lib: Add mlibc

Signed-off-by: Ian Moffett <ian@osmora.org>

8 files changed, 617 insertions, 0 deletions

diff --git a/lib/mlibc/options/posix/include/netinet/icmp6.h b/lib/mlibc/options/posix/include/netinet/icmp6.h
new file mode 100644
index 0000000..7dfe237
--- /dev/null
+++ b/lib/mlibc/options/posix/include/netinet/icmp6.h
@@ -0,0 +1,139 @@
+#ifndef _NETINET_ICMP6_H
+#define _NETINET_ICMP6_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+#include <abi-bits/in.h>
+#include <mlibc-config.h>
+
+#if __MLIBC_GLIBC_OPTION
+#include <bits/glibc/glibc_icmp6.h>
+#endif // __MLIBC_GLIBC_OPTION
+
+#define ICMP6_FILTER 1
+
+#define ICMP6_FILTER_BLOCK 1
+#define ICMP6_FILTER_PASS 2
+#define ICMP6_FILTER_BLOCKOTHERS 3
+#define ICMP6_FILTER_PASSONLY 4
+#define ICMP6_ECHO_REQUEST 128
+
+struct icmp6_filter {
+	uint32_t icmp6_filt[8];
+};
+
+struct icmp6_hdr {
+	uint8_t icmp6_type;
+	uint8_t icmp6_code;
+	uint16_t icmp6_cksum;
+	union {
+		uint32_t icmp6_un_data32[1];
+		uint16_t icmp6_un_data16[2];
+		uint8_t icmp6_un_data8[4];
+	} icmp6_dataun;
+};
+
+#define icmp6_data32 icmp6_dataun.icmp6_un_data32
+#define icmp6_data16 icmp6_dataun.icmp6_un_data16
+#define icmp6_data8 icmp6_dataun.icmp6_un_data8
+
+#define icmp6_pptr icmp6_data32[0]
+#define icmp6_mtu icmp6_data32[0]
+#define icmp6_id icmp6_data16[0]
+#define icmp6_seq icmp6_data16[1]
+#define icmp6_maxdelay icmp6_data16[0]
+
+#define ICMP6_FILTER_WILLPASS(type, filterp) \
+	((((filterp)->icmp6_filt[(type) >> 5]) & (1U << ((type) & 31))) == 0)
+
+#define ICMP6_FILTER_WILLBLOCK(type, filterp) \
+	((((filterp)->icmp6_filt[(type) >> 5]) & (1U << ((type) & 31))) != 0)
+
+#define ICMP6_FILTER_SETPASS(type, filterp) \
+	((((filterp)->icmp6_filt[(type) >> 5]) &= ~(1U << ((type) & 31))))
+
+#define ICMP6_FILTER_SETBLOCK(type, filterp) \
+	((((filterp)->icmp6_filt[(type) >> 5]) |=  (1U << ((type) & 31))))
+
+#define ICMP6_FILTER_SETPASSALL(filterp) \
+	memset (filterp, 0, sizeof (struct icmp6_filter));
+
+#define ICMP6_FILTER_SETBLOCKALL(filterp) \
+	memset (filterp, 0xFF, sizeof (struct icmp6_filter));
+
+#define ND_ROUTER_SOLICIT 133
+#define ND_ROUTER_ADVERT 134
+#define ND_NEIGHBOR_SOLICIT 135
+#define ND_NEIGHBOR_ADVERT 136
+#define ND_REDIRECT 137
+
+struct nd_router_solicit {
+	struct icmp6_hdr nd_rs_hdr;
+};
+
+#define nd_rs_type nd_rs_hdr.icmp6_type
+#define nd_rs_code nd_rs_hdr.icmp6_code
+#define nd_rs_cksum nd_rs_hdr.icmp6_cksum
+#define nd_rs_reserved nd_rs_hdr.icmp6_data32[0]
+
+struct nd_router_advert {
+	struct icmp6_hdr nd_ra_hdr;
+	uint32_t nd_ra_reachable;
+	uint32_t nd_ra_retransmit;
+};
+
+struct nd_opt_hdr {
+	uint8_t nd_opt_type;
+	uint8_t nd_opt_len;
+};
+
+#define ND_OPT_SOURCE_LINKADDR 1
+#define ND_OPT_TARGET_LINKADDR 2
+#define ND_OPT_PREFIX_INFORMATION 3
