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

fusl/include/netdb.h

Index: fusl/include/netdb.h
diff --git a/fusl/include/netdb.h b/fusl/include/netdb.h
new file mode 100644
index 0000000000000000000000000000000000000000..47940684e6db1d8419fdd538a6b3bbdb71c28888
--- /dev/null
+++ b/fusl/include/netdb.h
@@ -0,0 +1,160 @@
+#ifndef	_NETDB_H
+#define	_NETDB_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <features.h>
+#include <netinet/in.h>
+
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+#define __NEED_size_t
+#include <bits/alltypes.h>
+#endif
+
+struct addrinfo
+{
+	int ai_flags;
+	int ai_family;
+	int ai_socktype;
+	int ai_protocol;
+	socklen_t ai_addrlen;
+	struct sockaddr *ai_addr;
+	char *ai_canonname;
+	struct addrinfo *ai_next;
+};
+
+#define IPPORT_RESERVED 1024
+
+#define AI_PASSIVE      0x01
+#define AI_CANONNAME    0x02
+#define AI_NUMERICHOST  0x04
+#define AI_V4MAPPED     0x08
+#define AI_ALL          0x10
+#define AI_ADDRCONFIG   0x20
+#define AI_NUMERICSERV  0x400
+
+
+#define NI_NUMERICHOST  0x01
+#define NI_NUMERICSERV  0x02
+#define NI_NOFQDN       0x04
+#define NI_NAMEREQD     0x08
+#define NI_DGRAM        0x10
+#define NI_NUMERICSCOPE 0x100
+
+#define EAI_BADFLAGS   -1
+#define EAI_NONAME     -2
+#define EAI_AGAIN      -3
+#define EAI_FAIL       -4
+#define EAI_FAMILY     -6
+#define EAI_SOCKTYPE   -7
+#define EAI_SERVICE    -8
+#define EAI_MEMORY     -10
+#define EAI_SYSTEM     -11
+#define EAI_OVERFLOW   -12
+
+int getaddrinfo (const char *__restrict, const char *__restrict, const struct addrinfo *__restrict, struct addrinfo **__restrict);
+void freeaddrinfo (struct addrinfo *);
+int getnameinfo (const struct sockaddr *__restrict, socklen_t, char *__restrict, socklen_t, char *__restrict, socklen_t, int);
+const char *gai_strerror(int);
+
+
+/* Legacy functions follow (marked OBsolete in SUS) */
+
+struct netent
+{
+	char *n_name;
+	char **n_aliases;
+	int n_addrtype;
+	uint32_t n_net;
+};
+
+struct hostent
+{
+	char *h_name;
+	char **h_aliases;
+	int h_addrtype;
+	int h_length;
+	char **h_addr_list;
+};
+#define h_addr h_addr_list[0]
+
+struct servent
+{
+	char *s_name;
+	char **s_aliases;
+	int s_port;
+	char *s_proto;
+};
+
+struct protoent
+{
+	char *p_name;
+	char **p_aliases;
+	int p_proto;
+};
+
+void sethostent (int);
+void endhostent (void);
+struct hostent *gethostent (void);
+
+void setnetent (int);
+void endnetent (void);
+struct netent *getnetent (void);
+struct netent *getnetbyaddr (uint32_t, int);
+struct netent *getnetbyname (const char *);
+
+void setservent (int);
+void endservent (void);
+struct servent *getservent (void);
+struct servent *getservbyname (const char *, const char *);
+struct servent *getservbyport (int, const char *);
+
+void setprotoent (int);
+void endprotoent (void);
+struct protoent *getprotoent (void);
+struct protoent *getprotobyname (const char *);
+struct protoent *getprotobynumber (int);
+
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) || defined(_POSIX_SOURCE) \
+ || (defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE+0 < 200809L) \
+ || (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE+0 < 700)
+struct hostent *gethostbyname (const char *);
+struct hostent *gethostbyaddr (const void *, socklen_t, int);
+int *__h_errno_location(void);
+#define h_errno (*__h_errno_location())
+#define HOST_NOT_FOUND 1
+#define TRY_AGAIN      2
+#define NO_RECOVERY    3
+#define NO_DATA        4
+#define NO_ADDRESS     NO_DATA
+#endif
+
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+void herror(const char *);
+const char *hstrerror(int);
+int gethostbyname_r(const char *, struct hostent *, char *, size_t, struct hostent **, int *);
+int gethostbyname2_r(const char *, int, struct hostent *, char *, size_t, struct hostent **, int *);
+struct hostent *gethostbyname2(const char *, int);
+int gethostbyaddr_r(const void *, socklen_t, int, struct hostent *, char *, size_t, struct hostent **, int *);
+int getservbyport_r(int, const char *, struct servent *, char *, size_t, struct servent **);
+int getservbyname_r(const char *, const char *, struct servent *, char *, size_t, struct servent **);
+#define EAI_NODATA     -5
+#define EAI_ADDRFAMILY -9
+#define EAI_INPROGRESS -100
+#define EAI_CANCELED   -101
+#define EAI_NOTCANCELED -102
+#define EAI_ALLDONE    -103
+#define EAI_INTR       -104
+#define EAI_IDN_ENCODE -105
+#define NI_MAXHOST 255
+#define NI_MAXSERV 32
+#endif
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif