/* Our own header. Tabs are set for 4 spaces, not 8 */

//#ifndef __unp_h

//#define __unp_h

//#include "../config.h" /* configuration options for current OS */

/* "../config.h" is generated by configure */

/* If anything changes in the following list of #includes, must change

acsite.m4 also, for configure's tests. */

#include <sys/types.h> /* basic system data types */

#include <sys/socket.h> /* basic socket definitions */

#include <sys/time.h> /* timeval{} for select() */

#include <time.h> /* timespec{} for pselect() */

#include <netinet/in.h> /* sockaddr_in{} and other Internet defns */

#include <arpa/inet.h> /* inet(3) functions */

#include <errno.h>

#include <fcntl.h> /* for nonblocking */

#include <netdb.h>

#include <signal.h>

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <sys/stat.h> /* for S_xxx file mode constants */

#include <sys/uio.h> /* for iovec{} and readv/writev */

#include <unistd.h>

#include <sys/wait.h>

#include <sys/un.h> /* for Unix domain sockets */

#ifdef HAVE_SYS_SELECT_H

# include <sys/select.h> /* for convenience */

#endif

#ifdef HAVE_SYS_SYSCTL_H

# include <sys/sysctl.h>

#endif

#ifdef HAVE_POLL_H

# include <poll.h> /* for convenience */

#endif

#ifdef HAVE_SYS_EVENT_H

# include <sys/event.h> /* for kqueue */

#endif

#ifdef HAVE_STRINGS_H

# include <strings.h> /* for convenience */

#endif

/* Three headers are normally needed for socket/file ioctl's:

* <sys/ioctl.h>, <sys/filio.h>, and <sys/sockio.h>.

*/

#ifdef HAVE_SYS_IOCTL_H

# include <sys/ioctl.h>

#endif

#ifdef HAVE_SYS_FILIO_H

# include <sys/filio.h>

#endif

#ifdef HAVE_SYS_SOCKIO_H

# include <sys/sockio.h>

#endif

#ifdef HAVE_PTHREAD_H

# include <pthread.h>

#endif

#ifdef HAVE_NET_IF_DL_H

# include <net/if_dl.h>

#endif

#ifdef HAVE_NETINET_SCTP_H

#include <netinet/sctp.h>

#endif

/* OSF/1 actually disables recv() and send() in <sys/socket.h> */

#ifdef __osf__

#undef recv

#undef send

#define recv(a,b,c,d) recvfrom(a,b,c,d,0,0)

#define send(a,b,c,d) sendto(a,b,c,d,0,0)

#endif

#ifndef INADDR_NONE

#define INADDR_NONE 0xffffffff /* should have been in <netinet/in.h> */

#endif

#ifndef SHUT_RD /* these three POSIX names are new */

#define SHUT_RD 0 /* shutdown for reading */

#define SHUT_WR 1 /* shutdown for writing */

#define SHUT_RDWR 2 /* shutdown for reading and writing */

#endif

#ifndef INET_ADDRSTRLEN

#define INET_ADDRSTRLEN 16 /* "ddd.ddd.ddd.ddd\0"

1234567890123456 */

#endif

/* Define following even if IPv6 not supported, so we can always allocate

an adequately sized buffer without #ifdefs in the code. */

#ifndef INET6_ADDRSTRLEN

#define INET6_ADDRSTRLEN 46 /* max size of IPv6 address string:

"xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx" or

"xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:ddd.ddd.ddd.ddd\0"

1234567890123456789012345678901234567890123456 */

#endif

/* Define bzero() as a macro if it's not in standard C library. */

#ifndef HAVE_BZERO

#define bzero(ptr,n) memset (ptr, 0, n)

#endif

/* Older resolvers do not have gethostbyname2() */

#ifndef HAVE_GETHOSTBYNAME2

#define gethostbyname2(host,family) gethostbyname((host))

#endif

/* The structure returned by recvfrom_flags() */

struct unp_in_pktinfo {

struct in_addr ipi_addr; /* dst IPv4 address */

int ipi_ifindex; /* received interface index */

};

