lex_by_file( FileName ) :- %{ #include<stdio.h> %} %% %% void mian() { printf("\n enter a charcater "); yylex(); } int yywrap() { return 1; }
a
Standard output is empty
ERROR: /home/vfpSJW/prog:16:2: Syntax error: Unexpected end of file ERROR: '$runtoplevel'/0: Undefined procedure: program/0 Exception: (3) program ? EOF: exit