void Parser_printhelp(char *); /* Detailed help routine */
void Parser_exit(int, char **); /* Shuts down command parser */
int Parser_execarg(int argc, char **argv, command_t cmds[]);
-int execute_line(char * line);
int Parser_list_commands(const command_t *cmdlist, char *buffer,
size_t buf_size, const char *parent_cmd,
int col_start, int col_num);