Cannot login, with C/C++ program

[Daniel <danwgrace@xxxxxxxxx>]

I have written a C/C++ program that trys to log into a local
PostgreSQL database.  Here is the code:

  pg_conn = PQconnectdb(
    "hostaddr = '127.0.0.1' port = '' dbname = 'TBDB' user = 'sysdba'
password = 'stelmo777' connect_timeout = '10'");
  if (!pg_conn)
  {
	return false;
  }
  if (PQstatus(pg_conn) != CONNECTION_OK)
  {
	return false;  // <- execution reaches here.

I checked the database, user and password by logging in with psql.
What could be wrong?

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