+/* USE_STDIO_PTR:
+ * This symbol is defined if the _ptr and _cnt fields (or similar)
+ * of the stdio FILE structure can be used to access the stdio buffer
+ * for a file handle. If this is defined, then the FILE_ptr(fp)
+ * and FILE_cnt(fp) macros will also be defined and should be used
+ * to access these fields.
+ */
+/* FILE_ptr:
+ * This macro is used to access the _ptr field (or equivalent) of the
+ * FILE structure pointed to by its argument. This macro will always be
+ * defined if USE_STDIO_PTR is defined.
+ */
+/* STDIO_PTR_LVALUE:
+ * This symbol is defined if the FILE_ptr macro can be used as an
+ * lvalue.
+ */
+/* FILE_cnt:
+ * This macro is used to access the _cnt field (or equivalent) of the
+ * FILE structure pointed to by its argument. This macro will always be
+ * defined if USE_STDIO_PTR is defined.
+ */
+/* STDIO_CNT_LVALUE:
+ * This symbol is defined if the FILE_cnt macro can be used as an
+ * lvalue.
+ */
+/* STDIO_PTR_LVAL_SETS_CNT:
+ * This symbol is defined if using the FILE_ptr macro as an lvalue
+ * to increase the pointer by n has the side effect of decreasing the
+ * value of File_cnt(fp) by n.
+ */
+/* STDIO_PTR_LVAL_NOCHANGE_CNT:
+ * This symbol is defined if using the FILE_ptr macro as an lvalue
+ * to increase the pointer by n leaves File_cnt(fp) unchanged.
+ */
+/*#define USE_STDIO_PTR / **/
+#ifdef USE_STDIO_PTR
+#define FILE_ptr(fp) ((fp)->_IO_read_ptr)
+/*#define STDIO_PTR_LVALUE / **/
+#define FILE_cnt(fp) ((fp)->_IO_read_end - (fp)->_IO_read_ptr)
+/*#define STDIO_CNT_LVALUE / **/
+/*#define STDIO_PTR_LVAL_SETS_CNT / **/
+/*#define STDIO_PTR_LVAL_NOCHANGE_CNT / **/
+#endif
+
+/* USE_STDIO_BASE:
+ * This symbol is defined if the _base field (or similar) of the
+ * stdio FILE structure can be used to access the stdio buffer for
+ * a file handle. If this is defined, then the FILE_base(fp) macro
+ * will also be defined and should be used to access this field.
+ * Also, the FILE_bufsiz(fp) macro will be defined and should be used
+ * to determine the number of bytes in the buffer. USE_STDIO_BASE
+ * will never be defined unless USE_STDIO_PTR is.
+ */
+/* FILE_base:
+ * This macro is used to access the _base field (or equivalent) of the
+ * FILE structure pointed to by its argument. This macro will always be
+ * defined if USE_STDIO_BASE is defined.
+ */
+/* FILE_bufsiz:
+ * This macro is used to determine the number of bytes in the I/O
+ * buffer pointed to by _base field (or equivalent) of the FILE
+ * structure pointed to its argument. This macro will always be defined
+ * if USE_STDIO_BASE is defined.
+ */
+/*#define USE_STDIO_BASE / **/
+#ifdef USE_STDIO_BASE
+#define FILE_base(fp) ((fp)->_IO_read_base)
+#define FILE_bufsiz(fp) ((fp)->_IO_read_end - (fp)->_IO_read_base)
+#endif
+
+/* HAS_VPRINTF:
+ * This symbol, if defined, indicates that the vprintf routine is available
+ * to printf with a pointer to an argument list. If unavailable, you
+ * may need to write your own, probably in terms of _doprnt().
+ */
+/* USE_CHAR_VSPRINTF:
+ * This symbol is defined if this system has vsprintf() returning type
+ * (char*). The trend seems to be to declare it as "int vsprintf()". It
+ * is up to the package author to declare vsprintf correctly based on the
+ * symbol.
+ */
+#define HAS_VPRINTF /**/
+/*#define USE_CHAR_VSPRINTF / **/
+
+/* DOUBLESIZE:
+ * This symbol contains the size of a double, so that the C preprocessor
+ * can make decisions based on it.
+ */
+#define DOUBLESIZE 8 /**/
+
+/* I_TIME:
+ * This symbol, if defined, indicates to the C program that it should
+ * include <time.h>.
+ */
+/* I_SYS_TIME:
+ * This symbol, if defined, indicates to the C program that it should
+ * include <sys/time.h>.
+ */
+/* I_SYS_TIME_KERNEL:
+ * This symbol, if defined, indicates to the C program that it should
+ * include <sys/time.h> with KERNEL defined.
