void install_default(enum node_type);
void install_element(enum node_type, struct cmd_element *);
void install_element_ve(struct cmd_element *cmd);
void install_default(enum node_type);
void install_element(enum node_type, struct cmd_element *);
void install_element_ve(struct cmd_element *cmd);
/* Concatenates argv[shift] through argv[argc-1] into a single NUL-terminated
string with a space between each element (allocated using
/* Concatenates argv[shift] through argv[argc-1] into a single NUL-terminated
string with a space between each element (allocated using