#include <nng/nng.h> void *nng_aio_get_input(nng_aio *aio, unsigned int index);
nng_aio_get_input() function returns the value of the input parameter
previously set at index on aio with the
The valid values of index range from zero (0) to three (3), as no operation
currently defined can accept more than four parameters.
(This limit could increase in the future.)
If the index supplied is outside of this range,
or of the input parameter was not previously set, then
NULL is returned.
Value previously set, or