+ */
+/* HAS_TM_TM_ZONE:
+ * This symbol, if defined, indicates to the C program that
+ * the struct tm has a tm_zone field.
+ */
+/* HAS_TM_TM_GMTOFF:
+ * This symbol, if defined, indicates to the C program that
+ * the struct tm has a tm_gmtoff field.
+ */
+#define I_TIME /**/
+/*#define I_SYS_TIME / **/
+/*#define I_SYS_TIME_KERNEL / **/
+/*#define HAS_TM_TM_ZONE / **/
+/*#define HAS_TM_TM_GMTOFF / **/
+
+/* VAL_O_NONBLOCK:
+ * This symbol is to be used during open() or fcntl(F_SETFL) to turn on
+ * non-blocking I/O for the file descriptor. Note that there is no way
+ * back, i.e. you cannot turn it blocking again this way. If you wish to
+ * alternatively switch between blocking and non-blocking, use the
+ * ioctl(FIOSNBIO) call instead, but that is not supported by all devices.
+ */
+/* VAL_EAGAIN:
+ * This symbol holds the errno error code set by read() when no data was
+ * present on the non-blocking file descriptor.
+ */
+/* RD_NODATA:
+ * This symbol holds the return code from read() when no data is present
+ * on the non-blocking file descriptor. Be careful! If EOF_NONBLOCK is
+ * not defined, then you can't distinguish between no data and EOF by
+ * issuing a read(). You'll have to find another way to tell for sure!
+ */
+/* EOF_NONBLOCK:
+ * This symbol, if defined, indicates to the C program that a read() on
+ * a non-blocking file descriptor will return 0 on EOF, and not the value
+ * held in RD_NODATA (-1 usually, in that case!).
+ */
+#define VAL_O_NONBLOCK O_NONBLOCK
+#define VAL_EAGAIN EAGAIN
+#define RD_NODATA -1
+#undef EOF_NONBLOCK
+
+/* PTRSIZE:
+ * This symbol contains the size of a pointer, so that the C preprocessor
+ * can make decisions based on it. It will be sizeof(void *) if
+ * the compiler supports (void *); otherwise it will be
+ * sizeof(char *).
+ */
+#define PTRSIZE 4 /**/
+
+/* Drand01:
+ * This macro is to be used to generate uniformly distributed
+ * random numbers over the range [0., 1.[. You may have to supply
+ * an 'extern double drand48();' in your program since SunOS 4.1.3
+ * doesn't provide you with anything relevant in its headers.
+ * See HAS_DRAND48_PROTO.
+ */
+/* Rand_seed_t:
+ * This symbol defines the type of the argument of the
+ * random seed function.
+ */
+/* seedDrand01:
+ * This symbol defines the macro to be used in seeding the
+ * random number generator (see Drand01).
+ */
+/* RANDBITS:
+ * This symbol indicates how many bits are produced by the
+ * function used to generate normalized random numbers.
+ * Values include 15, 16, 31, and 48.
+ */
+#define Drand01() ((rand() & 0x7FFF) / (double) ((unsigned long)1 << 15)) /**/
+#define Rand_seed_t int /**/
+#define seedDrand01(x) srand((Rand_seed_t)x) /**/
+#define RANDBITS 48 /**/
+
+/* SSize_t:
+ * This symbol holds the type used by functions that return
+ * a count of bytes or an error condition. It must be a signed type.
+ * It is usually ssize_t, but may be long or int, etc.
+ * It may be necessary to include <sys/types.h> or <unistd.h>
+ * to get any typedef'ed information.
+ * We will pick a type such that sizeof(SSize_t) == sizeof(Size_t).
+ */
+#define SSize_t int /* signed count of bytes */
+
+/* EBCDIC:
+ * This symbol, if defined, indicates that this system uses
+ * EBCDIC encoding.
+ */
+/*#define EBCDIC / **/
+
+/* PERL_USE_DEVEL:
+ * This symbol, if defined, indicates that Perl was configured with
+ * -Dusedevel, to enable development features. This should not be
+ * done for production builds.
+ */
+/*#define PERL_USE_DEVEL / **/
+
+/* HAS_ATOLF:
+ * This symbol, if defined, indicates that the atolf routine is
+ * available to convert strings into long doubles.
+ */
+/*#define HAS_ATOLF / **/
+
+/* HAS_ATOLL:
+ * This symbol, if defined, indicates that the atoll routine is
+ * available to convert strings into long longs.
+ */
+/*#define 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.
