Import and fix old code

6 files changed, 876 insertions, 0 deletions

diff --git a/include/musl/arpa/ftp.h b/include/musl/arpa/ftp.h
new file mode 100644
index 0000000..fb0a46f
--- /dev/null
+++ b/include/musl/arpa/ftp.h
@@ -0,0 +1,35 @@
+#ifndef _ARPA_FTP_H
+#define _ARPA_FTP_H
+#define PRELIM 1
+#define COMPLETE 2
+#define CONTINUE 3
+#define TRANSIENT 4
+#define ERROR 5
+#define TYPE_A 1
+#define TYPE_E 2
+#define TYPE_I 3
+#define TYPE_L 4
+#define FORM_N 1
+#define FORM_T 2
+#define FORM_C 3
+#define STRU_F 1
+#define STRU_R 2
+#define STRU_P 3
+#define MODE_S 1
+#define MODE_B 2
+#define MODE_C 3
+#define REC_ESC '\377'
+#define REC_EOR '\001'
+#define REC_EOF '\002'
+#define BLK_EOR 0x80
+#define BLK_EOF 0x40
+#define BLK_ERRORS 0x20
+#define BLK_RESTART 0x10
+#define BLK_BYTECOUNT 2
+#ifdef FTP_NAMES
+char *modenames[] =  {"0", "Stream", "Block", "Compressed" };
+char *strunames[] =  {"0", "File", "Record", "Page" };
+char *typenames[] =  {"0", "ASCII", "EBCDIC", "Image", "Local" };
+char *formnames[] =  {"0", "Nonprint", "Telnet", "Carriage-control" };
+#endif
+#endif
diff --git a/include/musl/arpa/inet.h b/include/musl/arpa/inet.h
new file mode 100644
index 0000000..9d20a15
--- /dev/null
+++ b/include/musl/arpa/inet.h
@@ -0,0 +1,31 @@
+#ifndef _ARPA_INET_H
+#define	_ARPA_INET_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <features.h>
+#include <netinet/in.h>
+
+uint32_t htonl(uint32_t);
+uint16_t htons(uint16_t);
+uint32_t ntohl(uint32_t);
+uint16_t ntohs(uint16_t);
+
+in_addr_t inet_addr (const char *);
+in_addr_t inet_network (const char *);
+char *inet_ntoa (struct in_addr);
+int inet_pton (int, const char *__restrict, void *__restrict);
+const char *inet_ntop (int, const void *__restrict, char *__restrict, socklen_t);
+
+int inet_aton (const char *, struct in_addr *);
+struct in_addr inet_makeaddr(in_addr_t, in_addr_t);
+in_addr_t inet_lnaof(struct in_addr);
+in_addr_t inet_netof(struct in_addr);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/include/musl/arpa/nameser.h b/include/musl/arpa/nameser.h
new file mode 100644
index 0000000..9c1327a
--- /dev/null
+++ b/include/musl/arpa/nameser.h
@@ -0,0 +1,526 @@
+#ifndef _ARPA_NAMESER_H
+#define _ARPA_NAMESER_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stddef.h>
+#include <stdint.h>
+
+#define __NAMESER	19991006
+#define NS_PACKETSZ	512
+#define NS_MAXDNAME	1025
+#define NS_MAXMSG	65535
+#define NS_MAXCDNAME	255
+#define NS_MAXLABEL	63
+#define NS_HFIXEDSZ	12
+#define NS_QFIXEDSZ	4
+#define NS_RRFIXEDSZ	10
+#define NS_INT32SZ	4
+#define NS_INT16SZ	2
+#define NS_INT8SZ	1
+#define NS_INADDRSZ	4
+#define NS_IN6ADDRSZ	16
+#define NS_CMPRSFLGS	0xc0
+#define NS_DEFAULTPORT	53
+
+typedef enum __ns_sect {
+	ns_s_qd = 0,
+	ns_s_zn = 0,
+	ns_s_an = 1,
+	ns_s_pr = 1,
+	ns_s_ns = 2,
+	ns_s_ud = 2,
+	ns_s_ar = 3,
+	ns_s_max = 4
+} ns_sect;
+
+typedef struct __ns_msg {
+	const unsigned char *_msg, *_eom;
+	uint16_t _id, _flags, _counts[ns_s_max];
+	const unsigned char *_sections[ns_s_max];
+	ns_sect _sect;
+	int _rrnum;
+	const unsigned char *_msg_ptr;
+} ns_msg;
+
+struct _ns_flagdata {  int mask, shift;  };
+extern const struct _ns_flagdata _ns_flagdata[];
+
+#define ns_msg_id(handle) ((handle)._id + 0)
+#define ns_msg_base(handle) ((handle)._msg + 0)
+#define ns_msg_end(handle) ((handle)._eom + 0)
+#define ns_msg_size(handle) ((handle)._eom - (handle)._msg)
+#define ns_msg_count(handle, section) ((handle)._counts[section] + 0)
+#define ns_msg_getflag(handle, flag) \
+	(((handle)._flags & _ns_flagdata[flag].mask) >> _ns_flagdata[flag].shift)
+
+typedef	struct __ns_rr {
+	char		name[NS_MAXDNAME];
+	uint16_t	type;
+	uint16_t	rr_class;
+	uint32_t	ttl;
+	uint16_t	rdlength;
+	const unsigned char *rdata;
+} ns_rr;
+
+#define ns_rr_name(rr)	(((rr).name[0] != '\0') ? (rr).name : ".")
