tcpreplay/src/config.h.in

/* src/config.h.in.  Generated from configure.ac by autoheader.  */

/* Define if building universal (internal helper macro) */
#undef AC_APPLE_UNIVERSAL_BUILD

/* What version of autogen is installed on this system */
#undef AUTOGEN_VERSION

/* Enable debugging code and support for the -d option */
#undef DEBUG

/* Enable dmalloc function arg checking */
#undef DMALLOC_FUNC_CHECK

/* Enable Electric Fence memory debugger */
#undef EFENCE

/* Use 64bit packet counters */
#undef ENABLE_64BITS

/* Enable dmalloc */
#undef ENABLE_DMALLOC

/* Use shared libraries ( .so .dylib or .tbd ) */
#undef ENABLE_DYNAMIC_LINK

/* Enable fragroute module */
#undef ENABLE_FRAGROUTE

/* nls support in libopts */
#undef ENABLE_NLS

/* Enable use of pcap_findalldevs() */
#undef ENABLE_PCAP_FINDALLDEVS

/* Use static libraries ( .a or .A.tbd ) */
#undef ENABLE_STATIC_LINK

/* Compile tcpbridge */
#undef ENABLE_TCPBRIDGE

/* Compile tcpliveplay */
#undef ENABLE_TCPLIVEPLAY

/* Do we have tcpdump and pcap_dump_fopen()? */
#undef ENABLE_VERBOSE

/* Enable additional debugging code (may affect performance) */
#undef EXTRA_DEBUG

/* fopen(3) accepts a 'b' in the mode flag */
#undef FOPEN_BINARY_FLAG

/* fopen(3) accepts a 't' in the mode flag */
#undef FOPEN_TEXT_FLAG

/* Are we strictly aligned? */
#undef FORCE_ALIGN

/* Force using BPF for sending packet */
#undef FORCE_INJECT_BPF

/* Force using libdnet for sending packets */
#undef FORCE_INJECT_LIBDNET

/* Force using libpcap's pcap_inject() for sending packets */
#undef FORCE_INJECT_PCAP_INJECT

/* Force using libpcap's pcap_sendpacket() for sending packets */
#undef FORCE_INJECT_PCAP_SENDPACKET

/* Force using Linux's PF_PACKET for sending packets */
#undef FORCE_INJECT_PF

/* Enable GNU Profiler */
#undef GPROF

/* Define to 1 if you have the `alarm' function. */
#undef HAVE_ALARM

/* Define to 1 if you have the <architecture/i386/pio.h> header file. */
#undef HAVE_ARCHITECTURE_I386_PIO_H

/* Define to 1 if you have the <arpa/inet.h> header file. */
#undef HAVE_ARPA_INET_H

/* Define to 1 if you have the `atexit' function. */
#undef HAVE_ATEXIT

/* Do we have BPF device support? */
#undef HAVE_BPF

/* Define to 1 if you have the `bzero' function. */
#undef HAVE_BZERO

/* Define to 1 if you have the `canonicalize_file_name' function. */
#undef HAVE_CANONICALIZE_FILE_NAME

/* Define to 1 if you have the `chmod' function. */
#undef HAVE_CHMOD

/* Define to 1 if you have the `ctime' function. */
#undef HAVE_CTIME

/* Building Cygwin */
#undef HAVE_CYGWIN

/* Building Apple/Darwin */
#undef HAVE_DARWIN

/* Define this if /dev/zero is readable device */
#undef HAVE_DEV_ZERO

/* Define to 1 if you have the <dirent.h> header file, and it defines `DIR'.
   */
#undef HAVE_DIRENT_H

/* Define to 1 if you have the <dlfcn.h> header file. */
#undef HAVE_DLFCN_H

/* Does pcap.h include a header with DLT_C_HDLC? */
#undef HAVE_DLT_C_HDLC

/* Does pcap.h include a header with DLT_LINUX_SLL? */
#undef HAVE_DLT_LINUX_SLL

/* Does libpcap have pcap_datalink_val_to_description? */
#undef HAVE_DLT_VAL_TO_DESC

/* Define to 1 if you have the <dnet.h> header file. */
#undef HAVE_DNET_H

/* Define to 1 if you don't have `vprintf' but do have `_doprnt.' */
#undef HAVE_DOPRNT

