[julia-users] ccall with an opaque struct

[Lutfullah Tomak]

Try
p = Ptr{Int}[]
julia> ccall((:sp_get_port_by_name, "libserialport"),Cint,(AbstractString, 
Ref{Ptr{Int}}),"/dev/cu.usbmodem1413",p)

or

im;mutable Port
x: