/^# line/d
/char \*malloc();/d
/#line.*stdin.*$/d
/#line.*lexyy.*$/d
/#line.*lex.yy.*$/d
/int free();/d
/int read();/d
s=//.*$==
s/fopen$//
s/extern int yywrap YY_PROTO(( void ));/int yywrap YY_PROTO(( void )){return 1;}/
