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module wsa_network
use iso_c_binding
implicit none
integer, parameter::wsa_description_length_plus_1 = 256
type, bind(c) :: wsadata
integer(kind=c_int16_t)::wVersion
integer(kind=c_int16_t)::wHighVersion
integer(kind=c_short)::iMaxSockets
integer(kind=c_short)::iMaxUdpDg
type(c_ptr)::lpVendorInfo
character(len=1, kind=c_char), dimension(wsa_description_length_plus_1)::szDescription
character(len=1, kind=c_char), dimension(wsa_description_length_plus_1)::szSystemStatus
end type
contains
subroutine startup()
use iso_c_binding
implicit none
interface
function wsa_startup(v, p) bind(c, name="WSAStartup")
use iso_c_binding
integer(kind=c_int16_t), value::v
type(c_ptr), value::p
integer(kind=c_int)::wsa_startup
end function wsa_startup
end interface
type(wsadata), target::startup_data
integer::res
! need to use wVersionRequested = MAKEWORD(2, 2);
res = wsa_startup(int(z'0202', kind=c_int16_t), c_loc(startup_data))
if(res /= 0) then
Print *, "Windows Networking failed to start"
Print *, "Error=", res
stop
end if
end subroutine startup
end module wsa_network
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