+/* HAS_ATOLF:
+ * This symbol, if defined, indicates that the atolf routine is
+ * available to convert strings into long doubles.
+ */
+#$d_atolf HAS_ATOLF /**/
+
+/* HAS_ATOLL:
+ * This symbol, if defined, indicates that the atoll routine is
+ * available to convert strings into long longs.
+ */
+#$d_atoll HAS_ATOLL /**/
+
+/* HAS__FWALK:
+ * This symbol, if defined, indicates that the _fwalk system call is
+ * available to apply a function to all the file handles.
+ */
+#$d__fwalk HAS__FWALK /**/
+
+/* HAS_AINTL:
+ * This symbol, if defined, indicates that the aintl routine is
+ * available. If copysignl is also present we can emulate modfl.
+ */
+#$d_aintl HAS_AINTL /**/
+
+/* HAS_BUILTIN_CHOOSE_EXPR:
+ * Can we handle GCC builtin for compile-time ternary-like expressions
+ */
+/* HAS_BUILTIN_EXPECT:
+ * Can we handle GCC builtin for telling that certain values are more
+ * likely
+ */
+#$d_builtin_expect HAS_BUILTIN_EXPECT /**/
+#$d_builtin_choose_expr HAS_BUILTIN_CHOOSE_EXPR /**/
+
+/* HAS_C99_VARIADIC_MACROS:
+ * If defined, the compiler supports C99 variadic macros.
+ */
+#$d_c99_variadic_macros HAS_C99_VARIADIC_MACROS /**/
+
+/* HAS_CLASS:
+ * This symbol, if defined, indicates that the class routine is
+ * available to classify doubles. Available for example in AIX.
+ * The returned values are defined in <float.h> and are:
+ *
+ * FP_PLUS_NORM Positive normalized, nonzero
+ * FP_MINUS_NORM Negative normalized, nonzero
+ * FP_PLUS_DENORM Positive denormalized, nonzero
+ * FP_MINUS_DENORM Negative denormalized, nonzero
+ * FP_PLUS_ZERO +0.0
+ * FP_MINUS_ZERO -0.0
+ * FP_PLUS_INF +INF
+ * FP_MINUS_INF -INF
+ * FP_NANS Signaling Not a Number (NaNS)
+ * FP_NANQ Quiet Not a Number (NaNQ)
+ */
+#$d_class HAS_CLASS /**/
+
+/* HAS_CLEARENV:
+ * This symbol, if defined, indicates that the clearenv () routine is
+ * available for use.
+ */
+#$d_clearenv HAS_CLEARENV /**/
+
+/* HAS_STRUCT_CMSGHDR:
+ * This symbol, if defined, indicates that the struct cmsghdr
+ * is supported.
+ */
+#$d_cmsghdr_s HAS_STRUCT_CMSGHDR /**/
+
+/* HAS_COPYSIGNL:
+ * This symbol, if defined, indicates that the copysignl routine is
+ * available. If aintl is also present we can emulate modfl.
+ */
+#$d_copysignl HAS_COPYSIGNL /**/
+
+/* USE_CPLUSPLUS:
+ * This symbol, if defined, indicates that a C++ compiler was
+ * used to compiled Perl and will be used to compile extensions.
+ */
+#$d_cplusplus USE_CPLUSPLUS /**/
+
+/* HAS_DBMINIT_PROTO:
+ * This symbol, if defined, indicates that the system provides
+ * a prototype for the dbminit() function. Otherwise, it is up
+ * to the program to supply one. A good guess is
+ * extern int dbminit(char *);
+ */
+#$d_dbminitproto HAS_DBMINIT_PROTO /**/
+
+/* HAS_DIR_DD_FD:
+ * This symbol, if defined, indicates that the the DIR* dirstream
+ * structure contains a member variable named dd_fd.
+ */
+#$d_dir_dd_fd HAS_DIR_DD_FD /**/
+
+/* HAS_DIRFD:
+ * This manifest constant lets the C program know that dirfd
+ * is available.
+ */
+#$d_dirfd HAS_DIRFD /**/
+
+/* DLSYM_NEEDS_UNDERSCORE:
+ * This symbol, if defined, indicates that we need to prepend an
+ * underscore to the symbol name before calling dlsym(). This only
+ * makes sense if you *have* dlsym, which we will presume is the
+ * case if you're using dl_dlopen.xs.
+ */
+#$d_dlsymun DLSYM_NEEDS_UNDERSCORE /**/
+
+/* HAS_FAST_STDIO:
+ * This symbol, if defined, indicates that the "fast stdio"
+ * is available to manipulate the stdio buffers directly.
