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

fusl/include/netinet/ip.h

Index: fusl/include/netinet/ip.h
diff --git a/fusl/include/netinet/ip.h b/fusl/include/netinet/ip.h
new file mode 100644
index 0000000000000000000000000000000000000000..d7fa8d5e4e9b228d0542c3607c29a43589566f6b
--- /dev/null
+++ b/fusl/include/netinet/ip.h
@@ -0,0 +1,198 @@
+#ifndef _NETINET_IP_H
+#define _NETINET_IP_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+#include <netinet/in.h>
+#include <endian.h>
+
+struct timestamp {
+	uint8_t len;
+	uint8_t ptr;
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+	unsigned int flags:4;
+	unsigned int overflow:4;
+#else
+	unsigned int overflow:4;
+	unsigned int flags:4;
+#endif
+	uint32_t data[9];
+  };
+
+struct iphdr {
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+	unsigned int ihl:4;
+	unsigned int version:4;
+#else
+	unsigned int version:4;
+	unsigned int ihl:4;
+#endif
+	uint8_t tos;
+	uint16_t tot_len;
+	uint16_t id;
+	uint16_t frag_off;
+	uint8_t ttl;
+	uint8_t protocol;
+	uint16_t check;
+	uint32_t saddr;
+	uint32_t daddr;
+};
+
+struct ip {
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+	unsigned int ip_hl:4;
+	unsigned int ip_v:4;
+#else
+	unsigned int ip_v:4;
+	unsigned int ip_hl:4;
+#endif
+	uint8_t ip_tos;
+	uint16_t ip_len;
+	uint16_t ip_id;
+	uint16_t ip_off;
+	uint8_t ip_ttl;
+	uint8_t ip_p;
+	uint16_t ip_sum;
+	struct in_addr ip_src, ip_dst;
+};
+
+#define	IP_RF 0x8000
+#define	IP_DF 0x4000
+#define	IP_MF 0x2000
+#define	IP_OFFMASK 0x1fff
+
+struct ip_timestamp {
+	uint8_t ipt_code;
+	uint8_t ipt_len;
+	uint8_t ipt_ptr;
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+	unsigned int ipt_flg:4;
+	unsigned int ipt_oflw:4;
+#else
+	unsigned int ipt_oflw:4;
+	unsigned int ipt_flg:4;
+#endif
+	uint32_t data[9];
+};
+
+#define	IPVERSION	4
+#define	IP_MAXPACKET	65535
+
+#define	IPTOS_ECN_MASK		0x03
+#define	IPTOS_ECN(x)		((x) & IPTOS_ECN_MASK)
+#define	IPTOS_ECN_NOT_ECT	0x00
+#define	IPTOS_ECN_ECT1		0x01
+#define	IPTOS_ECN_ECT0		0x02
+#define	IPTOS_ECN_CE		0x03
+
+#define	IPTOS_DSCP_MASK		0xfc
+#define	IPTOS_DSCP(x)		((x) & IPTOS_DSCP_MASK)
+#define	IPTOS_DSCP_AF11		0x28
+#define	IPTOS_DSCP_AF12		0x30
+#define	IPTOS_DSCP_AF13		0x38
+#define	IPTOS_DSCP_AF21		0x48
+#define	IPTOS_DSCP_AF22		0x50
+#define	IPTOS_DSCP_AF23		0x58
+#define	IPTOS_DSCP_AF31		0x68
+#define	IPTOS_DSCP_AF32		0x70
+#define	IPTOS_DSCP_AF33		0x78
+#define	IPTOS_DSCP_AF41		0x88
+#define	IPTOS_DSCP_AF42		0x90