+#define ns_rr_type(rr)	((ns_type)((rr).type + 0))
+#define ns_rr_class(rr)	((ns_class)((rr).rr_class + 0))
+#define ns_rr_ttl(rr)	((rr).ttl + 0)
+#define ns_rr_rdlen(rr)	((rr).rdlength + 0)
+#define ns_rr_rdata(rr)	((rr).rdata + 0)
+
+typedef enum __ns_flag {
+	ns_f_qr,
+	ns_f_opcode,
+	ns_f_aa,
+	ns_f_tc,
+	ns_f_rd,
+	ns_f_ra,
+	ns_f_z,
+	ns_f_ad,
+	ns_f_cd,
+	ns_f_rcode,
+	ns_f_max
+} ns_flag;
+
+typedef enum __ns_opcode {
+	ns_o_query = 0,
+	ns_o_iquery = 1,
+	ns_o_status = 2,
+	ns_o_notify = 4,
+	ns_o_update = 5,
+	ns_o_max = 6
+} ns_opcode;
+
+typedef	enum __ns_rcode {
+	ns_r_noerror = 0,
+	ns_r_formerr = 1,
+	ns_r_servfail = 2,
+	ns_r_nxdomain = 3,
+	ns_r_notimpl = 4,
+	ns_r_refused = 5,
+	ns_r_yxdomain = 6,
+	ns_r_yxrrset = 7,
+	ns_r_nxrrset = 8,
+	ns_r_notauth = 9,
+	ns_r_notzone = 10,
+	ns_r_max = 11,
+	ns_r_badvers = 16,
+	ns_r_badsig = 16,
+	ns_r_badkey = 17,
+	ns_r_badtime = 18
+} ns_rcode;
+
+typedef enum __ns_update_operation {
+	ns_uop_delete = 0,
+	ns_uop_add = 1,
+	ns_uop_max = 2
+} ns_update_operation;
+
+struct ns_tsig_key {
+        char name[NS_MAXDNAME], alg[NS_MAXDNAME];
+        unsigned char *data;
+        int len;
+};
+typedef struct ns_tsig_key ns_tsig_key;
+
+struct ns_tcp_tsig_state {
+	int counter;
+	struct dst_key *key;
+	void *ctx;
+	unsigned char sig[NS_PACKETSZ];
+	int siglen;
+};
+typedef struct ns_tcp_tsig_state ns_tcp_tsig_state;
+
+#define NS_TSIG_FUDGE 300
+#define NS_TSIG_TCP_COUNT 100
+#define NS_TSIG_ALG_HMAC_MD5 "HMAC-MD5.SIG-ALG.REG.INT"
+
+#define NS_TSIG_ERROR_NO_TSIG -10
+#define NS_TSIG_ERROR_NO_SPACE -11
+#define NS_TSIG_ERROR_FORMERR -12
+
+typedef enum __ns_type {
+	ns_t_invalid = 0,
+	ns_t_a = 1,
+	ns_t_ns = 2,
+	ns_t_md = 3,
+	ns_t_mf = 4,
+	ns_t_cname = 5,
+	ns_t_soa = 6,
+	ns_t_mb = 7,
+	ns_t_mg = 8,
+	ns_t_mr = 9,
+	ns_t_null = 10,
+	ns_t_wks = 11,
+	ns_t_ptr = 12,
+	ns_t_hinfo = 13,
+	ns_t_minfo = 14,
+	ns_t_mx = 15,
+	ns_t_txt = 16,
+	ns_t_rp = 17,
+	ns_t_afsdb = 18,
+	ns_t_x25 = 19,
+	ns_t_isdn = 20,
+	ns_t_rt = 21,
+	ns_t_nsap = 22,
+	ns_t_nsap_ptr = 23,
+	ns_t_sig = 24,
+	ns_t_key = 25,
+	ns_t_px = 26,
+	ns_t_gpos = 27,
+	ns_t_aaaa = 28,
+	ns_t_loc = 29,
+	ns_t_nxt = 30,
+	ns_t_eid = 31,
+	ns_t_nimloc = 32,
+	ns_t_srv = 33,
+	ns_t_atma = 34,
+	ns_t_naptr = 35,
+	ns_t_kx = 36,
+	ns_t_cert = 37,
+	ns_t_a6 = 38,
+	ns_t_dname = 39,
+	ns_t_sink = 40,
+	ns_t_opt = 41,
+	ns_t_apl = 42,
+	ns_t_ds = 43,
+	ns_t_sshfp = 44,
+	ns_t_ipseckey = 45,
+	ns_t_rrsig = 46,
+	ns_t_nsec = 47,
+	ns_t_dnskey = 48,
+	ns_t_dhcid = 49,
+	ns_t_nsec3 = 50,
+	ns_t_nsec3param = 51,
+	ns_t_tlsa = 52,
+	ns_t_smimea = 53,
+	ns_t_hip = 55,
+	ns_t_ninfo = 56,