+ */
+#$d_faststdio HAS_FAST_STDIO /**/
+
+/* HAS_FCHDIR:
+ * This symbol, if defined, indicates that the fchdir routine is
+ * available to change directory using a file descriptor.
+ */
+#$d_fchdir HAS_FCHDIR /**/
+
+/* FCNTL_CAN_LOCK:
+ * This symbol, if defined, indicates that fcntl() can be used
+ * for file locking. Normally on Unix systems this is defined.
+ * It may be undefined on VMS.
+ */
+#$d_fcntl_can_lock FCNTL_CAN_LOCK /**/
+
+/* HAS_FINITE:
+ * This symbol, if defined, indicates that the finite routine is
+ * available to check whether a double is finite (non-infinity non-NaN).
+ */
+#$d_finite HAS_FINITE /**/
+
+/* HAS_FINITEL:
+ * This symbol, if defined, indicates that the finitel routine is
+ * available to check whether a long double is finite
+ * (non-infinity non-NaN).
+ */
+#$d_finitel HAS_FINITEL /**/
+
+/* HAS_FLOCK_PROTO:
+ * This symbol, if defined, indicates that the system provides
+ * a prototype for the flock() function. Otherwise, it is up
+ * to the program to supply one. A good guess is
+ * extern int flock(int, int);
+ */
+#$d_flockproto HAS_FLOCK_PROTO /**/
+
+/* HAS_FP_CLASS:
+ * This symbol, if defined, indicates that the fp_class routine is
+ * available to classify doubles. Available for example in Digital UNIX.
+ * The returned values are defined in <math.h> and are:
+ *
+ * FP_SNAN Signaling NaN (Not-a-Number)
+ * FP_QNAN Quiet NaN (Not-a-Number)
+ * FP_POS_INF +infinity
+ * FP_NEG_INF -infinity
+ * FP_POS_NORM Positive normalized
+ * FP_NEG_NORM Negative normalized
+ * FP_POS_DENORM Positive denormalized
+ * FP_NEG_DENORM Negative denormalized
+ * FP_POS_ZERO +0.0 (positive zero)
+ * FP_NEG_ZERO -0.0 (negative zero)
+ */
+#$d_fp_class HAS_FP_CLASS /**/
+
+/* HAS_FPCLASS:
+ * This symbol, if defined, indicates that the fpclass routine is
+ * available to classify doubles. Available for example in Solaris/SVR4.
+ * The returned values are defined in <ieeefp.h> and are:
+ *
+ * FP_SNAN signaling NaN
+ * FP_QNAN quiet NaN
+ * FP_NINF negative infinity
+ * FP_PINF positive infinity
+ * FP_NDENORM negative denormalized non-zero
+ * FP_PDENORM positive denormalized non-zero
+ * FP_NZERO negative zero
+ * FP_PZERO positive zero
+ * FP_NNORM negative normalized non-zero
+ * FP_PNORM positive normalized non-zero
+ */
+#$d_fpclass HAS_FPCLASS /**/
+
+/* HAS_FPCLASSIFY:
+ * This symbol, if defined, indicates that the fpclassify routine is
+ * available to classify doubles. Available for example in HP-UX.
+ * The returned values are defined in <math.h> and are
+ *
+ * FP_NORMAL Normalized
+ * FP_ZERO Zero
+ * FP_INFINITE Infinity
+ * FP_SUBNORMAL Denormalized
+ * FP_NAN NaN
+ *
+ */
+#$d_fpclassify HAS_FPCLASSIFY /**/
+
+/* HAS_FPCLASSL:
+ * This symbol, if defined, indicates that the fpclassl routine is
+ * available to classify long doubles. Available for example in IRIX.
+ * The returned values are defined in <ieeefp.h> and are:
+ *
+ * FP_SNAN signaling NaN
+ * FP_QNAN quiet NaN
+ * FP_NINF negative infinity
+ * FP_PINF positive infinity
+ * FP_NDENORM negative denormalized non-zero
+ * FP_PDENORM positive denormalized non-zero
+ * FP_NZERO negative zero
+ * FP_PZERO positive zero
+ * FP_NNORM negative normalized non-zero
+ * FP_PNORM positive normalized non-zero
+ */
+#$d_fpclassl HAS_FPCLASSL /**/
+
+/* HAS_FPOS64_T:
+ * This symbol will be defined if the C compiler supports fpos64_t.
+ */
+#$d_fpos64_t HAS_FPOS64_T /**/
+
+/* HAS_FREXPL:
+ * This symbol, if defined, indicates that the frexpl routine is
+ * available to break a long double floating-point number into
+ * a normalized fraction and an integral power of 2.