/* We need the newer CMSG_LEN() and CMSG_SPACE() macros, but few

implementations support them today. These two macros really need

an ALIGN() macro, but each implementation does this differently. */

#ifndef CMSG_LEN

#define CMSG_LEN(size) (sizeof(struct cmsghdr) + (size))

#endif

#ifndef CMSG_SPACE

#define CMSG_SPACE(size) (sizeof(struct cmsghdr) + (size))

#endif

/* POSIX requires the SUN_LEN() macro, but not all implementations define

it (yet). Note that this 4.4BSD macro works regardless whether there is

a length field or not. */

#ifndef SUN_LEN

# define SUN_LEN (su) \

(sizeof (*(su)) - sizeof ((su)->sun_path) + strlen((su)->sun_path))

#endif

/* POSIX renames "Unix domain" as "local IPC."

Not all systems define AF_LOCAL and PF_LOCAL (yet). */

#ifndef AF_LOCAL

#define AF_LOCAL AF_UNIX

#endif

#ifndef PF_LOCAL

#define PF_LOCAL PF_UNIX

#endif

/* POSIX requires that an #include of <poll.h> define INFTIM, but many

systems still define it in <sys/stropts.h>. We don't want to include

all the STREAMS stuff if it's not needed, so we just define INFTIM here.

This is the standard value, but there's no guarantee it is -1. */

#ifndef INFTIM

#define INFTIM (-1) /* infinite poll timeout */

#ifdef HAVE_POLL_H

#define INFTIM_UNPH /* tell unpxti.h we defined it */

#endif

#endif

/* Following could be derived from SOMAXCONN in <sys/socket.h>, but many

kernels still #define it as 5, while actually supporting many more */

#define LISTENQ 1024 /* 2nd argument to listen () */

/* Miscellaneous constants */

#define MAXLINE 4096 /* max text line length */

#define BUFFSIZE 8192 /* buffer size for reads and writes */

/* Define some port number that can be used for our examples */

#define SERV_PORT 9877 /* TCP and UDP */

#define SERV_PORT_STR "9877" /* TCP and UDP */

#define UNIXSTR_PATH "/tmp/unix.str" /* Unix domain stream */

#define UNIXDG_PATH "/tmp/unix.dg" /* Unix domain datagram */

/* Following shortens all the typecasts of pointer arguments: */

#define SA struct sockaddr

#define HAVE_STRUCT_SOCKADDR_STORAGE

#ifndef HAVE_STRUCT_SOCKADDR_STORAGE

/*

* RFC 3493: protocol-independent placeholder for socket addresses

*/

#define __SS_MAXSIZE 128

#define __SS_ALIGNSIZE (sizeof(int64_t))

#ifdef HAVE_SOCKADDR_SA_LEN

#define __SS_PAD1SIZE (__SS_ALIGNSIZE - sizeof(u_char) - sizeof(sa_family_t))

#else

#define __SS_PAD1SIZE (__SS_ALIGNSIZE - sizeof(sa_family_t))

#endif

#define __SS_PAD2SIZE (__SS_MAXSIZE - 2*__SS_ALIGNSIZE)

struct sockaddr_storage {

#ifdef HAVE_SOCKADDR_SA_LEN

u_char ss_len;

#endif

sa_family_t ss_family;

char __ss_pad1[__SS_PAD1SIZE];

int64_t __ss_align;

char __ss_pad2[__SS_PAD2SIZE];

};

#endif

#define FILE_MODE (S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH)

/* default file access permissions for new files */

#define DIR_MODE (FILE_MODE | S_IXUSR | S_IXGRP | S_IXOTH)

/* default permissions for new directories */

typedef void Sigfunc (int); /* for signal handlers */

#define min(a,b) ((a) < (b) ? (a) : (b))

#define max(a,b) ((a) > (b) ? (a) : (b))

//#ifndef HAVE_ADDRINFO_STRUCT

//# include "../lib/addrinfo.h"

//#endif

#ifndef HAVE_IF_NAMEINDEX_STRUCT

struct if_nameindex {

unsigned int if_index; /* 1, 2, ... */

char *if_name; /* null-terminated name: "le0", ... */

};

#endif