On Mon, 16 Jan 2023 19:50:34 +0100
Giuliano Colla via fpc-pascal <fpc-pascal@lists.freepascal.org> wrote:
> I stumbled into a problem I don't understand.
>
> I'm developing a little program for an ftp client. In order to
> connect to the site I need the site address from the site name, and
> the libc gethostbyname() provides the required information.
>
> gethostbyname returns a PHostEnt type which is declared as:
>
> > THostEnt = packed record
> > h_name: PChar; { Official name of host. }
> > h_aliases: PPChar; { Alias list. }
> > h_addrtype: Integer; { Host address type. }
> > h_length: socklen_t; { Length of address. }
> > case Byte of
> > 0: (h_addr_list: PPChar); { List of addresses from name
> > server. }
> > 1: (h_addr: PPChar); { Address, for backward
> > compatibility. }
> > end;
> > PHostEnt = ^THostEnt;
> Actually the chars h_addr points to are /hlength/ bytes to be
> interpreted as an /in_addr/
Then either
Addr := Pin_addr(HostEnt.h_addr)^;
or
Addr := Pin_addr(HostEnt.h_addr^)^;
Mattias
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