+	ns_t_rkey = 57,
+	ns_t_talink = 58,
+	ns_t_cds = 59,
+	ns_t_cdnskey = 60,
+	ns_t_openpgpkey = 61,
+	ns_t_csync = 62,
+	ns_t_spf = 99,
+	ns_t_uinfo = 100,
+	ns_t_uid = 101,
+	ns_t_gid = 102,
+	ns_t_unspec = 103,
+	ns_t_nid = 104,
+	ns_t_l32 = 105,
+	ns_t_l64 = 106,
+	ns_t_lp = 107,
+	ns_t_eui48 = 108,
+	ns_t_eui64 = 109,
+	ns_t_tkey = 249,
+	ns_t_tsig = 250,
+	ns_t_ixfr = 251,
+	ns_t_axfr = 252,
+	ns_t_mailb = 253,
+	ns_t_maila = 254,
+	ns_t_any = 255,
+	ns_t_zxfr = 256,
+	ns_t_uri = 256,
+	ns_t_caa = 257,
+	ns_t_avc = 258,
+	ns_t_ta = 32768,
+	ns_t_dlv = 32769,
+	ns_t_max = 65536
+} ns_type;
+
+#define	ns_t_qt_p(t) (ns_t_xfr_p(t) || (t) == ns_t_any || \
+		      (t) == ns_t_mailb || (t) == ns_t_maila)
+#define	ns_t_mrr_p(t) ((t) == ns_t_tsig || (t) == ns_t_opt)
+#define ns_t_rr_p(t) (!ns_t_qt_p(t) && !ns_t_mrr_p(t))
+#define ns_t_udp_p(t) ((t) != ns_t_axfr && (t) != ns_t_zxfr)
+#define ns_t_xfr_p(t) ((t) == ns_t_axfr || (t) == ns_t_ixfr || \
+		       (t) == ns_t_zxfr)
+
+typedef enum __ns_class {
+	ns_c_invalid = 0,
+	ns_c_in = 1,
+	ns_c_2 = 2,
+	ns_c_chaos = 3,
+	ns_c_hs = 4,
+	ns_c_none = 254,
+	ns_c_any = 255,
+	ns_c_max = 65536
+} ns_class;
+
+typedef enum __ns_key_types {
+	ns_kt_rsa = 1,
+	ns_kt_dh  = 2,
+	ns_kt_dsa = 3,
+	ns_kt_private = 254
+} ns_key_types;
+
+typedef enum __ns_cert_types {
+	cert_t_pkix = 1,
+	cert_t_spki = 2,
+	cert_t_pgp  = 3,
+	cert_t_url  = 253,
+	cert_t_oid  = 254
+} ns_cert_types;
+
+#define	NS_KEY_TYPEMASK		0xC000
+#define	NS_KEY_TYPE_AUTH_CONF	0x0000
+#define	NS_KEY_TYPE_CONF_ONLY	0x8000
+#define	NS_KEY_TYPE_AUTH_ONLY	0x4000
+#define	NS_KEY_TYPE_NO_KEY	0xC000
+#define	NS_KEY_NO_AUTH		0x8000
+#define	NS_KEY_NO_CONF		0x4000
+#define	NS_KEY_RESERVED2	0x2000
+#define	NS_KEY_EXTENDED_FLAGS	0x1000
+#define	NS_KEY_RESERVED4	0x0800
+#define	NS_KEY_RESERVED5	0x0400
+#define	NS_KEY_NAME_TYPE	0x0300
+#define	NS_KEY_NAME_USER	0x0000
+#define	NS_KEY_NAME_ENTITY	0x0200
+#define	NS_KEY_NAME_ZONE	0x0100
+#define	NS_KEY_NAME_RESERVED	0x0300
+#define	NS_KEY_RESERVED8	0x0080
+#define	NS_KEY_RESERVED9	0x0040
+#define	NS_KEY_RESERVED10	0x0020
+#define	NS_KEY_RESERVED11	0x0010
+#define	NS_KEY_SIGNATORYMASK	0x000F
+#define	NS_KEY_RESERVED_BITMASK ( NS_KEY_RESERVED2 | \
+				  NS_KEY_RESERVED4 | \
+				  NS_KEY_RESERVED5 | \
+				  NS_KEY_RESERVED8 | \
+				  NS_KEY_RESERVED9 | \
+				  NS_KEY_RESERVED10 | \
+				  NS_KEY_RESERVED11 )
+#define NS_KEY_RESERVED_BITMASK2 0xFFFF
+#define	NS_ALG_MD5RSA		1
+#define	NS_ALG_DH               2
+#define	NS_ALG_DSA              3
+#define	NS_ALG_DSS              NS_ALG_DSA
+#define	NS_ALG_EXPIRE_ONLY	253