/* Define to 1 if you have the <dumbnet.h> header file. */
#undef HAVE_DUMBNET_H

/* Define to 1 if you have the `dup2' function. */
#undef HAVE_DUP2

/* Define to 1 if you have the <errno.h> header file. */
#undef HAVE_ERRNO_H

/* Define to 1 if you have the `fchmod' function. */
#undef HAVE_FCHMOD

/* Define to 1 if you have the <fcntl.h> header file. */
#undef HAVE_FCNTL_H

/* Define to 1 if you have the `fork' function. */
#undef HAVE_FORK

/* Building Free BSD */
#undef HAVE_FREEBSD

/* Define to 1 if fseeko (and presumably ftello) exists and is declared. */
#undef HAVE_FSEEKO

/* Define to 1 if you have the `fstat' function. */
#undef HAVE_FSTAT

/* Define to 1 if you have the `gethostbyname' function. */
#undef HAVE_GETHOSTBYNAME

/* Define to 1 if you have the `getpagesize' function. */
#undef HAVE_GETPAGESIZE

/* Define to 1 if you have the `gettimeofday' function. */
#undef HAVE_GETTIMEOFDAY

/* Do we have inet_addr? */
#undef HAVE_INET_ADDR

/* Do we have inet_aton? */
#undef HAVE_INET_ATON

/* Define to 1 if you have the `inet_ntoa' function. */
#undef HAVE_INET_NTOA

/* Do we have inet_ntop? */
#undef HAVE_INET_NTOP

/* Do we have inet_pton? */
#undef HAVE_INET_PTON

/* Define to 1 if the system has the type `int16_t'. */
#undef HAVE_INT16_T

/* Define to 1 if the system has the type `int32_t'. */
#undef HAVE_INT32_T

/* Define to 1 if the system has the type `int8_t'. */
#undef HAVE_INT8_T

/* Define to 1 if the system has the type `intptr_t'. */
#undef HAVE_INTPTR_T

/* Define to 1 if you have the <inttypes.h> header file. */
#undef HAVE_INTTYPES_H

/* Define to 1 if you have the `ioperm' function. */
#undef HAVE_IOPERM

/* Define to 1 if you have the `asan' library (-lasan). */
#undef HAVE_LIBASAN

/* Do we have libdnet? */
#undef HAVE_LIBDNET

/* Define to 1 if you have the `gen' library (-lgen). */
#undef HAVE_LIBGEN

/* Define to 1 if you have the <libgen.h> header file. */
#undef HAVE_LIBGEN_H

/* Define to 1 if you have the `intl' library (-lintl). */
#undef HAVE_LIBINTL

/* Define to 1 if you have the <libintl.h> header file. */
#undef HAVE_LIBINTL_H

/* Define to 1 if you have the `nsl' library (-lnsl). */
#undef HAVE_LIBNSL

/* Does this version of libpcap support netmap? */
#undef HAVE_LIBPCAP_NETMAP

/* Define to 1 if you have the `resolv' library (-lresolv). */
#undef HAVE_LIBRESOLV

/* Define to 1 if you have the `rt' library (-lrt). */
#undef HAVE_LIBRT

/* Define to 1 if you have the `socket' library (-lsocket). */
#undef HAVE_LIBSOCKET

/* Define to 1 if you have the <limits.h> header file. */
#undef HAVE_LIMITS_H

/* Building Linux */
#undef HAVE_LINUX

/* Define to 1 if you have the `memmove' function. */
#undef HAVE_MEMMOVE

/* Define to 1 if you have the <memory.h> header file. */
#undef HAVE_MEMORY_H

/* Define to 1 if you have the `memset' function. */
#undef HAVE_MEMSET

/* Define to 1 if you have the `mmap' function. */
#undef HAVE_MMAP

/* Define to 1 if you have the `munmap' function. */
#undef HAVE_MUNMAP

/* Define to 1 if you have the <ndir.h> header file, and it defines `DIR'. */
#undef HAVE_NDIR_H

/* Define to 1 if you have the <netinet/in.h> header file. */
#undef HAVE_NETINET_IN_H

/* Define to 1 if you have the <netinet/in_systm.h> header file. */
#undef HAVE_NETINET_IN_SYSTM_H

