texinfo-find-pointer
texinfo-find-pointer is a compiled Lisp function in `texnfo-upd.el
'.
(texinfo-find-pointer BEGINNING END LEVEL DIRECTION)
Move point to section associated with next, previous, or up pointer.
Return type of pointer (either `normal' or `no-pointer').
The first and second arguments bound the search for a pointer to the
beginning and end, respectively, of the enclosing higher level
section. The third argument is a string specifying the general kind
of section such as "chapter" or "section". When looking for the
`Next' pointer, the section found will be at the same hierarchical
level in the Texinfo file; when looking for the `Previous' pointer,
the section found will be at the same or higher hierarchical level in
the Texinfo file; when looking for the `Up' pointer, the section found
will be at some level higher in the Texinfo file. The fourth argument
(one of 'next, 'previous, or 'up) specifies whether to find the
`Next', `Previous', or `Up' pointer.