Add a "fork" of musl as //fusl.

fusl/include/net/if_arp.h

+/* Nonstandard header */
+#ifndef _NET_IF_ARP_H
+#define _NET_IF_ARP_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <inttypes.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+
+#define MAX_ADDR_LEN    7
+
+#define ARPOP_REQUEST   1
+#define ARPOP_REPLY     2
+#define ARPOP_RREQUEST  3
+#define ARPOP_RREPLY    4
+#define ARPOP_InREQUEST 8
+#define ARPOP_InREPLY   9
+#define ARPOP_NAK       10
+
+struct arphdr {
+        uint16_t ar_hrd;
+        uint16_t ar_pro;
+        uint8_t ar_hln;
+        uint8_t ar_pln;
+        uint16_t ar_op;
+};
+
+
+#define ARPHRD_NETROM   0
+#define ARPHRD_ETHER    1
+#define ARPHRD_EETHER   2
+#define ARPHRD_AX25     3
+#define ARPHRD_PRONET   4
+#define ARPHRD_CHAOS    5
+#define ARPHRD_IEEE802  6
+#define ARPHRD_ARCNET   7
+#define ARPHRD_APPLETLK 8
+#define ARPHRD_DLCI     15
+#define ARPHRD_ATM      19
+#define ARPHRD_METRICOM 23
+#define ARPHRD_IEEE1394 24
+#define ARPHRD_EUI64            27
+#define ARPHRD_INFINIBAND       32
+#define ARPHRD_SLIP     256
+#define ARPHRD_CSLIP    257
+#define ARPHRD_SLIP6    258
+#define ARPHRD_CSLIP6   259
+#define ARPHRD_RSRVD    260
+#define ARPHRD_ADAPT    264
+#define ARPHRD_ROSE     270
+#define ARPHRD_X25      271
+#define ARPHRD_HWX25    272
+#define ARPHRD_CAN      280
+#define ARPHRD_PPP      512
+#define ARPHRD_CISCO    513
+#define ARPHRD_HDLC     ARPHRD_CISCO
+#define ARPHRD_LAPB     516
+#define ARPHRD_DDCMP    517
+#define ARPHRD_RAWHDLC  518
+
+#define ARPHRD_TUNNEL   768
+#define ARPHRD_TUNNEL6  769
+#define ARPHRD_FRAD     770
+#define ARPHRD_SKIP     771
+#define ARPHRD_LOOPBACK 772
+#define ARPHRD_LOCALTLK 773
+#define ARPHRD_FDDI     774
+#define ARPHRD_BIF      775
+#define ARPHRD_SIT      776
+#define ARPHRD_IPDDP    777
+#define ARPHRD_IPGRE    778
+#define ARPHRD_PIMREG   779
+#define ARPHRD_HIPPI    780
+#define ARPHRD_ASH      781
+#define ARPHRD_ECONET   782
+#define ARPHRD_IRDA     783
+#define ARPHRD_FCPP     784
+#define ARPHRD_FCAL     785
+#define ARPHRD_FCPL     786
+#define ARPHRD_FCFABRIC 787
+#define ARPHRD_IEEE802_TR 800
+#define ARPHRD_IEEE80211 801
+#define ARPHRD_IEEE80211_PRISM 802
+#define ARPHRD_IEEE80211_RADIOTAP 803
+#define ARPHRD_IEEE802154 804
+#define ARPHRD_IEEE802154_MONITOR 805
+#define ARPHRD_PHONET 820
+#define ARPHRD_PHONET_PIPE 821
+#define ARPHRD_CAIF 822
+#define ARPHRD_IP6GRE 823
+#define ARPHRD_NETLINK 824
+
+#define ARPHRD_VOID       0xFFFF
+#define ARPHRD_NONE       0xFFFE
+
+struct arpreq {
+        struct sockaddr arp_pa;
+        struct sockaddr arp_ha;
+        int arp_flags;
+        struct sockaddr arp_netmask;
+        char arp_dev[16];
+};
+
+struct arpreq_old {
+        struct sockaddr arp_pa;
+        struct sockaddr arp_ha;
+        int arp_flags;
+        struct sockaddr arp_netmask;
+};
+
+#define ATF_COM         0x02
+#define ATF_PERM        0x04
+#define ATF_PUBL        0x08
+#define ATF_USETRAILERS 0x10
+#define ATF_NETMASK     0x20
+#define ATF_DONTPUB     0x40
+#define ATF_MAGIC       0x80
+
+#define ARPD_UPDATE     0x01
+#define ARPD_LOOKUP     0x02
+#define ARPD_FLUSH      0x03
+
+struct arpd_request {
+        unsigned short req;
+        uint32_t ip;
+        unsigned long dev;
+        unsigned long stamp;
+        unsigned long updated;
+        unsigned char ha[MAX_ADDR_LEN];
+};
+
+
+
+#ifdef __cplusplus
+}
+#endif
+#endif