Move all include files to src/include

- 86Box's own headers go to /86box
- munt's public interface goes to /mt32emu
- all slirp headers go to /slirp (might want to consider using only its public inteface)
- single file headers from other projects go in include root

src/include/86box/net_pcnet.h

@@ -0,0 +1,38 @@
+/*
+ * 86Box	A hypervisor and IBM PC system emulator that specializes in
+ *		running old operating systems and software designed for IBM
+ *		PC systems and compatibles from 1981 through fairly recent
+ *		system designs based on the PCI bus.
+ *
+ *		Emulation of the AMD PCnet LANCE NIC controller for both the ISA
+ *		and PCI buses.
+ *
+ *
+ *
+ * Authors:	Miran Grca, <mgrca8@gmail.com>
+ *		TheCollector1995, <mariogplayer@gmail.com>
+ *		Antony T Curtis
+ *
+ *		Copyright 2004-2019 Antony T Curtis
+ *		Copyright 2016-2019 Miran Grca.
+ */
+#ifndef NET_PCNET_H
+# define NET_PCNET_H
+
+enum {
+    DEV_NONE = 0,
+    DEV_AM79C960 = 1, /* PCnet-ISA (ISA, 10 Mbps, NE2100/NE1500T compatible) */
+    DEV_AM79C960_EB  = 2, /* PCnet-ISA (ISA, 10 Mbps, Racal InterLan EtherBlaster compatible) */
+    DEV_AM79C960_VLB = 3, /* PCnet-VLB (VLB, 10 Mbps, NE2100/NE1500T compatible) */
+    DEV_AM79C970A = 4, /* PCnet-PCI II (PCI, 10 Mbps) */
+    DEV_AM79C973 = 5 /* PCnet-FAST III (PCI, 10/100 Mbps) */
+};
+
+
+extern const device_t	pcnet_am79c960_device;
+extern const device_t	pcnet_am79c960_eb_device;
+extern const device_t	pcnet_am79c960_vlb_device;
+extern const device_t	pcnet_am79c970a_device;
+extern const device_t	pcnet_am79c973_device;
+
+#endif	/*NET_PCNET_H*/