rem: struct debugger_command *cmd;
add: debugger_command *command, *specified = NULL;
context: cmd_help(int argc, char **argv){	struct debugger_command *cmd;	dprintf("debugger commands:\n");	cmd = sCommands;	while (cmd != NULL) {		dprintf(" %-32s\t\t%s\n", cmd->name, cmd->description ? cmd->description : "");		cmd = cmd->next;	}	return 0;}