+#define ND_OPT_REDIRECTED_HEADER 4
+#define ND_OPT_MTU 5
+#define ND_OPT_RTR_ADV_INTERVAL 7
+#define ND_OPT_HOME_AGENT_INFO 8
+
+struct nd_opt_prefix_info {
+	uint8_t nd_opt_pi_type;
+	uint8_t nd_opt_pi_len;
+	uint8_t nd_opt_pi_prefix_len;
+	uint8_t nd_opt_pi_flags_reserved;
+	uint32_t nd_opt_pi_valid_time;
+	uint32_t nd_opt_pi_preferred_time;
+	uint32_t nd_opt_pi_reserved2;
+	struct in6_addr nd_opt_pi_prefix;
+};
+
+#define ND_OPT_PI_FLAG_RADDR 0x20
+#define ND_OPT_PI_FLAG_AUTO 0x40
+#define ND_OPT_PI_FLAG_ONLINK 0x80
+
+#define nd_ra_type nd_ra_hdr.icmp6_type
+#define nd_ra_code nd_ra_hdr.icmp6_code
+#define nd_ra_cksum nd_ra_hdr.icmp6_cksum
+#define nd_ra_curhoplimit nd_ra_hdr.icmp6_data8[0]
+#define nd_ra_flags_reserved nd_ra_hdr.icmp6_data8[1]
+#define nd_ra_router_lifetime nd_ra_hdr.icmp6_data16[1]
+
+#define ND_RA_FLAG_HOME_AGENT 0x20
+#define ND_RA_FLAG_OTHER 0x40
+#define ND_RA_FLAG_MANAGED 0x80
+
+struct nd_opt_mtu {
+	uint8_t nd_opt_mtu_type;
+	uint8_t nd_opt_mtu_len;
+	uint16_t nd_opt_mtu_reserved;
+	uint32_t nd_opt_mtu_mtu;
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _NETINET_ICMP6_H
+
diff --git a/lib/mlibc/options/posix/include/netinet/if_ether.h b/lib/mlibc/options/posix/include/netinet/if_ether.h
new file mode 100644
index 0000000..c4ce173
--- /dev/null
+++ b/lib/mlibc/options/posix/include/netinet/if_ether.h
@@ -0,0 +1,105 @@
+#ifndef _NETINET_IF_ETHER_H
+#define _NETINET_IF_ETHER_H
+
+#include <net/if_arp.h>
+
+#define ETH_ALEN 6
+#define ETH_HLEN 14
+#define ETH_ZLEN 60
+#define ETH_FRAME_LEN 1514
+#define ETH_FCS_LEN 4
+
+#define ETH_P_LOOP 0x0060
+#define ETH_P_PUP 0x0200
+#define ETH_P_PUPAT 0x0201
+#define ETH_P_IP 0x0800
+#define ETH_P_X25 0x0805
+#define ETH_P_ARP 0x0806
+#define ETH_P_BPQ 0x08FF
+#define ETH_P_IEEEPUP 0x0a00
+#define ETH_P_IEEEPUPAT 0x0a01
+#define ETH_P_BATMAN 0x4305
+#define ETH_P_DEC 0x6000
+#define ETH_P_DNA_DL 0x6001
+#define ETH_P_DNA_RC 0x6002
+#define ETH_P_DNA_RT 0x6003
+#define ETH_P_LAT 0x6004
+#define ETH_P_DIAG 0x6005
+#define ETH_P_CUST 0x6006
+#define ETH_P_SCA 0x6007
+#define ETH_P_TEB 0x6558
+#define ETH_P_RARP 0x8035
+#define ETH_P_ATALK 0x809B
+#define ETH_P_AARP 0x80F3
+#define ETH_P_8021Q 0x8100
+#define ETH_P_IPX 0x8137
+#define ETH_P_IPV6 0x86DD
+#define ETH_P_PAUSE 0x8808
+#define ETH_P_SLOW 0x8809
+#define ETH_P_WCCP 0x883E
+#define ETH_P_MPLS_UC 0x8847
+#define ETH_P_MPLS_MC 0x8848
+#define ETH_P_ATMMPOA 0x884c
+#define ETH_P_PPP_DISC 0x8863
+#define ETH_P_PPP_SES 0x8864
+#define ETH_P_LINK_CTL 0x886c
+#define ETH_P_ATMFATE 0x8884
+#define ETH_P_PAE 0x888E
+#define ETH_P_AOE 0x88A2
+#define ETH_P_8021AD 0x88A8
+#define ETH_P_802_EX1 0x88B5
+#define ETH_P_TIPC 0x88CA
+#define ETH_P_8021AH 0x88E7
+#define ETH_P_MVRP 0x88F5
+#define ETH_P_1588 0x88F7
+#define ETH_P_PRP 0x88FB
