575 step_command (char *count_string, int from_tty)  in step_command()  argument
577   step_1 (0, 0, count_string);  in step_command()
583 next_command (char *count_string, int from_tty)  in next_command()  argument
585   step_1 (1, 0, count_string);  in next_command()
591 stepi_command (char *count_string, int from_tty)  in stepi_command()  argument
593   step_1 (0, 1, count_string);  in stepi_command()
597 nexti_command (char *count_string, int from_tty)  in nexti_command()  argument
599   step_1 (1, 1, count_string);  in nexti_command()
609 step_1 (int skip_subroutines, int single_inst, char *count_string)  in step_1()  argument
618   if (count_string)  in step_1()
619     async_exec = strip_bg_char (&count_string);  in step_1()
634   count = count_string ? parse_and_eval_long (count_string) : 1;  in step_1()