rl_line_buffer    252 ext/readline/readline.c 		add_assoc_string(return_value,"line_buffer",SAFE_STRING(rl_line_buffer));
rl_line_buffer    270 ext/readline/readline.c 			oldstr = rl_line_buffer;
rl_line_buffer    274 ext/readline/readline.c 				rl_line_buffer = strdup(Z_STRVAL_P(value));