+#define ETH_P_FCOE 0x8906
+#define ETH_P_TDLS 0x890D
+#define ETH_P_FIP 0x8914
+#define ETH_P_80221 0x8917
+#define ETH_P_LOOPBACK 0x9000
+#define ETH_P_QINQ1 0x9100
+#define ETH_P_QINQ2 0x9200
+#define ETH_P_QINQ3 0x9300
+#define ETH_P_EDSA 0xDADA
+#define ETH_P_AF_IUCV 0xFBFB
+
+#define ETH_P_802_3_MIN 0x0600
+
+#define ETH_P_802_3 0x0001
+#define ETH_P_AX25 0x0002
+#define ETH_P_ALL 0x0003
+#define ETH_P_802_2 0x0004
+#define ETH_P_SNAP 0x0005
+#define ETH_P_DDCMP 0x0006
+#define ETH_P_WAN_PPP 0x0007
+#define ETH_P_PPP_MP 0x0008
+#define ETH_P_LOCALTALK 0x0009
+#define ETH_P_CAN 0x000C
+#define ETH_P_CANFD 0x000D
+#define ETH_P_PPPTALK 0x0010
+#define ETH_P_TR_802_2 0x0011
+#define ETH_P_MOBITEX 0x0015
+#define ETH_P_CONTROL 0x0016
+#define ETH_P_IRDA 0x0017
+#define ETH_P_ECONET 0x0018
+#define ETH_P_HDLC 0x0019
+#define ETH_P_ARCNET 0x001A
+#define ETH_P_DSA 0x001B
+#define ETH_P_TRAILER 0x001C
+#define ETH_P_PHONET 0x00F5
+#define ETH_P_IEEE802154 0x00F6
+#define ETH_P_CAIF 0x00F7
+
+#include <net/ethernet.h>
+#include <net/if_arp.h>
+
+struct ether_arp {
+	struct arphdr ea_hdr;
+	uint8_t arp_sha[ETH_ALEN];
+	uint8_t arp_spa[4];
+	uint8_t arp_tha[ETH_ALEN];
+	uint8_t arp_tpa[4];
+};
+
+#endif //_NETINET_IF_ETHER_H
diff --git a/lib/mlibc/options/posix/include/netinet/in.h b/lib/mlibc/options/posix/include/netinet/in.h
new file mode 100644
index 0000000..9a42c47
--- /dev/null
+++ b/lib/mlibc/options/posix/include/netinet/in.h
@@ -0,0 +1,118 @@
+
+#ifndef _NETINET_IN_H
+#define _NETINET_IN_H
+
+#include <stdint.h>
+#include <endian.h>
+#include <sys/socket.h> // struct sockaddr
+#include <abi-bits/socket.h>
+#include <abi-bits/in.h>
+#include <arpa/inet.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef __MLIBC_ABI_ONLY
+
+extern const struct in6_addr in6addr_any;
+extern const struct in6_addr in6addr_loopback;
+
+uint32_t htonl(uint32_t);
+uint16_t htons(uint16_t);
+uint32_t ntohl(uint32_t);
+uint16_t ntohs(uint16_t);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#define IN6_IS_ADDR_UNSPECIFIED(a) ({ \
+    uint32_t *_a = (uint32_t *)(((struct in6_addr *) a)->s6_addr); \
+    !_a[0] && \
+    !_a[1] && \
+    !_a[2] && \
+    !_a[3];  \
+})
+#define IN6_IS_ADDR_LOOPBACK(a) ({ \
+    uint32_t *_a = (uint32_t *)(((struct in6_addr *) a)->s6_addr); \
+    !_a[0] && \
+    !_a[1] && \
+    !_a[2] && \
+     _a[3] == htonl(0x0001); \
+})
+#define IN6_IS_ADDR_MULTICAST(a) (((const uint8_t *) (a))[0] == 0xff)
+#define IN6_IS_ADDR_LINKLOCAL(a) ({ \
+    uint32_t *_a = (uint32_t *)(((struct in6_addr *) a)->s6_addr); \
+    _a[0] & htonl(0xffc00000) == htonl(0xfe800000); \
+})
+#define IN6_IS_ADDR_SITELOCAL(a) ({ \
+    uint32_t *_a = (uint32_t *)(((struct in6_addr *) a)->s6_addr); \
+    _a[0] & htonl(0xffc00000) == htonl(0xfec00000); \