+#define	NS_ALG_PRIVATE_OID	254
+
+#define NS_KEY_PROT_TLS         1
+#define NS_KEY_PROT_EMAIL       2
+#define NS_KEY_PROT_DNSSEC      3
+#define NS_KEY_PROT_IPSEC       4
+#define NS_KEY_PROT_ANY		255
+
+#define	NS_MD5RSA_MIN_BITS	 512
+#define	NS_MD5RSA_MAX_BITS	4096
+#define	NS_MD5RSA_MAX_BYTES	((NS_MD5RSA_MAX_BITS+7/8)*2+3)
+#define	NS_MD5RSA_MAX_BASE64	(((NS_MD5RSA_MAX_BYTES+2)/3)*4)
+#define NS_MD5RSA_MIN_SIZE	((NS_MD5RSA_MIN_BITS+7)/8)
+#define NS_MD5RSA_MAX_SIZE	((NS_MD5RSA_MAX_BITS+7)/8)
+
+#define NS_DSA_SIG_SIZE         41
+#define NS_DSA_MIN_SIZE         213
+#define NS_DSA_MAX_BYTES        405
+
+#define	NS_SIG_TYPE	0
+#define	NS_SIG_ALG	2
+#define	NS_SIG_LABELS	3
+#define	NS_SIG_OTTL	4
+#define	NS_SIG_EXPIR	8
+#define	NS_SIG_SIGNED	12
+#define	NS_SIG_FOOT	16
+#define	NS_SIG_SIGNER	18
+#define	NS_NXT_BITS 8
+#define	NS_NXT_BIT_SET(  n,p) (p[(n)/NS_NXT_BITS] |=  (0x80>>((n)%NS_NXT_BITS)))
+#define	NS_NXT_BIT_CLEAR(n,p) (p[(n)/NS_NXT_BITS] &= ~(0x80>>((n)%NS_NXT_BITS)))
+#define	NS_NXT_BIT_ISSET(n,p) (p[(n)/NS_NXT_BITS] &   (0x80>>((n)%NS_NXT_BITS)))
+#define NS_NXT_MAX 127
+
+#define NS_OPT_DNSSEC_OK        0x8000U
+#define NS_OPT_NSID		3
+
+#define NS_GET16(s, cp) (void)((s) = ns_get16(((cp)+=2)-2))
+#define NS_GET32(l, cp) (void)((l) = ns_get32(((cp)+=4)-4))
+#define NS_PUT16(s, cp) ns_put16((s), ((cp)+=2)-2)
+#define NS_PUT32(l, cp) ns_put32((l), ((cp)+=4)-4)
+
+unsigned ns_get16(const unsigned char *);
+unsigned long ns_get32(const unsigned char *);
+void ns_put16(unsigned, unsigned char *);
+void ns_put32(unsigned long, unsigned char *);
+
+int ns_initparse(const unsigned char *, int, ns_msg *);
+int ns_parserr(ns_msg *, ns_sect, int, ns_rr *);
+int ns_skiprr(const unsigned char *, const unsigned char *, ns_sect, int);
+int ns_name_uncompress(const unsigned char *, const unsigned char *, const unsigned char *, char *, size_t);
+
+
+#define	__BIND		19950621
+
+typedef struct {
+	unsigned	id :16;
+#if __BYTE_ORDER == __BIG_ENDIAN
+	unsigned	qr: 1;
+	unsigned	opcode: 4;
+	unsigned	aa: 1;
+	unsigned	tc: 1;
+	unsigned	rd: 1;
+	unsigned	ra: 1;
+	unsigned	unused :1;
+	unsigned	ad: 1;
+	unsigned	cd: 1;
+	unsigned	rcode :4;
+#else
+	unsigned	rd :1;
+	unsigned	tc :1;
+	unsigned	aa :1;
+	unsigned	opcode :4;
+	unsigned	qr :1;
+	unsigned	rcode :4;
+	unsigned	cd: 1;
+	unsigned	ad: 1;
+	unsigned	unused :1;
+	unsigned	ra :1;
+#endif
+	unsigned	qdcount :16;
+	unsigned	ancount :16;
+	unsigned	nscount :16;
+	unsigned	arcount :16;
+} HEADER;
+
+#define PACKETSZ	NS_PACKETSZ
+#define MAXDNAME	NS_MAXDNAME
+#define MAXCDNAME	NS_MAXCDNAME
+#define MAXLABEL	NS_MAXLABEL
+#define	HFIXEDSZ	NS_HFIXEDSZ
