Initial project import

tools/v/vlib/net/net_d_cross.v

@@ -0,0 +1,30 @@
+module net
+
+pub const fionbio = u32(0x8004667e)
+
+// WsaError is the subset of Windows socket errors needed for cross C generation.
+pub enum WsaError {
+	wsaeintr                    = 10004
+	wsaewouldblock              = 10035
+	wsaeinprogress              = 10036
+	wsaeafnosupport             = 10047
+	wsaeaddrnotavail            = 10049
+	wsaenetdown                 = 10050
+	wsaenetunreach              = 10051
+	wsaenotconn                 = 10057
+	wsaeconnrefused             = 10061
+	wsaehostdown                = 10064
+	wsaehostunreach             = 10065
+	wsaeprotonosupport          = 10043
+	wsaetimedout                = 10060
+	wsahost_not_found           = 11001
+	wsatry_again                = 11002
+	wsano_recovery              = 11003
+	wsano_data                  = 11004
+	wsa_ipsec_name_policy_error = 11033
+}
+
+// wsa_error casts an int to its WsaError value.
+pub fn wsa_error(code int) WsaError {
+	return unsafe { WsaError(code) }
+}