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<chapter id="libpq">

that is not the name of the machine at <literal>hostaddr</>.) Also,

<literal>host</> rather than <literal>hostaddr</> is used to identify

the connection in <filename>$HOME/.pgpass</> (or

<filename>%USERPROFILE%/.pgpass</> on Win32).

<filename>%USERPROFILE%\.pgpass</> on Win32).

</para>

<para>

Without either a host name or host address,