+ */
+/*#define HAS__FWALK / **/
+
+/* HAS_AINTL:
+ * This symbol, if defined, indicates that the aintl routine is
+ * available. If copysignl is also present we can emulate modfl.
+ */
+/*#define 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
+ */
+/*#define HAS_BUILTIN_EXPECT / **/
+/*#define HAS_BUILTIN_CHOOSE_EXPR / **/
+
+/* HAS_C99_VARIADIC_MACROS:
+ * If defined, the compiler supports C99 variadic macros.
+ */
+/*#define 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)
+ */
+/*#define HAS_CLASS / **/
+
+/* HAS_CLEARENV:
+ * This symbol, if defined, indicates that the clearenv () routine is
+ * available for use.
+ */
+/*#define HAS_CLEARENV / **/
+
+/* HAS_STRUCT_CMSGHDR:
+ * This symbol, if defined, indicates that the struct cmsghdr
+ * is supported.
+ */
+/*#define 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.
+ */
+/*#define 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.
+ */
+/*#define 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 *);
+ */
+/*#define 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.
+ */
+/*#define HAS_DIR_DD_FD / **/
+
+/* HAS_DIRFD:
+ * This manifest constant lets the C program know that dirfd
+ * is available.
+ */
+/*#define 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.
+ */
+/*#define DLSYM_NEEDS_UNDERSCORE / **/
+
+/* HAS_FAST_STDIO:
+ * This symbol, if defined, indicates that the "fast stdio"
+ * is available to manipulate the stdio buffers directly.
+ */
+/*#define HAS_FAST_STDIO / **/
+
+/* HAS_FCHDIR:
+ * This symbol, if defined, indicates that the fchdir routine is
+ * available to change directory using a file descriptor.
+ */
+/*#define 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.
+ */
+/*#define 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).
+ */
+/*#define 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).
+ */
+/*#define 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);
+ */
+/*#define 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)
+ */
+/*#define 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
+ */
+/*#define 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
+ *
+ */
+/*#define 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
+ */
+/*#define HAS_FPCLASSL / **/
+
+/* HAS_FPOS64_T:
+ * This symbol will be defined if the C compiler supports fpos64_t.
+ */
+/*#define 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.
+ */
+/*#define HAS_FREXPL / **/
+
+/* HAS_STRUCT_FS_DATA:
+ * This symbol, if defined, indicates that the struct fs_data
+ * to do statfs() is supported.
+ */
+/*#define 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).
+ */
+/*#define HAS_FSEEKO / **/
+
+/* HAS_FSTATFS:
+ * This symbol, if defined, indicates that the fstatfs routine is
+ * available to stat filesystems by file descriptors.
+ */
+/*#define 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.
+ */
+/*#define HAS_FSYNC / **/
+
+/* HAS_FTELLO:
+ * This symbol, if defined, indicates that the ftello routine is
+ * available to ftell beyond 32 bits (useful for ILP32 hosts).
+ */
+/*#define HAS_FTELLO / **/
+
+/* HAS_FUTIMES:
+ * This symbol, if defined, indicates that the futimes routine is
+ * available to change file descriptor time stamps with struct timevals.
+ */
+/*#define HAS_FUTIMES / **/
+
+/* HAS_GETCWD:
+ * This symbol, if defined, indicates that the getcwd routine is
+ * available to get the current working directory.
+ */
+/*#define HAS_GETCWD / **/
+
+/* HAS_GETESPWNAM:
+ * This symbol, if defined, indicates that the getespwnam system call is
+ * available to retrieve enhanced (shadow) password entries by name.
+ */
+/*#define HAS_GETESPWNAM / **/
+
+/* HAS_GETFSSTAT:
+ * This symbol, if defined, indicates that the getfsstat routine is
+ * available to stat filesystems in bulk.
+ */
+/*#define HAS_GETFSSTAT / **/
+
+/* HAS_GETITIMER:
+ * This symbol, if defined, indicates that the getitimer routine is
+ * available to return interval timers.
+ */
+/*#define HAS_GETITIMER / **/
+
+/* HAS_GETMNT:
+ * This symbol, if defined, indicates that the getmnt routine is
+ * available to get filesystem mount info by filename.
+ */
+/*#define 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.
+ */
+/*#define HAS_GETMNTENT / **/
+
+/* HAS_GETPRPWNAM:
+ * This symbol, if defined, indicates that the getprpwnam system call is
+ * available to retrieve protected (shadow) password entries by name.
+ */
+/*#define HAS_GETPRPWNAM / **/
+
+/* HAS_GETSPNAM:
+ * This symbol, if defined, indicates that the getspnam system call is
+ * available to retrieve SysV shadow password entries by name.
