#include <stdio.h>
#include <postgresql/libpq-fe.h>

int main(int argc, char *argv[]) {
	PGconn *conn;
	PGresult *res;
	int i;
	int j;

	conn = PQsetdbLogin("localhost", "5432", "", "", "database", "user", "password");
	if (PQstatus(conn) != CONNECTION_OK) {
		fprintf(stderr, "Connection to database failed: %s", PQerrorMessage(conn));
		PQfinish(conn);
		return 1;
	}

	res = PQexec(conn, "SELECT * FROM turista");
	if (PQresultStatus(res) != PGRES_TUPLES_OK) {
		fprintf(stderr, "SELECT failed: %s", PQerrorMessage(conn));
		PQclear(res);
		PQfinish(conn);
		return 1;
	}

	for (i = 0; i < PQnfields(res); i++) {
		printf("%-20s", PQfname(res, i));
	}
	printf("\n\n");

	for (i = 0; i < PQntuples(res); i++){
		for (j = 0; j < PQnfields(res); j++) {
			printf("%-20s", PQgetvalue(res, i, j));
		}
		printf("\n");
	}

	PQclear(res);

	PQfinish(conn);
	return 0;
}