%{ #include <stdio.h> %} %% .|\n { printf("Hello World\n"); exit(0); } %% int main() { yylex(); return 0; }
Standard input is empty
Standard output is empty
ERROR: /home/WcNIQt/prog:12:1: Syntax error: Unexpected end of file ERROR: '$runtoplevel'/0: Undefined procedure: program/0 Exception: (3) program ? EOF: exit