C++ and v7.3.2

Hello all,

I have just started working with C++ and am trying to get it to compile an
app for PGSQL and well it has errors:
I am using the test files that came with 7.2.1 (they did not work with
7.2.1 either)

any thoughts?

c++ testlibpq0.cc -o test.app
In file included from pgsql/libpq++.h:27,
from testlibpq0.cc:18:
pgsql/libpq++/pgconnection.h:86: ISO C++ forbids declaration of
`string' with no type
pgsql/libpq++/pgconnection.h:86: parse error before `('
In file included from pgsql/libpq++.h:29,
from testlibpq0.cc:18:
pgsql/libpq++/pglobject.h:42: syntax error before `;'
pgsql/libpq++/pglobject.h:61: syntax error before `('
In file included from pgsql/libpq++.h:31,
from testlibpq0.cc:18:
pgsql/libpq++/pgcursordb.h:53: `string' was not declared in this scope
pgsql/libpq++/pgcursordb.h:53: parse error before `,'
pgsql/libpq++/pgcursordb.h:62: `string' was not declared in this scope
pgsql/libpq++/pgcursordb.h:62: parse error before `)'
pgsql/libpq++/pgcursordb.h:65: `string' was not declared in this scope
pgsql/libpq++/pgcursordb.h:65: parse error before `,'
pgsql/libpq++/pgcursordb.h:68: syntax error before `;'
pgsql/libpq++/pgcursordb.h: In method `const char *PgCursor::Cursor ()
const':
pgsql/libpq++/pgcursordb.h:59: `pgCursor' undeclared (first use this
function)
pgsql/libpq++/pgcursordb.h:59: (Each undeclared identifier is reported
only once for each function it appears in.)
pgsql/libpq++/pgcursordb.h: In method `void PgCursor::Cursor (...)':
pgsql/libpq++/pgcursordb.h:62: `cursor' undeclared (first use this
function)
testlibpq0.cc: In function `int main ()':
testlibpq0.cc:34: `string' undeclared (first use this function)
testlibpq0.cc:34: parse error before `;'
testlibpq0.cc:40: `buf' undeclared (first use this function)
testlibpq0.cc:40: `getline' undeclared (first use this function)