int (*complete_get_elt)(cmdline_parse_token_hdr_t *, int, char *, unsigned int);
/** get help for this token (token, dstbuf, size) */
int (*get_help)(cmdline_parse_token_hdr_t *, char *, unsigned int);
int (*complete_get_elt)(cmdline_parse_token_hdr_t *, int, char *, unsigned int);
/** get help for this token (token, dstbuf, size) */
int (*get_help)(cmdline_parse_token_hdr_t *, char *, unsigned int);