@c "fn/fzscan.texi"
@c extracted from "../../lib/libchpfn/io.cc"
@c by "$(top_srcdir)/scripts/extract_texinfo.awk".

@deffn Function fzscan file
@deffnx Function fdzscan file
Read the next integer from input file @var{file}.  
Expects integer in decimal. 
Automatically opens new input file stream when referenced first time.  
@end deffn

