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#ifndef __NESTEDVM_SOCKETS_H#define __NESTEDVM_SOCKETS_H#include <sys/types.h>#include <sys/time.h>static unsigned short htons(int x) { return x; }static unsigned long htonl(int x) { return x; }static unsigned short ntohs(int x) { return x; }static unsigned long ntohl(int x) { return x; }/* Note AF_UNIX isn't supported */#define AF_UNIX 1#define PF_UNIX AF_UNIX#define AF_INET 2#define PF_INET AF_INET#define SOCK_STREAM 1#define SOCK_DGRAM 2#define HOST_NOT_FOUND  1#define TRY_AGAIN       2#define NO_RECOVERY     3#define NO_DATA         4#define SOL_SOCKET 0xffff#define SO_REUSEADDR 0x0004#define SO_KEEPALIVE 0x0008 #define SO_BROADCAST 0x0020#define SO_TYPE      0x1008#define SHUT_RD 0#define SHUT_WR 1#define SHUT_RDWR 2#define INADDR_ANY 0#define INADDR_NONE -1#define INADDR_LOOPBACK 0x7f000001#define INADDR_BROADCAST 0xfffffffftypedef unsigned long in_addr_t;typedef int socklen_t;struct in_addr {	in_addr_t s_addr;};struct sockaddr {    u_char sa_len;    u_char sa_family;    char sa_data[6];};struct sockaddr_in {	u_char	sin_len;	u_char	sin_family;	u_short	sin_port;	struct	in_addr sin_addr;};struct	sockaddr_un {	u_char	sun_len;	u_char	sun_family;	char	sun_path[256];};#define SUN_LEN(su) (sizeof(*(su)) - sizeof((su)->sun_path) + strlen((su)->sun_path))struct  servent {    char    *s_name;        /* official name of service */    char    **s_aliases;    /* alias list */    int     s_port;         /* port service resides at */    char    *s_proto;       /* protocol to use */};struct servent *getservbyname(const char *name, const char *proto);struct  hostent {    char    *h_name;        /* official name of host */    char    **h_aliases;    /* alias list */    int     h_addrtype;     /* host address type */    int     h_length;       /* length of address */    char    **h_addr_list;  /* list of addresses from name server */};#define h_addr  h_addr_list[0]  /* address, for backward compatibility */struct hostent *gethostbyname(const char *name);int socket(int domain, int type, int proto);int bind(int s, const struct sockaddr *addr, socklen_t addrlen);int listen(int s, int backlog);int accept(int s, struct sockaddr *addr, socklen_t *addrlen);int shutdown(int s, int how);int connect(int s, const struct sockaddr *name, socklen_t namelen);char *inet_ntoa(struct in_addr in);in_addr_t inet_addr(const char *cp);int inet_aton(const char *cp, struct in_addr *addr);int recvfrom(int s, void *buf, size_t len, int flags, struct sockaddr *from, socklen_t *fromlen);int sendto(int s, const void *msg, size_t len, int flags, const struct sockaddr *to, socklen_t tolen);int select(int n, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, struct timeval *timeout);int getsockopt(int s, int level, int name, void *val, socklen_t *len);int setsockopt(int s, int level, int name, const void *val, socklen_t len);extern int h_errno;void herror(const char *);#endif