+#define QFIXEDSZ	NS_QFIXEDSZ
+#define RRFIXEDSZ	NS_RRFIXEDSZ
+#define	INT32SZ		NS_INT32SZ
+#define	INT16SZ		NS_INT16SZ
+#define INT8SZ		NS_INT8SZ
+#define	INADDRSZ	NS_INADDRSZ
+#define	IN6ADDRSZ	NS_IN6ADDRSZ
+#define	INDIR_MASK	NS_CMPRSFLGS
+#define NAMESERVER_PORT	NS_DEFAULTPORT
+
+#define S_ZONE		ns_s_zn
+#define S_PREREQ	ns_s_pr
+#define S_UPDATE	ns_s_ud
+#define S_ADDT		ns_s_ar
+
+#define QUERY		ns_o_query
+#define IQUERY		ns_o_iquery
+#define STATUS		ns_o_status
+#define	NS_NOTIFY_OP	ns_o_notify
+#define	NS_UPDATE_OP	ns_o_update
+
+#define NOERROR		ns_r_noerror
+#define FORMERR		ns_r_formerr
+#define SERVFAIL	ns_r_servfail
+#define NXDOMAIN	ns_r_nxdomain
+#define NOTIMP		ns_r_notimpl
+#define REFUSED		ns_r_refused
+#define YXDOMAIN	ns_r_yxdomain
+#define YXRRSET		ns_r_yxrrset
+#define NXRRSET		ns_r_nxrrset
+#define NOTAUTH		ns_r_notauth
+#define NOTZONE		ns_r_notzone
+
+#define DELETE		ns_uop_delete
+#define ADD		ns_uop_add
+
+#define T_A		ns_t_a
+#define T_NS		ns_t_ns
+#define T_MD		ns_t_md
+#define T_MF		ns_t_mf
+#define T_CNAME		ns_t_cname
+#define T_SOA		ns_t_soa
+#define T_MB		ns_t_mb
+#define T_MG		ns_t_mg
+#define T_MR		ns_t_mr
+#define T_NULL		ns_t_null
+#define T_WKS		ns_t_wks
+#define T_PTR		ns_t_ptr
+#define T_HINFO		ns_t_hinfo
+#define T_MINFO		ns_t_minfo
+#define T_MX		ns_t_mx
+#define T_TXT		ns_t_txt
+#define	T_RP		ns_t_rp
+#define T_AFSDB		ns_t_afsdb
+#define T_X25		ns_t_x25
+#define T_ISDN		ns_t_isdn
+#define T_RT		ns_t_rt
+#define T_NSAP		ns_t_nsap
+#define T_NSAP_PTR	ns_t_nsap_ptr
+#define	T_SIG		ns_t_sig
+#define	T_KEY		ns_t_key
+#define	T_PX		ns_t_px
+#define	T_GPOS		ns_t_gpos
+#define	T_AAAA		ns_t_aaaa
+#define	T_LOC		ns_t_loc
+#define	T_NXT		ns_t_nxt
+#define	T_EID		ns_t_eid
+#define	T_NIMLOC	ns_t_nimloc
+#define	T_SRV		ns_t_srv
+#define T_ATMA		ns_t_atma
+#define T_NAPTR		ns_t_naptr
+#define T_A6		ns_t_a6
+#define T_DNAME		ns_t_dname
+#define T_DS		ns_t_ds
+#define T_SSHFP		ns_t_sshfp
+#define T_IPSECKEY	ns_t_ipseckey
+#define T_RRSIG		ns_t_rrsig
+#define T_NSEC		ns_t_nsec
+#define T_DNSKEY	ns_t_dnskey
+#define T_DHCID		ns_t_dhcid
+#define T_NSEC3		ns_t_nsec3
+#define T_NSEC3PARAM	ns_t_nsec3param
+#define T_TLSA		ns_t_tlsa
+#define T_SMIMEA	ns_t_smimea
+#define T_HIP		ns_t_hip
+#define T_NINFO		ns_t_ninfo
+#define T_RKEY		ns_t_rkey
+#define T_TALINK	ns_t_talink
+#define T_CDS		ns_t_cds
+#define T_CDNSKEY	ns_t_cdnskey
+#define T_OPENPGPKEY	ns_t_openpgpkey
+#define T_CSYNC		ns_t_csync
+#define T_SPF		ns_t_spf
+#define T_UINFO		ns_t_uinfo
+#define T_UID		ns_t_uid
+#define T_GID		ns_t_gid
+#define T_UNSPEC	ns_t_unspec
+#define T_NID		ns_t_nid
