</TERM>
<LISTITEM>
<PARA>A string of connection options, each written in the form keyword = value.
+A list of valid options can be found in <filename>libpq</>'s
+<function>PQconnectdb()</> manual entry.
</PARA>
</LISTITEM>
</VARLISTENTRY>
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<chapter id="libpqplusplus">
<para>
The following environment variables can be used to select default
- connection parameter values, which will be used by PQconnectdb or
- PQsetdbLogin if no value is directly specified by the calling code.
+ connection parameter values, which will be used by
+ <function>PQconnectdb</> or
+ <function>PQsetdbLogin</> if no value is directly specified by the calling code.
These are useful to avoid hard-coding database names into simple
application programs.
<note>
<para>
- <filename>libpq++</filename> uses only environment variables or PQconnectdb
+ <filename>libpq++</filename> uses only environment variables or
+ <filename>libpq</>'s <function>PQconnectdb</>
conninfo style strings.
</para>
</note>