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Re: tn3270, mset and map3270

On 28/02/2010 23:17, ITOH Yasufumi wrote:

3. implement termcap as an emulation on terminfo
 terminfo programs:
 terminfo database ------------------+
 termcap database -> (cap to info) -+-> program
 termcap programs:
 terminfo database ------------------+
 termcap database -> (cap to info) -+-> (info to cap) -> program
Why you are going to most complex implementation (3)?

It's not as complex as you make out.
Both termcap(3) and terminfo(3) calls return data from the terminfo database. As every program pass this to tgoto(3) for termcap, or tputs(3) for terminfo the diagram goes like this 
terminfo programs:
terminfo database ----> program
termcap programs:
terminfo database ----> program
Why don't you go and readup on what I've implemented, as you're making assumptions about how it must work and how complex it must be which is definitely not the case. 
Thanks
Roy
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