+})
+#define IN6_IS_ADDR_V4MAPPED(a) ({ \
+    uint32_t *_a = (uint32_t *)(((struct in6_addr *) a)->s6_addr); \
+    !_a[0] && \
+    !_a[1] && \
+     _a[2] == htonl(0xffff); \
+})
+#define __ARE_4_BYTE_EQUAL(a, b) \
+	((a)[0] == (b)[0] && (a)[1] == (b)[1] && (a)[2] == (b)[2] && \
+	 (a)[3] == (b)[3] && (a)[4] == (b)[4])
+#define IN6_ARE_ADDR_EQUAL(a, b) \
+	__ARE_4_BYTE_EQUAL((const uint32_t *)(a), (const uint32_t *)(b))
+
+#define IN6_IS_ADDR_V4COMPAT(a) ({ \
+	uint32_t *_a = (uint32_t *)(((struct in6_addr *) a)->s6_addr); \
+	uint8_t *_a8 = (uint8_t *)(((struct in6_addr *) a)->s6_addr); \
+	!_a[0] && !_a[1] && !_a[2] && (_a8[15] > 1); \
+})
+#define IN6_IS_ADDR_MC_NODELOCAL(a) ({ \
+    (IN6_IS_ADDR_MULTICAST(a) && \
+    ((((const uint8_t *)(a))[1] & 0xf) == 0x1)); \
+})
+#define IN6_IS_ADDR_MC_LINKLOCAL(a) ({ \
+    (IN6_IS_ADDR_MULTICAST(a) && \
+    ((((const uint8_t *)(a))[1] & 0xf) == 0x2)); \
+})
+#define IN6_IS_ADDR_MC_SITELOCAL(a) ({ \
+    (IN6_IS_ADDR_MULTICAST(a) && \
+    ((((const uint8_t *)(a))[1] & 0xf) == 0x5)); \
+})
+#define IN6_IS_ADDR_MC_ORGLOCAL(a) ({ \
+    (IN6_IS_ADDR_MULTICAST(a) && \
+    ((((const uint8_t *)(a))[1] & 0xf) == 0x8)); \
+})
+#define IN6_IS_ADDR_MC_GLOBAL(a) ({ \
+    (IN6_IS_ADDR_MULTICAST(a) && \
+    ((((const uint8_t *)(a))[1] & 0xf) == 0xe)); \
+})
+
+#define IN_CLASSA(a) ((((in_addr_t)(a)) & 0x80000000) == 0)
+#define IN_CLASSA_NET 0xff000000
+#define IN_CLASSA_NSHIFT 24
+#define IN_CLASSA_HOST (0xffffffff & ~IN_CLASSA_NET)
+#define IN_CLASSA_MAX 128
+#define IN_CLASSB(a) ((((in_addr_t)(a)) & 0xc0000000) == 0x80000000)
+#define IN_CLASSB_NET 0xffff0000
+#define IN_CLASSB_NSHIFT 16
+#define IN_CLASSB_HOST (0xffffffff & ~IN_CLASSB_NET)
+#define IN_CLASSB_MAX 65536
+#define IN_CLASSC(a) ((((in_addr_t)(a)) & 0xe0000000) == 0xc0000000)
+#define IN_CLASSC_NET 0xffffff00
+#define IN_CLASSC_NSHIFT 8
+#define IN_CLASSC_HOST (0xffffffff & ~IN_CLASSC_NET)
+#define IN_CLASSD(a) ((((in_addr_t)(a)) & 0xf0000000) == 0xe0000000)
+#define IN_MULTICAST(a) IN_CLASSD(a)
+#define IN_EXPERIMENTAL(a) ((((in_addr_t)(a)) & 0xe0000000) == 0xe0000000)
+#define IN_BADCLASS(a) ((((in_addr_t)(a)) & 0xf0000000) == 0xf0000000)
+
+#define IN_LOOPBACKNET 127
+
+#define MCAST_EXCLUDE 0
+#define MCAST_INCLUDE 1
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _NETINET_IN_H
+
diff --git a/lib/mlibc/options/posix/include/netinet/ip.h b/lib/mlibc/options/posix/include/netinet/ip.h
new file mode 100644
index 0000000..161aa18
--- /dev/null
+++ b/lib/mlibc/options/posix/include/netinet/ip.h
@@ -0,0 +1,75 @@
+
+#ifndef _NETINET_IP_H
+#define _NETINET_IP_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <sys/types.h>
+#include <netinet/in.h>
+
+#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_CLASS_CS4 0x80