+ */
+#$d_frexpl HAS_FREXPL /**/
+
+/* HAS_STRUCT_FS_DATA:
+ * This symbol, if defined, indicates that the struct fs_data
+ * to do statfs() is supported.
+ */
+#$d_fs_data_s HAS_STRUCT_FS_DATA /**/
+
+/* HAS_FSEEKO:
+ * This symbol, if defined, indicates that the fseeko routine is
+ * available to fseek beyond 32 bits (useful for ILP32 hosts).
+ */
+#$d_fseeko HAS_FSEEKO /**/
+
+/* HAS_FSTATFS:
+ * This symbol, if defined, indicates that the fstatfs routine is
+ * available to stat filesystems by file descriptors.
+ */
+#$d_fstatfs HAS_FSTATFS /**/
+
+/* HAS_FSYNC:
+ * This symbol, if defined, indicates that the fsync routine is
+ * available to write a file's modified data and attributes to
+ * permanent storage.
+ */
+#$d_fsync HAS_FSYNC /**/
+
+/* HAS_FTELLO:
+ * This symbol, if defined, indicates that the ftello routine is
+ * available to ftell beyond 32 bits (useful for ILP32 hosts).
+ */
+#$d_ftello HAS_FTELLO /**/
+
+/* HAS_FUTIMES:
+ * This symbol, if defined, indicates that the futimes routine is
+ * available to change file descriptor time stamps with struct timevals.
+ */
+#$d_futimes HAS_FUTIMES /**/
+
+/* HAS_GETADDRINFO:
+ * This symbol, if defined, indicates that the getaddrinfo() function
+ * is available for use.
+ */
+#$d_getaddrinfo HAS_GETADDRINFO /**/
+
+/* HAS_GETCWD:
+ * This symbol, if defined, indicates that the getcwd routine is
+ * available to get the current working directory.
+ */
+#$d_getcwd HAS_GETCWD /**/
+
+/* HAS_GETESPWNAM:
+ * This symbol, if defined, indicates that the getespwnam system call is
+ * available to retrieve enchanced (shadow) password entries by name.
+ */
+#$d_getespwnam HAS_GETESPWNAM /**/
+
+/* HAS_GETFSSTAT:
+ * This symbol, if defined, indicates that the getfsstat routine is
+ * available to stat filesystems in bulk.
+ */
+#$d_getfsstat HAS_GETFSSTAT /**/
+
+/* HAS_GETITIMER:
+ * This symbol, if defined, indicates that the getitimer routine is
+ * available to return interval timers.
+ */
+#$d_getitimer HAS_GETITIMER /**/
+
+/* HAS_GETMNT:
+ * This symbol, if defined, indicates that the getmnt routine is
+ * available to get filesystem mount info by filename.
+ */
+#$d_getmnt HAS_GETMNT /**/
+
+/* HAS_GETMNTENT:
+ * This symbol, if defined, indicates that the getmntent routine is
+ * available to iterate through mounted file systems to get their info.
+ */
+#$d_getmntent HAS_GETMNTENT /**/
+
+/* HAS_GETNAMEINFO:
+ * This symbol, if defined, indicates that the getnameinfo() function
+ * is available for use.
+ */
+#$d_getnameinfo HAS_GETNAMEINFO /**/
+
+/* HAS_GETPRPWNAM:
+ * This symbol, if defined, indicates that the getprpwnam system call is
+ * available to retrieve protected (shadow) password entries by name.
+ */
+#$d_getprpwnam HAS_GETPRPWNAM /**/
+
+/* HAS_GETSPNAM:
+ * This symbol, if defined, indicates that the getspnam system call is
+ * available to retrieve SysV shadow password entries by name.
+ */
+#$d_getspnam HAS_GETSPNAM /**/
+
+/* HAS_HASMNTOPT:
+ * This symbol, if defined, indicates that the hasmntopt routine is
+ * available to query the mount options of file systems.
+ */
+#$d_hasmntopt HAS_HASMNTOPT /**/
+
+/* HAS_ILOGBL:
+ * This symbol, if defined, indicates that the ilogbl routine is
+ * available. If scalbnl is also present we can emulate frexpl.
+ */
+#$d_ilogbl HAS_ILOGBL /**/
+
+/* HAS_INETNTOP:
+ * This symbol, if defined, indicates that the inet_ntop() function
+ * is available to parse IPv4 and IPv6 strings.
+ */
+#$d_inetntop HAS_INETNTOP /**/
+
+/* HAS_INETPTON:
+ * This symbol, if defined, indicates that the inet_pton() function
+ * is available to parse IPv4 and IPv6 strings.
