SHOW with libpq - Mailing list pgsql-general

Does anyone know how to access the result of SHOW from PGresult?

For example, in a C progam using libpq

PGconn* conn = ...;
PGresult *res;

res = PGexec(conn, "SHOW DataStyle");

What should I do next?

Thank you very much

--
LM Liu