! Copyright (c) 2020 Jeffrey Armstrong ! ! Permission is hereby granted, free of charge, to any person obtaining a copy ! of this software and associated documentation files (the "Software"), to deal ! in the Software without restriction, including without limitation the rights ! to use, copy, modify, merge, publish, distribute, sublicense, and/or sell ! copies of the Software, and to permit persons to whom the Software is ! furnished to do so, subject to the following conditions: ! ! The above copyright notice and this permission notice shall be included in ! all copies or substantial portions of the Software. ! ! The Software shall be used for Good, not Evil. ! ! THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR ! IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, ! FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE ! AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER ! LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, ! OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE ! SOFTWARE. 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