+#define	IPTOS_DSCP_AF43		0x98
+#define	IPTOS_DSCP_EF		0xb8
+
+#define	IPTOS_CLASS_MASK	0xe0
+#define	IPTOS_CLASS(x)		((x) & IPTOS_CLASS_MASK)
+#define	IPTOS_CLASS_CS0		0x00
+#define	IPTOS_CLASS_CS1		0x20
+#define	IPTOS_CLASS_CS2		0x40
+#define	IPTOS_CLASS_CS3		0x60
+#define	IPTOS_CLASS_CS4		0x80
+#define	IPTOS_CLASS_CS5		0xa0
+#define	IPTOS_CLASS_CS6		0xc0
+#define	IPTOS_CLASS_CS7		0xe0
+#define	IPTOS_CLASS_DEFAULT	IPTOS_CLASS_CS0
+
+#define	IPTOS_TOS_MASK		0x1E
+#define	IPTOS_TOS(tos)		((tos) & IPTOS_TOS_MASK)
+#define	IPTOS_LOWDELAY		0x10
+#define	IPTOS_THROUGHPUT	0x08
+#define	IPTOS_RELIABILITY	0x04
+#define	IPTOS_LOWCOST		0x02
+#define	IPTOS_MINCOST		IPTOS_LOWCOST
+
+#define	IPTOS_PREC_MASK			0xe0
+#define	IPTOS_PREC(tos)                ((tos) & IPTOS_PREC_MASK)
+#define	IPTOS_PREC_NETCONTROL		0xe0
+#define	IPTOS_PREC_INTERNETCONTROL	0xc0
+#define	IPTOS_PREC_CRITIC_ECP		0xa0
+#define	IPTOS_PREC_FLASHOVERRIDE	0x80
+#define	IPTOS_PREC_FLASH		0x60
+#define	IPTOS_PREC_IMMEDIATE		0x40
+#define	IPTOS_PREC_PRIORITY		0x20
+#define	IPTOS_PREC_ROUTINE		0x00
+
+#define	IPOPT_COPY		0x80
+#define	IPOPT_CLASS_MASK	0x60
+#define	IPOPT_NUMBER_MASK	0x1f
+
+#define	IPOPT_COPIED(o)		((o) & IPOPT_COPY)
+#define	IPOPT_CLASS(o)		((o) & IPOPT_CLASS_MASK)
+#define	IPOPT_NUMBER(o)		((o) & IPOPT_NUMBER_MASK)
+
+#define	IPOPT_CONTROL		0x00
+#define	IPOPT_RESERVED1		0x20
+#define	IPOPT_DEBMEAS		0x40
+#define	IPOPT_MEASUREMENT       IPOPT_DEBMEAS
+#define	IPOPT_RESERVED2		0x60
+
+#define	IPOPT_EOL		0
+#define	IPOPT_END		IPOPT_EOL
+#define	IPOPT_NOP		1
+#define	IPOPT_NOOP		IPOPT_NOP
+
+#define	IPOPT_RR		7
+#define	IPOPT_TS		68
+#define	IPOPT_TIMESTAMP		IPOPT_TS
+#define	IPOPT_SECURITY		130
+#define	IPOPT_SEC		IPOPT_SECURITY
+#define	IPOPT_LSRR		131
+#define	IPOPT_SATID		136
+#define	IPOPT_SID		IPOPT_SATID
+#define	IPOPT_SSRR		137
+#define	IPOPT_RA		148
+
+#define	IPOPT_OPTVAL		0
+#define	IPOPT_OLEN		1
+#define	IPOPT_OFFSET		2
+#define	IPOPT_MINOFF		4
+
+#define	MAX_IPOPTLEN		40
+
+#define	IPOPT_TS_TSONLY		0
+#define	IPOPT_TS_TSANDADDR	1
+#define	IPOPT_TS_PRESPEC	3
+
+#define	IPOPT_SECUR_UNCLASS	0x0000
+#define	IPOPT_SECUR_CONFID	0xf135
+#define	IPOPT_SECUR_EFTO	0x789a
+#define	IPOPT_SECUR_MMMM	0xbc4d
+#define	IPOPT_SECUR_RESTR	0xaf13
+#define	IPOPT_SECUR_SECRET	0xd788
+#define	IPOPT_SECUR_TOPSECRET	0x6bc5
+
+#define	MAXTTL		255
+#define	IPDEFTTL	64
+#define	IPFRAGTTL	60
+#define	IPTTLDEC	1
+
+#define	IP_MSS		576
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif