Function gnunet_sys::GNUNET_CONFIGURATION_get_value_size

pub unsafe extern "C" fn GNUNET_CONFIGURATION_get_value_size(
    cfg: *const GNUNET_CONFIGURATION_Handle, 
    section: *const c_char, 
    option: *const c_char, 
    size: *mut c_ulonglong
) -> GNUNET_GenericReturnValue

Get a configuration value that should be a size in bytes.

@param cfg configuration to inspect @param section section of interest @param option option of interest @param size set to the size in bytes as stored in the configuration @return #GNUNET_OK on success, #GNUNET_SYSERR on error