+ */
+/*#define HAS_GETSPNAM / **/
+
+/* HAS_HASMNTOPT:
+ * This symbol, if defined, indicates that the hasmntopt routine is
+ * available to query the mount options of file systems.
+ */
+/*#define HAS_HASMNTOPT / **/
+
+/* HAS_ILOGBL:
+ * This symbol, if defined, indicates that the ilogbl routine is
+ * available. If scalbnl is also present we can emulate frexpl.
+ */
+/*#define HAS_ILOGBL / **/
+
+/* 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.
+ */
+/*#define 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).
+ */
+/*#define HAS_ISFINITE / **/
+
+/* HAS_ISINF:
+ * This symbol, if defined, indicates that the isinf routine is
+ * available to check whether a double is an infinity.
+ */
+/*#define HAS_ISINF / **/
+
+/* HAS_ISNAN:
+ * This symbol, if defined, indicates that the isnan routine is
+ * available to check whether a double is a NaN.
+ */
+/*#define HAS_ISNAN / **/
+
+/* HAS_ISNANL:
+ * This symbol, if defined, indicates that the isnanl routine is
+ * available to check whether a long double is a NaN.
+ */
+/*#define 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.
+ */
+/*#define 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.
+ */
+/*#define LIBM_LIB_VERSION / **/
+
+/* HAS_MADVISE:
+ * This symbol, if defined, indicates that the madvise system call is
+ * available to map a file into memory.
+ */
+/*#define HAS_MADVISE / **/
+
+/* HAS_MALLOC_SIZE:
+ * This symbol, if defined, indicates that the malloc_size
+ * routine is available for use.
+ */
+/*#define HAS_MALLOC_SIZE / **/
+
+/* HAS_MALLOC_GOOD_SIZE:
+ * This symbol, if defined, indicates that the malloc_good_size
+ * routine is available for use.
+ */
+/*#define 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.
+ */
+/*#define HAS_MKDTEMP / **/
+
+/* HAS_MKSTEMPS:
+ * This symbol, if defined, indicates that the mkstemps routine is
+ * available to exclusively create and open a uniquely named
+ * (with a suffix) temporary file.
+ */
+/*#define 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.
+ */
+/*#define HAS_MODFL / **/
+/*#define HAS_MODFL_PROTO / **/
+/*#define 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.
+ */
+/*#define HAS_MPROTECT / **/
+
+/* HAS_STRUCT_MSGHDR:
+ * This symbol, if defined, indicates that the struct msghdr
+ * is supported.
+ */
+/*#define 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.
+ */
+/*#define HAS_NL_LANGINFO / **/
+
+/* HAS_OFF64_T:
+ * This symbol will be defined if the C compiler supports off64_t.
+ */
+/*#define HAS_OFF64_T / **/
+
+/* 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.
+ */
+/*#define HAS_PROCSELFEXE / **/
+#if defined(HAS_PROCSELFEXE) && !defined(PROCSELFEXE_PATH)
+#define PROCSELFEXE_PATH /**/
+#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.
+ */
+/*#define 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.
+ */
+/*#define HAS_READV / **/
+
+/* HAS_RECVMSG:
+ * This symbol, if defined, indicates that the recvmsg routine is
+ * available to send structured socket messages.
+ */
+/*#define 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);
+ */
+/*#define 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.
+ */
+/*#define HAS_SCALBNL / **/
+
+/* HAS_SENDMSG:
+ * This symbol, if defined, indicates that the sendmsg routine is
+ * available to send structured socket messages.
+ */
+/*#define HAS_SENDMSG / **/
+
+/* HAS_SETITIMER:
+ * This symbol, if defined, indicates that the setitimer routine is
+ * available to set interval timers.
+ */
+/*#define HAS_SETITIMER / **/
+
+/* HAS_SETPROCTITLE:
+ * This symbol, if defined, indicates that the setproctitle routine is
+ * available to set process title.
+ */
+/*#define HAS_SETPROCTITLE / **/
+
+/* USE_SFIO:
+ * This symbol, if defined, indicates that sfio should
+ * be used.
+ */
+/*#define 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.
+ */
+/*#define 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.
+ */
+/*#define HAS_SIGPROCMASK / **/
+
+/* USE_SITECUSTOMIZE:
+ * This symbol, if defined, indicates that sitecustomize should
+ * be used.
+ */
+#ifndef USE_SITECUSTOMIZE
+/*#define 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.
+ */
+/*#define HAS_SNPRINTF / **/
+/*#define 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.
+ */
+/*#define 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);
+ */
+/*#define HAS_SOCKATMARK_PROTO / **/
+
+/* HAS_SOCKS5_INIT:
+ * This symbol, if defined, indicates that the socks5_init routine is
+ * available to initialize SOCKS 5.
+ */
+/*#define 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.
+ */
+/*#define SPRINTF_RETURNS_STRLEN / **/
+
+/* HAS_SQRTL:
+ * This symbol, if defined, indicates that the sqrtl routine is
+ * available to do long double square roots.
+ */
+/*#define 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);
+ */
+/*#define 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);
+ */
+/*#define 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.
+ */
+/*#define HAS_STRUCT_STATFS_F_FLAGS / **/
+
+/* HAS_STRUCT_STATFS:
+ * This symbol, if defined, indicates that the struct statfs
+ * to do statfs() is supported.
+ */
+/*#define HAS_STRUCT_STATFS / **/
+
+/* HAS_FSTATVFS:
+ * This symbol, if defined, indicates that the fstatvfs routine is
+ * available to stat filesystems by file descriptors.
+ */
+/*#define HAS_FSTATVFS / **/
+
+/* HAS_STRFTIME:
+ * This symbol, if defined, indicates that the strftime routine is
+ * available to do time formatting.
+ */
+/*#define HAS_STRFTIME / **/
+
+/* HAS_STRLCAT:
+ * This symbol, if defined, indicates that the strlcat () routine is
+ * available to do string concatenation.
+ */
+/*#define HAS_STRLCAT / **/
+
+/* HAS_STRLCPY:
+ * This symbol, if defined, indicates that the strlcpy () routine is
+ * available to do string copying.
+ */
+/*#define HAS_STRLCPY / **/
+
+/* HAS_STRTOLD:
+ * This symbol, if defined, indicates that the strtold routine is
+ * available to convert strings to long doubles.
+ */
+/*#define HAS_STRTOLD / **/
+
+/* HAS_STRTOLL:
+ * This symbol, if defined, indicates that the strtoll routine is
+ * available to convert strings to long longs.
+ */
+/*#define HAS_STRTOLL / **/
+
+/* HAS_STRTOQ:
+ * This symbol, if defined, indicates that the strtoq routine is
+ * available to convert strings to long longs (quads).
+ */
+/*#define HAS_STRTOQ / **/
+
+/* HAS_STRTOULL:
+ * This symbol, if defined, indicates that the strtoull routine is
+ * available to convert strings to unsigned long longs.
+ */
+/*#define HAS_STRTOULL / **/
+
+/* HAS_STRTOUQ:
+ * This symbol, if defined, indicates that the strtouq routine is
+ * available to convert strings to unsigned long longs (quads).
+ */
+/*#define 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, ...);
+ */
+/*#define 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*);
+ */
+/*#define 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 ()
+ */
+/*#define HAS_CTIME64 / **/
+/*#define HAS_LOCALTIME64 / **/
+/*#define HAS_GMTIME64 / **/
+/*#define HAS_MKTIME64 / **/
+/*#define HAS_DIFFTIME64 / **/
+/*#define HAS_ASCTIME64 / **/
+
+/* HAS_TIMEGM:
+ * This symbol, if defined, indicates that the timegm routine is
+ * available to do the opposite of gmtime ()
+ */
+/*#define HAS_TIMEGM / **/
+
+/* U32_ALIGNMENT_REQUIRED:
+ * This symbol, if defined, indicates that you must access
+ * character data through U32-aligned pointers.
+ */
+#ifndef U32_ALIGNMENT_REQUIRED
+#define U32_ALIGNMENT_REQUIRED /**/
+#endif
+
+/* HAS_UALARM:
+ * This symbol, if defined, indicates that the ualarm routine is
+ * available to do alarms with microsecond granularity.
+ */
+/*#define 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)
+ */
+/*#define HAS_UNORDERED / **/
+
+/* HAS_UNSETENV:
+ * This symbol, if defined, indicates that the unsetenv () routine is
+ * available for use.
+ */
+/*#define 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);
+ */
+/*#define 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.
+ */
+/*#define HAS_USTAT / **/
+
+/* HAS_WRITEV:
+ * This symbol, if defined, indicates that the writev routine is
+ * available to do scatter writes.
+ */
+/*#define HAS_WRITEV / **/
+
+/* USE_DYNAMIC_LOADING:
+ * This symbol, if defined, indicates that dynamic loading of
+ * some sort is available.
+ */
+/*#define 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.
+ */
+/*#define FFLUSH_NULL / **/
+/*#define 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.
+ */
+#define I_ASSERT /**/
+
+/* I_CRYPT:
+ * This symbol, if defined, indicates that <crypt.h> exists and
+ * should be included.
+ */
+/*#define 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.