+ */
+#$d_inetpton HAS_INETPTON /**/
+
+/* HAS_INT64_T:
+ * This symbol will defined if the C compiler supports int64_t.
+ * Usually the <inttypes.h> needs to be included, but sometimes
+ * <sys/types.h> is enough.
+ */
+#$d_int64_t HAS_INT64_T /**/
+
+/* HAS_ISFINITE:
+ * This symbol, if defined, indicates that the isfinite routine is
+ * available to check whether a double is finite (non-infinity non-NaN).
+ */
+#$d_isfinite HAS_ISFINITE /**/
+
+/* HAS_ISINF:
+ * This symbol, if defined, indicates that the isinf routine is
+ * available to check whether a double is an infinity.
+ */
+#$d_isinf HAS_ISINF /**/
+
+/* HAS_ISNAN:
+ * This symbol, if defined, indicates that the isnan routine is
+ * available to check whether a double is a NaN.
+ */
+#$d_isnan HAS_ISNAN /**/
+
+/* HAS_ISNANL:
+ * This symbol, if defined, indicates that the isnanl routine is
+ * available to check whether a long double is a NaN.
+ */
+#$d_isnanl HAS_ISNANL /**/
+
+/* HAS_LDBL_DIG:
+ * This symbol, if defined, indicates that this system's <float.h>
+ * or <limits.h> defines the symbol LDBL_DIG, which is the number
+ * of significant digits in a long double precision number. Unlike
+ * for DBL_DIG, there's no good guess for LDBL_DIG if it is undefined.
+ */
+#$d_ldbl_dig HAS_LDBL_DIG /* */
+
+/* LIBM_LIB_VERSION:
+ * This symbol, if defined, indicates that libm exports _LIB_VERSION
+ * and that math.h defines the enum to manipulate it.
+ */
+#$d_libm_lib_version LIBM_LIB_VERSION /**/
+
+/* HAS_MADVISE:
+ * This symbol, if defined, indicates that the madvise system call is
+ * available to map a file into memory.
+ */
+#$d_madvise HAS_MADVISE /**/
+
+/* HAS_MALLOC_SIZE:
+ * This symbol, if defined, indicates that the malloc_size
+ * routine is available for use.
+ */
+#$d_malloc_size HAS_MALLOC_SIZE /**/
+
+/* HAS_MALLOC_GOOD_SIZE:
+ * This symbol, if defined, indicates that the malloc_good_size
+ * routine is available for use.
+ */
+#$d_malloc_good_size HAS_MALLOC_GOOD_SIZE /**/
+
+/* HAS_MKDTEMP:
+ * This symbol, if defined, indicates that the mkdtemp routine is
+ * available to exclusively create a uniquely named temporary directory.
+ */
+#$d_mkdtemp HAS_MKDTEMP /**/
+
+/* HAS_MKSTEMPS:
+ * This symbol, if defined, indicates that the mkstemps routine is
+ * available to excluslvely create and open a uniquely named
+ * (with a suffix) temporary file.
+ */
+#$d_mkstemps HAS_MKSTEMPS /**/
+
+/* HAS_MODFL:
+ * This symbol, if defined, indicates that the modfl routine is
+ * available to split a long double x into a fractional part f and
+ * an integer part i such that |f| < 1.0 and (f + i) = x.
+ */
+/* HAS_MODFL_PROTO:
+ * This symbol, if defined, indicates that the system provides
+ * a prototype for the modfl() function. Otherwise, it is up
+ * to the program to supply one.
+ */
+/* HAS_MODFL_POW32_BUG:
+ * This symbol, if defined, indicates that the modfl routine is
+ * broken for long doubles >= pow(2, 32).
+ * For example from 4294967303.150000 one would get 4294967302.000000
+ * and 1.150000. The bug has been seen in certain versions of glibc,
+ * release 2.2.2 is known to be okay.
+ */
+#$d_modfl HAS_MODFL /**/
+#$d_modflproto HAS_MODFL_PROTO /**/
+#$d_modfl_pow32_bug HAS_MODFL_POW32_BUG /**/
+
+/* HAS_MPROTECT:
+ * This symbol, if defined, indicates that the mprotect system call is
+ * available to modify the access protection of a memory mapped file.
+ */
+#$d_mprotect HAS_MPROTECT /**/
+
+/* HAS_STRUCT_MSGHDR:
+ * This symbol, if defined, indicates that the struct msghdr
+ * is supported.
+ */
+#$d_msghdr_s HAS_STRUCT_MSGHDR /**/
+
+/* HAS_NL_LANGINFO:
+ * This symbol, if defined, indicates that the nl_langinfo routine is
+ * available to return local data. You will also need <langinfo.h>
+ * and therefore I_LANGINFO.
