%{ #include <stdio.h> %} %% abc printf("ABC"); // Convert 'abc' to 'ABC' .|\n printf("%c", yytext[0]); // Print any other character as it is %% int main() { yylex(); return 0; }
Standard input is empty
Standard output is empty
ERROR: /home/9o4unx/prog:13:1: Syntax error: Unexpected end of file ERROR: '$runtoplevel'/0: Undefined procedure: program/0 Exception: (3) program ? EOF: exit