+#define T_L32		ns_t_l32
+#define T_L64		ns_t_l64
+#define T_LP		ns_t_lp
+#define T_EUI48		ns_t_eui48
+#define T_EUI64		ns_t_eui64
+#define T_TKEY		ns_t_tkey
+#define	T_TSIG		ns_t_tsig
+#define	T_IXFR		ns_t_ixfr
+#define T_AXFR		ns_t_axfr
+#define T_MAILB		ns_t_mailb
+#define T_MAILA		ns_t_maila
+#define T_ANY		ns_t_any
+#define T_URI		ns_t_uri
+#define T_CAA		ns_t_caa
+#define T_AVC		ns_t_avc
+#define T_TA		ns_t_ta
+#define T_DLV		ns_t_dlv
+
+#define C_IN		ns_c_in
+#define C_CHAOS		ns_c_chaos
+#define C_HS		ns_c_hs
+#define C_NONE		ns_c_none
+#define C_ANY		ns_c_any
+
+#define	GETSHORT		NS_GET16
+#define	GETLONG			NS_GET32
+#define	PUTSHORT		NS_PUT16
+#define	PUTLONG			NS_PUT32
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/include/musl/arpa/nameser_compat.h b/include/musl/arpa/nameser_compat.h
new file mode 100644
index 0000000..3aac25c
--- /dev/null
+++ b/include/musl/arpa/nameser_compat.h
@@ -0,0 +1,2 @@
+#include <arpa/nameser.h>
+
diff --git a/include/musl/arpa/telnet.h b/include/musl/arpa/telnet.h
new file mode 100644
index 0000000..e2ad974
--- /dev/null
+++ b/include/musl/arpa/telnet.h
@@ -0,0 +1,251 @@
+#ifndef _ARPA_TELNET_H
+#define	_ARPA_TELNET_H
+
+#define	IAC	255
+#define	DONT	254
+#define	DO	253
+#define	WONT	252
+#define	WILL	251
+#define	SB	250
+#define	GA	249
+#define	EL	248
+#define	EC	247
+#define	AYT	246
+#define	AO	245
+#define	IP	244
+#define	BREAK	243
+#define	DM	242
+#define	NOP	241
+#define	SE	240
+#define EOR     239
+#define	ABORT	238
+#define	SUSP	237
+#define	xEOF	236
+
+#define SYNCH	242
+
+#define telcmds ((char [][6]){ "EOF", "SUSP", "ABORT", "EOR", "SE", "NOP", "DMARK", "BRK", "IP", "AO", "AYT", "EC", "EL", "GA", "SB", "WILL", "WONT", "DO", "DONT", "IAC", 0 })
+
+#define	TELCMD_FIRST	xEOF
+#define	TELCMD_LAST	IAC
+#define	TELCMD_OK(x)	((unsigned int)(x) <= TELCMD_LAST && \
+			 (unsigned int)(x) >= TELCMD_FIRST)
+#define	TELCMD(x)	telcmds[(x)-TELCMD_FIRST]
+
+#define TELOPT_BINARY	0
+#define TELOPT_ECHO	1
+#define	TELOPT_RCP	2
+#define	TELOPT_SGA	3
+#define	TELOPT_NAMS	4
+#define	TELOPT_STATUS	5
+#define	TELOPT_TM	6
+#define	TELOPT_RCTE	7
+#define TELOPT_NAOL 	8
+#define TELOPT_NAOP 	9
+#define TELOPT_NAOCRD	10
+#define TELOPT_NAOHTS	11
+#define TELOPT_NAOHTD	12
+#define TELOPT_NAOFFD	13
+#define TELOPT_NAOVTS	14
+#define TELOPT_NAOVTD	15
+#define TELOPT_NAOLFD	16
+#define TELOPT_XASCII	17
+#define	TELOPT_LOGOUT	18
+#define	TELOPT_BM	19
+#define	TELOPT_DET	20
+#define	TELOPT_SUPDUP	21
+#define	TELOPT_SUPDUPOUTPUT 22
+#define	TELOPT_SNDLOC	23
+#define	TELOPT_TTYPE	24
+#define	TELOPT_EOR	25
+#define	TELOPT_TUID	26
+#define	TELOPT_OUTMRK	27
