%{ #include <stdio.h> %} %% [A-Z] { printf("%c", yytext[0] + 32); } . { printf("%s", yytext); } %% int main() { yylex(); return 0; } int yywrap() { return 1; }
Standard input is empty
Standard output is empty
ERROR: /home/iTcKuw/prog:2:1: Syntax error: Operator expected ERROR: /home/iTcKuw/prog:17:0: Syntax error: Unexpected end of file ERROR: '$runtoplevel'/0: Undefined procedure: program/0 Exception: (3) program ? EOF: exit