/* Do we have netmap support? */
#undef HAVE_NETMAP

/* Does netmap have nm_open function? */
#undef HAVE_NETMAP_NM_OPEN

/* Does netmap struct nmreq have nr_flags defined? */
#undef HAVE_NETMAP_NR_FLAGS

/* Does netmap have NR_REG_MASK defined? */
#undef HAVE_NETMAP_NR_REG

/* Does structure netmap_ring have head/tail defined? */
#undef HAVE_NETMAP_RING_HEAD_TAIL

/* Define to 1 if you have the <net/bpf.h> header file. */
#undef HAVE_NET_BPF_H

/* Define to 1 if you have the <net/route.h> header file. */
#undef HAVE_NET_ROUTE_H

/* Define to 1 if you have the `ntohll' function. */
#undef HAVE_NTOHLL

/* Building Open BSD */
#undef HAVE_OPENBSD

/* Define this if pathfind(3) works */
#undef HAVE_PATHFIND

/* Do we have libpcapnav? */
#undef HAVE_PCAPNAV

/* Does libpcap have pcap_breakloop? */
#undef HAVE_PCAP_BREAKLOOP

/* Does libpcap have pcap_dump_fopen? */
#undef HAVE_PCAP_DUMP_FOPEN

/* Does libpcap have pcap_get_selectable_fd? */
#undef HAVE_PCAP_GET_SELECTABLE_FD

/* Does libpcap have pcap_inject? */
#undef HAVE_PCAP_INJECT

/* Does libpcap have pcap_sendpacket? */
#undef HAVE_PCAP_SENDPACKET

/* Does libpcap have pcap_setnonblock? */
#undef HAVE_PCAP_SETNONBLOCK

/* Does libpcap have pcap_snapshot? */
#undef HAVE_PCAP_SNAPSHOT

/* Does libpcap have pcap_version[] */
#undef HAVE_PCAP_VERSION

/* Do we have Linux PF_PACKET socket support? */
#undef HAVE_PF_PACKET

/* Do we have PF_RING libpcap support? */
#undef HAVE_PF_RING_PCAP

/* Define to 1 if the system has the type `pid_t'. */
#undef HAVE_PID_T

/* Define to 1 if you have the `poll' function. */
#undef HAVE_POLL

/* Define to 1 if you have the <poll.h> header file. */
#undef HAVE_POLL_H

/* Define to 1 if you have the `pow' function. */
#undef HAVE_POW

/* Define to 1 if the system has the type `ptrdiff_t'. */
#undef HAVE_PTRDIFF_T

/* Define to 1 if you have the `putenv' function. */
#undef HAVE_PUTENV

/* Define to 1 if your system has a GNU libc compatible `realloc' function,
   and to 0 otherwise. */
#undef HAVE_REALLOC

/* Define this if we have a functional realpath(3C) */
#undef HAVE_REALPATH

/* Define to 1 if you have the `regcomp' function. */
#undef HAVE_REGCOMP

/* Define to 1 if you have the <runetype.h> header file. */
#undef HAVE_RUNETYPE_H

