[−][src]Function openthread_sys::otCoapOptionIteratorGetFirstOption
pub unsafe extern "C" fn otCoapOptionIteratorGetFirstOption(
aIterator: *mut otCoapOptionIterator
) -> *const otCoapOption
This function returns a pointer to the first option.
@param[inout] aIterator A pointer to the CoAP message option iterator.
@returns A pointer to the first option. If no option is present NULL pointer is returned.