Function mbedtls_ecdh_get_grp_id

pub unsafe extern "C" fn mbedtls_ecdh_get_grp_id(
    ctx: *mut mbedtls_ecdh_context,
) -> u32

\brief Return the ECP group for provided context.

\note To access group specific fields, users should use mbedtls_ecp_curve_info_from_grp_id or mbedtls_ecp_group_load on the extracted group_id.

\param ctx The ECDH context to parse. This must not be \c NULL.

\return The \c mbedtls_ecp_group_id of the context.