+ */
+#$d_nl_langinfo HAS_NL_LANGINFO /**/
+
+/* HAS_OFF64_T:
+ * This symbol will be defined if the C compiler supports off64_t.
+ */
+#$d_off64_t HAS_OFF64_T /**/
+
+/* HAS_PRCTL:
+ * This symbol, if defined, indicates that the prctl routine is
+ * available to set process title.
+ */
+/* HAS_PRCTL_SET_NAME:
+ * This symbol, if defined, indicates that the prctl routine is
+ * available to set process title and supports PR_SET_NAME.
+ */
+#$d_prctl HAS_PRCTL /**/
+#$d_prctl_set_name HAS_PRCTL_SET_NAME /**/
+
+/* HAS_PROCSELFEXE:
+ * This symbol is defined if PROCSELFEXE_PATH is a symlink
+ * to the absolute pathname of the executing program.
+ */
+/* PROCSELFEXE_PATH:
+ * If HAS_PROCSELFEXE is defined this symbol is the filename
+ * of the symbolic link pointing to the absolute pathname of
+ * the executing program.
+ */
+#$d_procselfexe HAS_PROCSELFEXE /**/
+#if defined(HAS_PROCSELFEXE) && !defined(PROCSELFEXE_PATH)
+#define PROCSELFEXE_PATH $procselfexe /**/
+#endif
+
+/* HAS_PTHREAD_ATTR_SETSCOPE:
+ * This symbol, if defined, indicates that the pthread_attr_setscope
+ * system call is available to set the contention scope attribute of
+ * a thread attribute object.
+ */
+#$d_pthread_attr_setscope HAS_PTHREAD_ATTR_SETSCOPE /**/
+
+/* HAS_READV:
+ * This symbol, if defined, indicates that the readv routine is
+ * available to do gather reads. You will also need <sys/uio.h>
+ * and there I_SYSUIO.
+ */
+#$d_readv HAS_READV /**/
+
+/* HAS_RECVMSG:
+ * This symbol, if defined, indicates that the recvmsg routine is
+ * available to send structured socket messages.
+ */
+#$d_recvmsg HAS_RECVMSG /**/
+
+/* HAS_SBRK_PROTO:
+ * This symbol, if defined, indicates that the system provides
+ * a prototype for the sbrk() function. Otherwise, it is up
+ * to the program to supply one. Good guesses are
+ * extern void* sbrk(int);
+ * extern void* sbrk(size_t);
+ */
+#$d_sbrkproto HAS_SBRK_PROTO /**/
+
+/* HAS_SCALBNL:
+ * This symbol, if defined, indicates that the scalbnl routine is
+ * available. If ilogbl is also present we can emulate frexpl.
+ */
+#$d_scalbnl HAS_SCALBNL /**/
+
+/* HAS_SENDMSG:
+ * This symbol, if defined, indicates that the sendmsg routine is
+ * available to send structured socket messages.
+ */
+#$d_sendmsg HAS_SENDMSG /**/
+
+/* HAS_SETITIMER:
+ * This symbol, if defined, indicates that the setitimer routine is
+ * available to set interval timers.
+ */
+#$d_setitimer HAS_SETITIMER /**/
+
+/* HAS_SETPROCTITLE:
+ * This symbol, if defined, indicates that the setproctitle routine is
+ * available to set process title.
+ */
+#$d_setproctitle HAS_SETPROCTITLE /**/
+
+/* USE_SFIO:
+ * This symbol, if defined, indicates that sfio should
+ * be used.
+ */
+#$d_sfio USE_SFIO /**/
+
+/* HAS_SIGNBIT:
+ * This symbol, if defined, indicates that the signbit routine is
+ * available to check if the given number has the sign bit set.
+ * This should include correct testing of -0.0. This will only be set
+ * if the signbit() routine is safe to use with the NV type used internally
+ * in perl. Users should call Perl_signbit(), which will be #defined to
+ * the system's signbit() function or macro if this symbol is defined.
+ */
+#$d_signbit HAS_SIGNBIT /**/
+
+/* HAS_SIGPROCMASK:
+ * This symbol, if defined, indicates that the sigprocmask
+ * system call is available to examine or change the signal mask
+ * of the calling process.
+ */
+#$d_sigprocmask HAS_SIGPROCMASK /**/
+
+/* USE_SITECUSTOMIZE:
+ * This symbol, if defined, indicates that sitecustomize should
+ * be used.
+ */
+#ifndef USE_SITECUSTOMIZE
+#$usesitecustomize USE_SITECUSTOMIZE /**/
+#endif
+
+/* HAS_SNPRINTF:
+ * This symbol, if defined, indicates that the snprintf () library
+ * function is available for use.
