64         int count = shell_readline(kb_fd, input_buffer);  in main_loop()  local
65         if (!count || current_command_index < count_history - 1)  in main_loop()
67         if (count)  in main_loop()
76         if (count)  in main_loop()
110 void clear_command(int count, char *buf)  in clear_command()  argument
112     for (int i = 0; i < count; i++)  in clear_command()
155     int count = 0;  in shell_readline()  local
173                     clear_command(count, buf);  in shell_readline()
174                     count = 0;  in shell_readline()
177                     count = strlen(buf);  in shell_readline()
187                     clear_command(count, buf);  in shell_readline()
188                     count = 0;  in shell_readline()
191                     count = strlen(buf);  in shell_readline()
202             if (count > 0 && current_command_index >= count_history)  in shell_readline()
209             return count;  in shell_readline()
216                 if (count > 0)  in shell_readline()
222                     buf[--count] = 0;  in shell_readline()
230                 buf[count++] = key;  in shell_readline()
235             if (count > 0 && current_command_index >= count_history)  in shell_readline()
240             else if (count > 0)  in shell_readline()
248         if (count >= INPUT_BUFFER_SIZE - 1)  in shell_readline()
251             return count;  in shell_readline()