+#define	TELOPT_TTYLOC	28
+#define	TELOPT_3270REGIME 29
+#define	TELOPT_X3PAD	30
+#define	TELOPT_NAWS	31
+#define	TELOPT_TSPEED	32
+#define	TELOPT_LFLOW	33
+#define TELOPT_LINEMODE	34
+#define TELOPT_XDISPLOC	35
+#define TELOPT_OLD_ENVIRON 36
+#define	TELOPT_AUTHENTICATION 37/* Authenticate */
+#define	TELOPT_ENCRYPT	38
+#define TELOPT_NEW_ENVIRON 39
+#define	TELOPT_EXOPL	255
+
+
+#define	NTELOPTS	(1+TELOPT_NEW_ENVIRON)
+#ifdef TELOPTS
+char *telopts[NTELOPTS+1] = {
+	"BINARY", "ECHO", "RCP", "SUPPRESS GO AHEAD", "NAME",
+	"STATUS", "TIMING MARK", "RCTE", "NAOL", "NAOP",
+	"NAOCRD", "NAOHTS", "NAOHTD", "NAOFFD", "NAOVTS",
+	"NAOVTD", "NAOLFD", "EXTEND ASCII", "LOGOUT", "BYTE MACRO",
+	"DATA ENTRY TERMINAL", "SUPDUP", "SUPDUP OUTPUT",
+	"SEND LOCATION", "TERMINAL TYPE", "END OF RECORD",
+	"TACACS UID", "OUTPUT MARKING", "TTYLOC",
+	"3270 REGIME", "X.3 PAD", "NAWS", "TSPEED", "LFLOW",
+	"LINEMODE", "XDISPLOC", "OLD-ENVIRON", "AUTHENTICATION",
+	"ENCRYPT", "NEW-ENVIRON",
+	0,
+};
+#define	TELOPT_FIRST	TELOPT_BINARY
+#define	TELOPT_LAST	TELOPT_NEW_ENVIRON
+#define	TELOPT_OK(x)	((unsigned int)(x) <= TELOPT_LAST)
+#define	TELOPT(x)	telopts[(x)-TELOPT_FIRST]
+#endif
+
+#define	TELQUAL_IS	0
+#define	TELQUAL_SEND	1
+#define	TELQUAL_INFO	2
+#define	TELQUAL_REPLY	2
+#define	TELQUAL_NAME	3
+
+#define	LFLOW_OFF		0
+#define	LFLOW_ON		1
+#define	LFLOW_RESTART_ANY	2
+#define	LFLOW_RESTART_XON	3
+
+
+#define	LM_MODE		1
+#define	LM_FORWARDMASK	2
+#define	LM_SLC		3
+
+#define	MODE_EDIT	0x01
+#define	MODE_TRAPSIG	0x02
+#define	MODE_ACK	0x04
+#define MODE_SOFT_TAB	0x08
+#define MODE_LIT_ECHO	0x10
+
+#define	MODE_MASK	0x1f
+
+#define MODE_FLOW		0x0100
+#define MODE_ECHO		0x0200
+#define MODE_INBIN		0x0400
+#define MODE_OUTBIN		0x0800
+#define MODE_FORCE		0x1000
+
+#define	SLC_SYNCH	1
+#define	SLC_BRK		2
+#define	SLC_IP		3
+#define	SLC_AO		4
+#define	SLC_AYT		5
+#define	SLC_EOR		6
+#define	SLC_ABORT	7
+#define	SLC_EOF		8
+#define	SLC_SUSP	9
+#define	SLC_EC		10
+#define	SLC_EL		11
+#define	SLC_EW		12
+#define	SLC_RP		13
+#define	SLC_LNEXT	14
+#define	SLC_XON		15
+#define	SLC_XOFF	16
+#define	SLC_FORW1	17
+#define	SLC_FORW2	18
+
+#define	NSLC		18
+
+#define	SLC_NAMELIST	"0", "SYNCH", "BRK", "IP", "AO", "AYT", "EOR", \
+			"ABORT", "EOF", "SUSP", "EC", "EL", "EW", "RP", \
+			"LNEXT", "XON", "XOFF", "FORW1", "FORW2", 0,
+#ifdef	SLC_NAMES
+char *slc_names[] = {
+	SLC_NAMELIST
+};
+#else
+extern char *slc_names[];
+#define	SLC_NAMES SLC_NAMELIST
+#endif
+
+#define	SLC_NAME_OK(x)	((unsigned int)(x) <= NSLC)
+#define SLC_NAME(x)	slc_names[x]
+
+#define	SLC_NOSUPPORT	0
+#define	SLC_CANTCHANGE	1
+#define	SLC_VARIABLE	2
