robodoc

Code reference program similar to cxref that produces HTML

A source code documentation tool for C, C++, Fortran, Perl, shell scripts, Assembler, DCL, DB/C, Tcl/Tk, Forth, Lisp, COBOL, Occam, Basic, HTML, Clarion, and more. It can produce documentation in HTML, XML DocBook, TROFF, ASCII, LaTeX or RTF format.