+ */
+/* HAS_VSNPRINTF:
+ * This symbol, if defined, indicates that the vsnprintf () library
+ * function is available for use.
+ */
+#$d_snprintf HAS_SNPRINTF /**/
+#$d_vsnprintf HAS_VSNPRINTF /**/
+
+/* HAS_SOCKATMARK:
+ * This symbol, if defined, indicates that the sockatmark routine is
+ * available to test whether a socket is at the out-of-band mark.
+ */
+#$d_sockatmark HAS_SOCKATMARK /**/
+
+/* HAS_SOCKATMARK_PROTO:
+ * This symbol, if defined, indicates that the system provides
+ * a prototype for the sockatmark() function. Otherwise, it is up
+ * to the program to supply one. A good guess is
+ * extern int sockatmark(int);
+ */
+#$d_sockatmarkproto HAS_SOCKATMARK_PROTO /**/
+
+/* HAS_SOCKS5_INIT:
+ * This symbol, if defined, indicates that the socks5_init routine is
+ * available to initialize SOCKS 5.
+ */
+#$d_socks5_init HAS_SOCKS5_INIT /**/
+
+/* SPRINTF_RETURNS_STRLEN:
+ * This variable defines whether sprintf returns the length of the string
+ * (as per the ANSI spec). Some C libraries retain compatibility with
+ * pre-ANSI C and return a pointer to the passed in buffer; for these
+ * this variable will be undef.
+ */
+#$d_sprintf_returns_strlen SPRINTF_RETURNS_STRLEN /**/
+
+/* HAS_SQRTL:
+ * This symbol, if defined, indicates that the sqrtl routine is
+ * available to do long double square roots.
+ */
+#$d_sqrtl HAS_SQRTL /**/
+
+/* HAS_SETRESGID_PROTO:
+ * This symbol, if defined, indicates that the system provides
+ * a prototype for the setresgid() function. Otherwise, it is up
+ * to the program to supply one. Good guesses are
+ * extern int setresgid(uid_t ruid, uid_t euid, uid_t suid);
+ */
+#$d_sresgproto HAS_SETRESGID_PROTO /**/
+
+/* HAS_SETRESUID_PROTO:
+ * This symbol, if defined, indicates that the system provides
+ * a prototype for the setresuid() function. Otherwise, it is up
+ * to the program to supply one. Good guesses are
+ * extern int setresuid(uid_t ruid, uid_t euid, uid_t suid);
+ */
+#$d_sresuproto HAS_SETRESUID_PROTO /**/
+
+/* HAS_STRUCT_STATFS_F_FLAGS:
+ * This symbol, if defined, indicates that the struct statfs
+ * does have the f_flags member containing the mount flags of
+ * the filesystem containing the file.
+ * This kind of struct statfs is coming from <sys/mount.h> (BSD 4.3),
+ * not from <sys/statfs.h> (SYSV). Older BSDs (like Ultrix) do not
+ * have statfs() and struct statfs, they have ustat() and getmnt()
+ * with struct ustat and struct fs_data.
+ */
+#$d_statfs_f_flags HAS_STRUCT_STATFS_F_FLAGS /**/
+
+/* HAS_STRUCT_STATFS:
+ * This symbol, if defined, indicates that the struct statfs
+ * to do statfs() is supported.
+ */
+#$d_statfs_s HAS_STRUCT_STATFS /**/
+
+/* HAS_FSTATVFS:
+ * This symbol, if defined, indicates that the fstatvfs routine is
+ * available to stat filesystems by file descriptors.
+ */
+#$d_fstatvfs HAS_FSTATVFS /**/
+
+/* HAS_STRFTIME:
+ * This symbol, if defined, indicates that the strftime routine is
+ * available to do time formatting.
+ */
+#$d_strftime HAS_STRFTIME /**/
+
+/* HAS_STRLCAT:
+ * This symbol, if defined, indicates that the strlcat () routine is
+ * available to do string concatenation.
+ */
+#$d_strlcat HAS_STRLCAT /**/
+
+/* HAS_STRLCPY:
+ * This symbol, if defined, indicates that the strlcpy () routine is
+ * available to do string copying.
+ */
+#$d_strlcpy HAS_STRLCPY /**/
+
+/* HAS_STRTOLD:
+ * This symbol, if defined, indicates that the strtold routine is
+ * available to convert strings to long doubles.
+ */
+#$d_strtold HAS_STRTOLD /**/
+
+/* HAS_STRTOLL:
+ * This symbol, if defined, indicates that the strtoll routine is
+ * available to convert strings to long longs.