+#define	SLC_DEFAULT	3
+#define	SLC_LEVELBITS	0x03
+
+#define	SLC_FUNC	0
+#define	SLC_FLAGS	1
+#define	SLC_VALUE	2
+
+#define	SLC_ACK		0x80
+#define	SLC_FLUSHIN	0x40
+#define	SLC_FLUSHOUT	0x20
+
+#define	OLD_ENV_VAR	1
+#define	OLD_ENV_VALUE	0
+#define	NEW_ENV_VAR	0
+#define	NEW_ENV_VALUE	1
+#define	ENV_ESC		2
+#define ENV_USERVAR	3
+
+#define	AUTH_WHO_CLIENT		0
+#define	AUTH_WHO_SERVER		1
+#define	AUTH_WHO_MASK		1
+
+#define	AUTH_HOW_ONE_WAY	0
+#define	AUTH_HOW_MUTUAL		2
+#define	AUTH_HOW_MASK		2
+
+#define	AUTHTYPE_NULL		0
+#define	AUTHTYPE_KERBEROS_V4	1
+#define	AUTHTYPE_KERBEROS_V5	2
+#define	AUTHTYPE_SPX		3
+#define	AUTHTYPE_MINK		4
+#define	AUTHTYPE_CNT		5
+
+#define	AUTHTYPE_TEST		99
+
+#ifdef	AUTH_NAMES
+char *authtype_names[] = {
+	"NULL", "KERBEROS_V4", "KERBEROS_V5", "SPX", "MINK", 0,
+};
+#else
+extern char *authtype_names[];
+#endif
+
+#define	AUTHTYPE_NAME_OK(x)	((unsigned int)(x) < AUTHTYPE_CNT)
+#define	AUTHTYPE_NAME(x)	authtype_names[x]
+
+#define	ENCRYPT_IS		0
+#define	ENCRYPT_SUPPORT		1
+#define	ENCRYPT_REPLY		2
+#define	ENCRYPT_START		3
+#define	ENCRYPT_END		4
+#define	ENCRYPT_REQSTART	5
+#define	ENCRYPT_REQEND		6
+#define	ENCRYPT_ENC_KEYID	7
+#define	ENCRYPT_DEC_KEYID	8
+#define	ENCRYPT_CNT		9
+
+#define	ENCTYPE_ANY		0
+#define	ENCTYPE_DES_CFB64	1
+#define	ENCTYPE_DES_OFB64	2
+#define	ENCTYPE_CNT		3
+
+#ifdef	ENCRYPT_NAMES
+char *encrypt_names[] = {
+	"IS", "SUPPORT", "REPLY", "START", "END",
+	"REQUEST-START", "REQUEST-END", "ENC-KEYID", "DEC-KEYID",
+	0,
+};
+char *enctype_names[] = {
+	"ANY", "DES_CFB64",  "DES_OFB64",  0,
+};
+#else
+extern char *encrypt_names[];
+extern char *enctype_names[];
+#endif
+
+
+#define	ENCRYPT_NAME_OK(x)	((unsigned int)(x) < ENCRYPT_CNT)
+#define	ENCRYPT_NAME(x)		encrypt_names[x]
+
+#define	ENCTYPE_NAME_OK(x)	((unsigned int)(x) < ENCTYPE_CNT)
+#define	ENCTYPE_NAME(x)		enctype_names[x]
+
+#endif
diff --git a/include/musl/arpa/tftp.h b/include/musl/arpa/tftp.h
new file mode 100644
index 0000000..799c54f
--- /dev/null
+++ b/include/musl/arpa/tftp.h
@@ -0,0 +1,31 @@
+#ifndef _ARPA_TFTP_H
+#define _ARPA_TFTP_H
+#define SEGSIZE 512
+#define RRQ 01
+#define WRQ 02
+#define DATA 03
+#define ACK 04
+#define ERROR 05
+struct tftphdr {
+	short th_opcode;
+	union {
+		unsigned short tu_block;
+		short tu_code;
+		char tu_stuff[1];
+	} th_u;
+	char th_data[1];
+};
+#define th_block th_u.tu_block
+#define th_code th_u.tu_code
+#define th_stuff th_u.tu_stuff
+#define th_msg th_data
+#define EUNDEF 0
+#define ENOTFOUND 1
+#define EACCESS 2
+#define ENOSPACE 3
+#define EBADOP 4
+#define EBADID 5
+#define EEXISTS 6
+#define ENOUSER 7
+#endif
+