+#define IPTOS_CLASS_CS6 0xC0
+
+#define IPDEFTTL 64
+
+struct ip {
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+	unsigned int ip_hl:4;
+	unsigned int ip_v:4;
+#endif
+#if __BYTE_ORDER == __BIG_ENDIAN
+	unsigned int ip_v:4;
+	unsigned int ip_hl:4;
+#endif
+	uint8_t ip_tos;
+	unsigned short ip_len;
+	unsigned short ip_id;
+	unsigned short ip_off;
+#define IP_RF 0x8000
+#define IP_DF 0x4000
+#define IP_MF 0x2000
+#define IP_OFFMASK 0x1fff
+	uint8_t ip_ttl;
+	uint8_t ip_p;
+	unsigned short ip_sum;
+	struct in_addr ip_src, ip_dst;
+};
+
+#define IPVERSION 4
+
+struct iphdr {
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+	unsigned int ihl:4;
+	unsigned int version:4;
+#elif __BYTE_ORDER == __BIG_ENDIAN
+	unsigned int version:4;
+	unsigned int ihl:4;
+#else
+# error	"Please fix <endian.h>"
+#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;
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _NETINET_IP_H
+
diff --git a/lib/mlibc/options/posix/include/netinet/ip6.h b/lib/mlibc/options/posix/include/netinet/ip6.h
new file mode 100644
index 0000000..88f0cb6
--- /dev/null
+++ b/lib/mlibc/options/posix/include/netinet/ip6.h
@@ -0,0 +1,28 @@
+#ifndef _NETINET_IP6_H
+#define _NETINET_IP6_H
+
+#include <netinet/in.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct ip6_hdr {
+	union {
+		struct ip6_hdrctl {
+			uint32_t ip6_un1_flow;
+			uint16_t ip6_un1_plen;
+			uint8_t  ip6_un1_nxt;
+			uint8_t  ip6_un1_hlim;
+		} ip6_un1;
+		uint8_t ip6_un2_vfc;
+	} ip6_ctlun;
+	struct in6_addr ip6_src;
+	struct in6_addr ip6_dst;
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _NETINET_IP6_H
diff --git a/lib/mlibc/options/posix/include/netinet/ip_icmp.h b/lib/mlibc/options/posix/include/netinet/ip_icmp.h
new file mode 100644
index 0000000..56615e4
--- /dev/null
+++ b/lib/mlibc/options/posix/include/netinet/ip_icmp.h
@@ -0,0 +1,84 @@
+#ifndef _NETINET_ICMP_H
+#define _NETINET_ICMP_H
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <netinet/in.h>
+#include <netinet/ip.h>
+
+#define ICMP_ECHOREPLY 0
+#define ICMP_ECHO 8
+#define ICMP_ADVLENMIN (8 + sizeof(struct ip) + 8)
+
+struct icmp_ra_addr {
+	uint32_t ira_addr;
+	uint32_t ira_preference;
+};
+
+struct icmp {
+	uint8_t icmp_type;
+	uint8_t icmp_code;
+	uint16_t icmp_cksum;
+	union {
+		unsigned char ih_pptr;
+		struct in_addr ih_gwaddr;
+		struct ih_idseq {
+			uint16_t icd_id;
+			uint16_t icd_seq;
+		} ih_idseq;
+		uint32_t ih_void;
+		
+		struct ih_pmtu {
+			uint16_t ipm_void;
+			uint16_t ipm_nextmtu;
+		} ih_pmtu;
+		
+		struct ih_rtradv {
+			uint8_t irt_num_addrs;
+			uint8_t irt_wpa;
+			uint16_t irt_lifetime;
+		} ih_rtradv;
+	} icmp_hun;
+	union {
+		struct {
+			uint32_t its_otime;
+			uint32_t its_rtime;
+			uint32_t its_ttime;
+		} id_ts;