+ */
+#$d_strtoll HAS_STRTOLL /**/
+
+/* HAS_STRTOQ:
+ * This symbol, if defined, indicates that the strtoq routine is
+ * available to convert strings to long longs (quads).
+ */
+#$d_strtoq HAS_STRTOQ /**/
+
+/* HAS_STRTOULL:
+ * This symbol, if defined, indicates that the strtoull routine is
+ * available to convert strings to unsigned long longs.
+ */
+#$d_strtoull HAS_STRTOULL /**/
+
+/* HAS_STRTOUQ:
+ * This symbol, if defined, indicates that the strtouq routine is
+ * available to convert strings to unsigned long longs (quads).
+ */
+#$d_strtouq HAS_STRTOUQ /**/
+
+/* HAS_SYSCALL_PROTO:
+ * This symbol, if defined, indicates that the system provides
+ * a prototype for the syscall() function. Otherwise, it is up
+ * to the program to supply one. Good guesses are
+ * extern int syscall(int, ...);
+ * extern int syscall(long, ...);
+ */
+#$d_syscallproto HAS_SYSCALL_PROTO /**/
+
+/* HAS_TELLDIR_PROTO:
+ * This symbol, if defined, indicates that the system provides
+ * a prototype for the telldir() function. Otherwise, it is up
+ * to the program to supply one. A good guess is
+ * extern long telldir(DIR*);
+ */
+#$d_telldirproto HAS_TELLDIR_PROTO /**/
+
+/* HAS_CTIME64:
+ * This symbol, if defined, indicates that the ctime64 () routine is
+ * available to do the 64bit variant of ctime ()
+ */
+/* HAS_LOCALTIME64:
+ * This symbol, if defined, indicates that the localtime64 () routine is
+ * available to do the 64bit variant of localtime ()
+ */
+/* HAS_GMTIME64:
+ * This symbol, if defined, indicates that the gmtime64 () routine is
+ * available to do the 64bit variant of gmtime ()
+ */
+/* HAS_MKTIME64:
+ * This symbol, if defined, indicates that the mktime64 () routine is
+ * available to do the 64bit variant of mktime ()
+ */
+/* HAS_DIFFTIME64:
+ * This symbol, if defined, indicates that the difftime64 () routine is
+ * available to do the 64bit variant of difftime ()
+ */
+/* HAS_ASCTIME64:
+ * This symbol, if defined, indicates that the asctime64 () routine is
+ * available to do the 64bit variant of asctime ()
+ */
+#$d_ctime64 HAS_CTIME64 /**/
+#$d_localtime64 HAS_LOCALTIME64 /**/
+#$d_gmtime64 HAS_GMTIME64 /**/
+#$d_mktime64 HAS_MKTIME64 /**/
+#$d_difftime64 HAS_DIFFTIME64 /**/
+#$d_asctime64 HAS_ASCTIME64 /**/
+
+/* HAS_TIMEGM:
+ * This symbol, if defined, indicates that the timegm routine is
+ * available to do the opposite of gmtime ()
+ */
+#$d_timegm HAS_TIMEGM /**/
+
+/* U32_ALIGNMENT_REQUIRED:
+ * This symbol, if defined, indicates that you must access
+ * character data through U32-aligned pointers.
+ */
+#ifndef U32_ALIGNMENT_REQUIRED
+#$d_u32align U32_ALIGNMENT_REQUIRED /**/
+#endif
+
+/* HAS_UALARM:
+ * This symbol, if defined, indicates that the ualarm routine is
+ * available to do alarms with microsecond granularity.
+ */
+#$d_ualarm HAS_UALARM /**/
+
+/* HAS_UNORDERED:
+ * This symbol, if defined, indicates that the unordered routine is
+ * available to check whether two doubles are unordered
+ * (effectively: whether either of them is NaN)
+ */
+#$d_unordered HAS_UNORDERED /**/
+
+/* HAS_UNSETENV:
+ * This symbol, if defined, indicates that the unsetenv () routine is
+ * available for use.
+ */
+#$d_unsetenv HAS_UNSETENV /**/
+
+/* HAS_USLEEP_PROTO:
+ * This symbol, if defined, indicates that the system provides
+ * a prototype for the usleep() function. Otherwise, it is up
+ * to the program to supply one. A good guess is
+ * extern int usleep(useconds_t);
+ */
+#$d_usleepproto HAS_USLEEP_PROTO /**/
+
+/* HAS_USTAT:
+ * This symbol, if defined, indicates that the ustat system call is
+ * available to query file system statistics by dev_t.