/* Define to 1 if you have the <sched.h> header file. */
#undef HAVE_SCHED_H

/* Define to 1 if you have the `select' function. */
#undef HAVE_SELECT

/* Define to 1 if you have the <setjmp.h> header file. */
#undef HAVE_SETJMP_H

/* Define to 1 if you have the <signal.h> header file. */
#undef HAVE_SIGNAL_H

/* Define to 1 if the system has the type `size_t'. */
#undef HAVE_SIZE_T

/* Define to 1 if you have the `snprintf' function. */
#undef HAVE_SNPRINTF

/* Define to 1 if you have the `socket' function. */
#undef HAVE_SOCKET

/* Building Solaris */
#undef HAVE_SOLARIS

/* Define to 1 if you have the <stdarg.h> header file. */
#undef HAVE_STDARG_H

/* Define to 1 if you have the <stdbool.h> header file. */
#undef HAVE_STDBOOL_H

/* Define to 1 if you have the <stddef.h> header file. */
#undef HAVE_STDDEF_H

/* Define to 1 if you have the <stdint.h> header file. */
#undef HAVE_STDINT_H

/* Define to 1 if you have the <stdlib.h> header file. */
#undef HAVE_STDLIB_H

/* Define to 1 if you have the `strcasecmp' function. */
#undef HAVE_STRCASECMP

/* Define to 1 if you have the `strchr' function. */
#undef HAVE_STRCHR

/* Define to 1 if you have the `strcspn' function. */
#undef HAVE_STRCSPN

/* Define to 1 if you have the `strdup' function. */
#undef HAVE_STRDUP

/* Define to 1 if you have the `strerror' function. */
#undef HAVE_STRERROR

/* Define this if strftime() works */
#undef HAVE_STRFTIME

/* Define to 1 if you have the <strings.h> header file. */
#undef HAVE_STRINGS_H

/* Define to 1 if you have the <string.h> header file. */
#undef HAVE_STRING_H

/* Define to 1 if you have the `strlcpy' function. */
#undef HAVE_STRLCPY

/* Define to 1 if you have the `strncpy' function. */
#undef HAVE_STRNCPY

/* Define to 1 if you have the `strpbrk' function. */
#undef HAVE_STRPBRK

/* Define to 1 if you have the `strrchr' function. */
#undef HAVE_STRRCHR

/* Define to 1 if you have the `strsignal' function. */
#undef HAVE_STRSIGNAL

/* Define to 1 if you have the `strspn' function. */
#undef HAVE_STRSPN

/* Define to 1 if you have the `strstr' function. */
#undef HAVE_STRSTR

/* Define to 1 if you have the `strtol' function. */
#undef HAVE_STRTOL

/* Define to 1 if you have the `strtoul' function. */
#undef HAVE_STRTOUL

/* Define to 1 if you have the `strtoull' function. */
#undef HAVE_STRTOULL

/* Define to 1 if `tv_sec' is a member of `struct timeval'. */
#undef HAVE_STRUCT_TIMEVAL_TV_SEC

/* Building SunOS */
#undef HAVE_SUNOS

/* Define to 1 if you have the <sysexits.h> header file. */
#undef HAVE_SYSEXITS_H

/* Define to 1 if you have the <sys/dir.h> header file, and it defines `DIR'.
   */
#undef HAVE_SYS_DIR_H

/* Define to 1 if you have the <sys/file.h> header file. */
#undef HAVE_SYS_FILE_H

/* Define to 1 if you have the <sys/ioctl.h> header file. */
#undef HAVE_SYS_IOCTL_H

/* Define to 1 if you have the <sys/io.h> header file. */
#undef HAVE_SYS_IO_H

/* Define to 1 if you have the <sys/limits.h> header file. */
#undef HAVE_SYS_LIMITS_H

/* Define to 1 if you have the <sys/mman.h> header file. */
#undef HAVE_SYS_MMAN_H

/* Define to 1 if you have the <sys/ndir.h> header file, and it defines `DIR'.
   */
#undef HAVE_SYS_NDIR_H

/* Define to 1 if you have the <sys/param.h> header file. */
#undef HAVE_SYS_PARAM_H

/* Define to 1 if you have the <sys/poll.h> header file. */
#undef HAVE_SYS_POLL_H

/* Define to 1 if you have the <sys/procset.h> header file. */
#undef HAVE_SYS_PROCSET_H

/* Define to 1 if you have the <sys/select.h> header file. */
#undef HAVE_SYS_SELECT_H

/* Define to 1 if you have the <sys/socket.h> header file. */
#undef HAVE_SYS_SOCKET_H

/* Define to 1 if you have the <sys/stat.h> header file. */
#undef HAVE_SYS_STAT_H

/* Define to 1 if you have the <sys/stropts.h> header file. */
#undef HAVE_SYS_STROPTS_H

/* Define to 1 if you have the <sys/sysctl.h> header file. */
#undef HAVE_SYS_SYSCTL_H

/* Define to 1 if you have the <sys/systeminfo.h> header file. */
#undef HAVE_SYS_SYSTEMINFO_H

/* Define to 1 if you have the <sys/time.h> header file. */
#undef HAVE_SYS_TIME_H

/* Define to 1 if you have the <sys/types.h> header file. */
#undef HAVE_SYS_TYPES_H

/* Define to 1 if you have the <sys/un.h> header file. */
#undef HAVE_SYS_UN_H

/* Define to 1 if you have the <sys/wait.h> header file. */
#undef HAVE_SYS_WAIT_H

