#define ABORT() abort();
+
+#ifndef SH_PATH
+#define SH_PATH "/bin/sh"
+#endif
+
+#ifdef DJGPP
+# define BIT_BUCKET "nul"
+# define OP_BINARY O_BINARY
+# define PERL_SYS_INIT(c,v) Perl_DJGPP_init(c,v)
+# include <signal.h>
+# define HAS_UTIME
+# define HAS_KILL
+ char *djgpp_pathexp (const char*);
+# if (DJGPP==2 && DJGPP_MINOR < 2)
+# define NO_LOCALECONV_MON_THOUSANDS_SEP
+# endif
+# ifdef USE_THREADS
+# define OLD_PTHREADS_API
+# endif
+#else /* DJGPP */
+# ifdef WIN32
+# define PERL_SYS_INIT(c,v) Perl_win32_init(c,v)
+# define BIT_BUCKET "nul"
+# else
+# ifdef CYGWIN32
+# define PERL_SYS_INIT(c,v) \
+ MALLOC_INIT;
+# define OP_BINARY O_BINARY
+# define BIT_BUCKET "nul"
+# define HAS_IOCTL
+# define HAS_UTIME
+# define HAS_KILL
+# define HAS_WAIT
+# define HAS_CHOWN
+# define HAS_GROUP
+# else
+# define PERL_SYS_INIT(c,v)
+# define BIT_BUCKET "\\dev\\nul" /* "wanna be like, umm, Newlined, or somethin?" */
+# endif
+# endif
+#endif /* DJGPP */
+
+#define PERL_SYS_TERM() MALLOC_TERM
+#define dXSUB_SYS
+#define TMPPATH "plXXXXXX"
+
+/*
+ * 5.003_07 and earlier keyed on #ifdef MSDOS for determining if we were
+ * running on DOS, *and* if we had to cope with 16 bit memory addressing
+ * constraints, *and* we need to have memory allocated as unsigned long.
+ *
+ * with the advent of *real* compilers for DOS, they are not locked together.
+ * MSDOS means "I am running on MSDOS". HAS_64K_LIMIT means "I have
+ * 16 bit memory addressing constraints".
+ *
+ * if you need the last, try #DEFINE MEM_SIZE unsigned long.
+ */
+#ifdef MSDOS
+ #ifndef DJGPP
+ #define HAS_64K_LIMIT
+ #endif
+#endif
+
+/* USEMYBINMODE
+ * This symbol, if defined, indicates that the program should
+ * use the routine my_binmode(FILE *fp, char iotype) to insure
+ * that a file is in "binary" mode -- that is, that no translation
+ * of bytes occurs on read or write operations.
+ */
+#undef USEMYBINMODE
+
+/* Stat_t:
+ * This symbol holds the type used to declare buffers for information
+ * returned by stat(). It's usually just struct stat. It may be necessary
+ * to include <sys/stat.h> and <sys/types.h> to get any typedef'ed
+ * information.
+ */
+#define Stat_t struct stat
+
+/* USE_STAT_RDEV:
+ * This symbol is defined if this system has a stat structure declaring
+ * st_rdev
+ */
+#define USE_STAT_RDEV /**/
+
+/* ACME_MESS:
+ * This symbol, if defined, indicates that error messages should be
+ * should be generated in a format that allows the use of the Acme
+ * GUI/editor's autofind feature.
+ */
+#undef ACME_MESS /**/
+
+/* ALTERNATE_SHEBANG:
+ * This symbol, if defined, contains a "magic" string which may be used
+ * as the first line of a Perl program designed to be executed directly
+ * by name, instead of the standard Unix #!. If ALTERNATE_SHEBANG
+ * begins with a character other then #, then Perl will only treat
+ * it as a command line if if finds the string "perl" in the first
+ * word; otherwise it's treated as the first line of code in the script.
+ * (IOW, Perl won't hand off to another interpreter via an alternate
+ * shebang sequence that might be legal Perl code.)
+ */
+/* #define ALTERNATE_SHEBANG "#!" / **/
+
+/*
+ * fwrite1() should be a routine with the same calling sequence as fwrite(),
+ * but which outputs all of the bytes requested as a single stream (unlike
+ * fwrite() itself, which on some systems outputs several distinct records
+ * if the number_of_items parameter is >1).
+ */
+#define fwrite1 fwrite
+
+#define Fstat(fd,bufptr) fstat((fd),(bufptr))
+#define Fflush(fp) fflush(fp)
+#define Mkdir(path,mode) mkdir((path),(mode))
+
+#ifndef WIN32
+# define Stat(fname,bufptr) stat((fname),(bufptr))
+#else
+# define HAS_IOCTL
+# define HAS_UTIME
+# define HAS_KILL
+# define HAS_WAIT
+# define HAS_CHOWN
+/*
+ * This provides a layer of functions and macros to ensure extensions will
+ * get to use the same RTL functions as the core.
+ */
+# ifndef HASATTRIBUTE
+# ifndef PERL_OBJECT
+# include <win32iop.h>
+# endif
+# endif
+#endif /* WIN32 */