+ */
+#$d_ustat HAS_USTAT /**/
+
+/* HAS_WRITEV:
+ * This symbol, if defined, indicates that the writev routine is
+ * available to do scatter writes.
+ */
+#$d_writev HAS_WRITEV /**/
+
+/* USE_DYNAMIC_LOADING:
+ * This symbol, if defined, indicates that dynamic loading of
+ * some sort is available.
+ */
+#$usedl USE_DYNAMIC_LOADING /**/
+
+/* FFLUSH_NULL:
+ * This symbol, if defined, tells that fflush(NULL) does flush
+ * all pending stdio output.
+ */
+/* FFLUSH_ALL:
+ * This symbol, if defined, tells that to flush
+ * all pending stdio output one must loop through all
+ * the stdio file handles stored in an array and fflush them.
+ * Note that if fflushNULL is defined, fflushall will not
+ * even be probed for and will be left undefined.
+ */
+#$fflushNULL FFLUSH_NULL /**/
+#$fflushall FFLUSH_ALL /**/
+
+/* I_ASSERT:
+ * This symbol, if defined, indicates that <assert.h> exists and
+ * could be included by the C program to get the assert() macro.
+ */
+#$i_assert I_ASSERT /**/
+
+/* I_CRYPT:
+ * This symbol, if defined, indicates that <crypt.h> exists and
+ * should be included.
+ */
+#$i_crypt I_CRYPT /**/
+
+/* DB_Prefix_t:
+ * This symbol contains the type of the prefix structure element
+ * in the <db.h> header file. In older versions of DB, it was
+ * int, while in newer ones it is u_int32_t.
+ */
+/* DB_Hash_t:
+ * This symbol contains the type of the prefix structure element
+ * in the <db.h> header file. In older versions of DB, it was
+ * int, while in newer ones it is size_t.
+ */
+/* DB_VERSION_MAJOR_CFG:
+ * This symbol, if defined, defines the major version number of
+ * Berkeley DB found in the <db.h> header when Perl was configured.
+ */
+/* DB_VERSION_MINOR_CFG:
+ * This symbol, if defined, defines the minor version number of
+ * Berkeley DB found in the <db.h> header when Perl was configured.
+ * For DB version 1 this is always 0.
+ */
+/* DB_VERSION_PATCH_CFG:
+ * This symbol, if defined, defines the patch version number of
+ * Berkeley DB found in the <db.h> header when Perl was configured.
+ * For DB version 1 this is always 0.
+ */
+#define DB_Hash_t $db_hashtype /**/
+#define DB_Prefix_t $db_prefixtype /**/
+#define DB_VERSION_MAJOR_CFG $db_version_major /**/
+#define DB_VERSION_MINOR_CFG $db_version_minor /**/
+#define DB_VERSION_PATCH_CFG $db_version_patch /**/
+
+/* I_FP:
+ * This symbol, if defined, indicates that <fp.h> exists and
+ * should be included.
+ */
+#$i_fp I_FP /**/
+
+/* I_FP_CLASS:
+ * This symbol, if defined, indicates that <fp_class.h> exists and
+ * should be included.
+ */
+#$i_fp_class I_FP_CLASS /**/
+
+/* I_IEEEFP:
+ * This symbol, if defined, indicates that <ieeefp.h> exists and
+ * should be included.
+ */
+#$i_ieeefp I_IEEEFP /**/
+
+/* I_INTTYPES:
+ * This symbol, if defined, indicates to the C program that it should
+ * include <inttypes.h>.
+ */
+#$i_inttypes I_INTTYPES /**/
+
+/* I_LANGINFO:
+ * This symbol, if defined, indicates that <langinfo.h> exists and
+ * should be included.
+ */
+#$i_langinfo I_LANGINFO /**/
+
+/* I_LIBUTIL:
+ * This symbol, if defined, indicates that <libutil.h> exists and
+ * should be included.
+ */
+#$i_libutil I_LIBUTIL /**/
+
+/* I_MALLOCMALLOC:
+ * This symbol, if defined, indicates to the C program that it should
+ * include <malloc/malloc.h>.
+ */
+#$i_mallocmalloc I_MALLOCMALLOC /**/
+
+/* I_MNTENT:
+ * This symbol, if defined, indicates that <mntent.h> exists and
+ * should be included.
+ */
+#$i_mntent I_MNTENT /**/
+
+/* I_NETINET_TCP:
+ * This symbol, if defined, indicates to the C program that it should
+ * include <netinet/tcp.h>.
+ */
+#$i_netinettcp I_NETINET_TCP /**/
+
+/* I_POLL:
+ * This symbol, if defined, indicates that <poll.h> exists and
+ * should be included. (see also HAS_POLL)