/* Do we have tcpdump? */
#undef HAVE_TCPDUMP

/* Do we have TUNTAP device support? */
#undef HAVE_TUNTAP

/* Do we have Linux TX_RING socket support? */
#undef HAVE_TX_RING

/* Define to 1 if the system has the type `uint16_t'. */
#undef HAVE_UINT16_T

/* Define to 1 if the system has the type `uint32_t'. */
#undef HAVE_UINT32_T

/* Define to 1 if the system has the type `uint8_t'. */
#undef HAVE_UINT8_T

/* Define to 1 if the system has the type `uintptr_t'. */
#undef HAVE_UINTPTR_T

/* Define to 1 if the system has the type `uint_t'. */
#undef HAVE_UINT_T

/* Define to 1 if you have the <unistd.h> header file. */
#undef HAVE_UNISTD_H

/* Define to 1 if you have the <utime.h> header file. */
#undef HAVE_UTIME_H

/* Define to 1 if you have the <values.h> header file. */
#undef HAVE_VALUES_H

/* Define to 1 if you have the <varargs.h> header file. */
#undef HAVE_VARARGS_H

/* Define to 1 if you have the `vfork' function. */
#undef HAVE_VFORK

/* Define to 1 if you have the <vfork.h> header file. */
#undef HAVE_VFORK_H

/* Define to 1 if you have the `vprintf' function. */
#undef HAVE_VPRINTF

/* Define to 1 if you have the `vsnprintf' function. */
#undef HAVE_VSNPRINTF

/* Define to 1 if you have the <wchar.h> header file. */
#undef HAVE_WCHAR_H

/* Define to 1 if the system has the type `wchar_t'. */
#undef HAVE_WCHAR_T

/* Windows/Cygwin */
#undef HAVE_WIN32

/* Do we have WinPcap? */
#undef HAVE_WINPCAP

/* Define to 1 if the system has the type `wint_t'. */
#undef HAVE_WINT_T

/* Define to 1 if `fork' works. */
#undef HAVE_WORKING_FORK

/* Define to 1 if `vfork' works. */
#undef HAVE_WORKING_VFORK

/* Define to 1 if the system has the type `_Bool'. */
#undef HAVE__BOOL

/* What is the path (if any) to the libpcap bpf header file? */
#undef INCLUDE_PCAP_BPF_HEADER

/* Version of libdnet */
#undef LIBDNET_VERSION

/* Define to 1 if `lstat' dereferences a symlink specified with a trailing
   slash. */
#undef LSTAT_FOLLOWS_SLASHED_SYMLINK

/* Define to the sub-directory where libtool stores uninstalled libraries. */
#undef LT_OBJDIR

/* Define to 1 if `major', `minor', and `makedev' are declared in <mkdev.h>.
   */
#undef MAJOR_IN_MKDEV

/* Define to 1 if `major', `minor', and `makedev' are declared in
   <sysmacros.h>. */
#undef MAJOR_IN_SYSMACROS

/* Define this if optional arguments are disallowed */
#undef NO_OPTIONAL_OPT_ARGS

/* Name of package */
#undef PACKAGE

/* Define to the address where bug reports for this package should be sent. */
#undef PACKAGE_BUGREPORT

/* Define to the full name of this package. */
#undef PACKAGE_NAME

/* Define to the full name and version of this package. */
#undef PACKAGE_STRING

/* Define to the one symbol short name of this package. */
#undef PACKAGE_TARNAME

/* Define to the home page for this package. */
#undef PACKAGE_URL

/* Define to the version of this package. */
#undef PACKAGE_VERSION

/* libpcapnav's version? */
#undef PCAPNAV_VERSION

/* define to a working POSIX compliant shell */
#undef POSIX_SHELL

/* name of regex header file */
#undef REGEX_HEADER

/* Define as the return type of signal handlers (`int' or `void'). */
#undef RETSIGTYPE

/* The size of `char *', as computed by sizeof. */
#undef SIZEOF_CHAR_P

/* The size of `int', as computed by sizeof. */
#undef SIZEOF_INT

/* The size of `long', as computed by sizeof. */
#undef SIZEOF_LONG

/* The size of `short', as computed by sizeof. */
#undef SIZEOF_SHORT

/* Define to 1 if you have the ANSI C header files. */
#undef STDC_HEADERS

/* The tcpdump binary initially used */
#undef TCPDUMP_BINARY

/* Enable dumping of trace timestamps at the end of a test */
#undef TIMESTAMP_TRACE

/* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
#undef TIME_WITH_SYS_TIME

/* Version number of package */
#undef VERSION

/* Define if using the dmalloc debugging malloc package */
#undef WITH_DMALLOC

/* Define this if a working libregex can be found */
#undef WITH_LIBREGEX

/* Define WORDS_BIGENDIAN to 1 if your processor stores words with the most
   significant byte first (like Motorola and SPARC, unlike Intel). */
#if defined AC_APPLE_UNIVERSAL_BUILD
# if defined __BIG_ENDIAN__
#  define WORDS_BIGENDIAN 1
# endif
#else
# ifndef WORDS_BIGENDIAN
#  undef WORDS_BIGENDIAN
# endif
#endif

/* Enable large inode numbers on Mac OS X 10.5.  */
#ifndef _DARWIN_USE_64_BIT_INODE
# define _DARWIN_USE_64_BIT_INODE 1
#endif

/* Number of bits in a file offset, on hosts where this is settable. */
#undef _FILE_OFFSET_BITS

/* Define to 1 to make fseeko visible on some hosts (e.g. glibc 2.2). */
#undef _LARGEFILE_SOURCE

/* Define for large files, on AIX-style hosts. */
#undef _LARGE_FILES

/* Define for Solaris 2.5.1 so the uint32_t typedef from <sys/synch.h>,
   <pthread.h>, or <semaphore.h> is not used. If the typedef were allowed, the
   #define below would cause a syntax error. */
#undef _UINT32_T

/* Define for Solaris 2.5.1 so the uint64_t typedef from <sys/synch.h>,
   <pthread.h>, or <semaphore.h> is not used. If the typedef were allowed, the
   #define below would cause a syntax error. */
#undef _UINT64_T

/* Define for Solaris 2.5.1 so the uint8_t typedef from <sys/synch.h>,
   <pthread.h>, or <semaphore.h> is not used. If the typedef were allowed, the
   #define below would cause a syntax error. */
#undef _UINT8_T

/* Define to empty if `const' does not conform to ANSI C. */
#undef const

/* Define to `__inline__' or `__inline' if that's what the C compiler
   calls it, or to nothing if 'inline' is not supported under any name.  */
#ifndef __cplusplus
#undef inline
#endif

/* Define to the type of a signed integer type of width exactly 16 bits if
   such a type exists and the standard includes do not define it. */
#undef int16_t

/* Define to the type of a signed integer type of width exactly 32 bits if
   such a type exists and the standard includes do not define it. */
#undef int32_t

/* Define to the type of a signed integer type of width exactly 64 bits if
   such a type exists and the standard includes do not define it. */
#undef int64_t

/* Define to the type of a signed integer type of width exactly 8 bits if such
   a type exists and the standard includes do not define it. */
#undef int8_t

/* Define to `long int' if <sys/types.h> does not define. */
#undef off_t

/* Define to `int' if <sys/types.h> does not define. */
#undef pid_t

/* Define to rpl_realloc if the replacement function should be used. */
#undef realloc

/* Define to `unsigned int' if <sys/types.h> does not define. */
#undef size_t

/* Define to `int' if <sys/types.h> does not define. */
#undef ssize_t

/* Define to `uint16_t' if <sys/types.h> does not define. */
#undef u_int16_t

/* Define to `uint32_t' if <sys/types.h> does not define. */
#undef u_int32_t

/* Define to `uint64_t' if <sys/types.h> does not define. */
#undef u_int64_t

/* Define to `uint8_t' if <sys/types.h> does not define. */
#undef u_int8_t

/* Define to the type of an unsigned integer type of width exactly 16 bits if
   such a type exists and the standard includes do not define it. */
#undef uint16_t

/* Define to the type of an unsigned integer type of width exactly 32 bits if
   such a type exists and the standard includes do not define it. */
#undef uint32_t

/* Define to the type of an unsigned integer type of width exactly 64 bits if
   such a type exists and the standard includes do not define it. */
#undef uint64_t

/* Define to the type of an unsigned integer type of width exactly 8 bits if
   such a type exists and the standard includes do not define it. */
#undef uint8_t

/* Define as `fork' if `vfork' does not work. */
#undef vfork