HAVE_RL_CALLBACK_READ_CHAR   55 ext/readline/readline.c #if HAVE_RL_CALLBACK_READ_CHAR
HAVE_RL_CALLBACK_READ_CHAR  110 ext/readline/readline.c #if HAVE_RL_CALLBACK_READ_CHAR
HAVE_RL_CALLBACK_READ_CHAR  142 ext/readline/readline.c #if HAVE_RL_CALLBACK_READ_CHAR
HAVE_RL_CALLBACK_READ_CHAR  191 ext/readline/readline.c #if HAVE_RL_CALLBACK_READ_CHAR
HAVE_RL_CALLBACK_READ_CHAR  560 ext/readline/readline.c #if HAVE_RL_CALLBACK_READ_CHAR