+		struct {
+			struct ip idi_ip;
+		} id_ip;
+		struct icmp_ra_addr id_radv;
+		uint32_t id_mask;
+		uint8_t id_data[1];
+	} icmp_dun;
+};
+
+#define	icmp_pptr icmp_hun.ih_pptr
+#define	icmp_gwaddr	icmp_hun.ih_gwaddr
+#define	icmp_id	icmp_hun.ih_idseq.icd_id
+#define	icmp_seq icmp_hun.ih_idseq.icd_seq
+#define	icmp_void icmp_hun.ih_void
+#define	icmp_pmvoid	icmp_hun.ih_pmtu.ipm_void
+#define	icmp_nextmtu icmp_hun.ih_pmtu.ipm_nextmtu
+#define	icmp_num_addrs icmp_hun.ih_rtradv.irt_num_addrs
+#define	icmp_wpa icmp_hun.ih_rtradv.irt_wpa
+#define	icmp_lifetime icmp_hun.ih_rtradv.irt_lifetime
+
+#define	icmp_otime icmp_dun.id_ts.its_otime
+#define	icmp_rtime icmp_dun.id_ts.its_rtime
+#define	icmp_ttime icmp_dun.id_ts.its_ttime
+#define	icmp_ip	icmp_dun.id_ip.idi_ip
+#define	icmp_radv icmp_dun.id_radv
+#define	icmp_mask icmp_dun.id_mask
+#define	icmp_data icmp_dun.id_data
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _NETINET_ICMP_H
diff --git a/lib/mlibc/options/posix/include/netinet/tcp.h b/lib/mlibc/options/posix/include/netinet/tcp.h
new file mode 100644
index 0000000..9d64d7a
--- /dev/null
+++ b/lib/mlibc/options/posix/include/netinet/tcp.h
@@ -0,0 +1,37 @@
+#ifndef _NETINET_TCP_H
+#define _NETINET_TCP_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// Define some macros using same ABI as Linux
+#define TCP_NODELAY 1
+#define TCP_MAXSEG 2
+#define TCP_KEEPIDLE 4
+#define TCP_KEEPINTVL 5
+#define TCP_KEEPCNT 6
+#define TCP_DEFER_ACCEPT 9
+#define TCP_CONGESTION 13
+#define TCP_FASTOPEN 23
+
+#define TCP_ESTABLISHED 1
+#define TCP_SYN_SENT 2
+#define TCP_SYN_RECV 3
+#define TCP_FIN_WAIT1 4
+#define TCP_FIN_WAIT2 5
+#define TCP_TIME_WAIT 6
+#define TCP_CLOSE 7
+#define TCP_CLOSE_WAIT 8
+#define TCP_LAST_ACK 9
+#define TCP_LISTEN 10
+#define TCP_CLOSING 11
+#define TCP_QUICKACK 12
+
+#define SOL_TCP 6
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _NETINET_TCP_H
diff --git a/lib/mlibc/options/posix/include/netinet/udp.h b/lib/mlibc/options/posix/include/netinet/udp.h
new file mode 100644
index 0000000..5cc887d
--- /dev/null
+++ b/lib/mlibc/options/posix/include/netinet/udp.h
@@ -0,0 +1,31 @@
+#ifndef _NETINET_UDP_H
+#define _NETINET_UDP_H
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct udphdr {
+        union {
+                struct {
+                        uint16_t uh_sport;
+                        uint16_t uh_dport;
+                        uint16_t uh_ulen;
+                        uint16_t uh_sum;
+                };
+                struct {
+                        uint16_t source;
+                        uint16_t dest;
+                        uint16_t len;
+                        uint16_t check;
+                };
+        };
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // _NETINET_UDP_H