#include "libpq-fe.h" extern const char *progname; extern char *connection_string; extern char *dbhost; extern char *dbuser; extern char *dbport; extern int dbgetpassword; /* Connection kept global so we can disconnect easily */ extern PGconn *conn; #define disconnect_and_exit(code) \ { \ if (conn != NULL) PQfinish(conn); \ exit(code); \ } extern PGconn *GetConnection(void);