zA-Z0-9]|[\r\n|\n]void[^a-zA-Z0-9]|[\r\n|\n]volatile[^a-zA-Z0-9]|[\r\n|\n]while[^a-zA-Z0-9]      {
                int i;
                for(i=0;i<yyleng;i++){
                    char c = yytext[i];
                    if(c>=97  && c<=122)
                        printf("%c",toupper(c));
                    else
                        printf("%c",toupper(c));
                }
            }


.|\n        ECHO;
%%
/* recommended to always declara
funcao yywrap() */
int yywrap ();
main()
{    yylex(); return 0;     }
int yywrap() {
return 1;
}