--- /dev/null
+#include <fcntl.h>
+#include <errno.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <ctype.h>
+#include <string.h>
+#include <sys/file.h>
+#ifndef O_ACCMODE
+#define O_ACCMODE (O_RDONLY | O_WRONLY | O_RDWR)
+#endif
+#define SEEK_SET 0
+#define SEEK_CUR 1
+
+/* EXACT TYPES */
+typedef char int8e_type;
+typedef unsigned char uint8e_type;
+typedef short int16e_type;
+typedef unsigned short uint16e_type;
+typedef int int32e_type;
+typedef unsigned int uint32e_type;
+
+/* CORRECT SIZE OR GREATER */
+typedef char int8_type;
+typedef unsigned char uint8_type;
+typedef short int16_type;
+typedef unsigned short uint16_type;
+typedef int int32_type;
+typedef unsigned int uint32_type;
+
--- /dev/null
+#include <fcntl.h>
+#include <errno.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <ctype.h>
+#include <string.h>
+#include <sys/file.h>
+#ifndef O_ACCMODE
+#define O_ACCMODE (O_RDONLY | O_WRONLY | O_RDWR)
+#endif
+#define SEEK_SET 0
+#define SEEK_CUR 1
+
+/*
+ * Some things that need to be defined in order to make code written for
+ * BSD Unix compile under System V ("USG") Unix. This file should be
+ * conditionally included in the source.
+ */
+
+#include <memory.h>
+#define bcmp(b1,b2,len) memcmp(b1,b2,len)
+#define bcopy(src,dst,len) memcpy(dst,src,len)
+#define bzero(s,n) memset(s,0,n)
+
+static int
+rename(from, to)
+{
+ unlink(to);
+ return(link(from, to));
+}
+
+/*
+ * Might not need these. Leave them out for now.
+ *
+#include <string.h>
+#define index(s,c) strchr(s,c)
+#define rindex(s,c) strrchr(s,c)
+
+#ifdef SEEK_SET
+# ifndef L_SET
+# define L_SET SEEK_SET
+# endif
+# endif
+
+#ifdef SEEK_CUR
+# ifndef L_INCR
+# define L_INCR SEEK_CUR
+# endif
+# endif
+ */
+
+/* EXACT TYPES */
+typedef char int8e_type;
+typedef unsigned char uint8e_type;
+typedef short int16e_type;
+typedef unsigned short uint16e_type;
+typedef int int32e_type;
+typedef unsigned int uint32e_type;
+
+/* CORRECT SIZE OR GREATER */
+typedef char int8_type;
+typedef unsigned char uint8_type;
+typedef short int16_type;
+typedef unsigned short uint16_type;
+typedef int int32_type;
+typedef unsigned int uint32_type;
+
--- /dev/null
+#include <fcntl.h>
+#include <errno.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <ctype.h>
+#include <string.h>
+#include <sys/file.h>
+#ifndef O_ACCMODE
+#define O_ACCMODE (O_RDONLY | O_WRONLY | O_RDWR)
+#endif
+#define SEEK_SET 0
+#define SEEK_CUR 1
+
+/*
+ * Some things that need to be defined in order to make code written for
+ * BSD Unix compile under System V ("USG") Unix. This file should be
+ * conditionally included in the source.
+ */
+
+#include <memory.h>
+#define bcmp(b1,b2,len) memcmp(b1,b2,len)
+#define bcopy(src,dst,len) memcpy(dst,src,len)
+#define bzero(s,n) memset(s,0,n)
+
+#include <string.h>
+#define index(s,c) strchr(s,c)
+#define rindex(s,c) strrchr(s,c)
+
+/*
+ * Might not need these. Leave them out for now.
+ *
+#ifdef SEEK_SET
+# ifndef L_SET
+# define L_SET SEEK_SET
+# endif
+# endif
+
+#ifdef SEEK_CUR
+# ifndef L_INCR
+# define L_INCR SEEK_CUR
+# endif
+# endif
+ */
+
+/* EXACT TYPES */
+typedef char int8e_type;
+typedef unsigned char uint8e_type;
+typedef short int16e_type;
+typedef unsigned short uint16e_type;
+typedef int int32e_type;
+typedef unsigned int uint32e_type;
+
+/* CORRECT SIZE OR GREATER */
+typedef char int8_type;
+typedef unsigned char uint8_type;
+typedef short int16_type;
+typedef unsigned short uint16_type;
+typedef int int32_type;
+typedef unsigned int uint32_type;
+
--- /dev/null
+#include <fcntl.h>
+#include <errno.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <ctype.h>
+#include <string.h>
+#include <sys/file.h>
+#ifndef O_ACCMODE
+#define O_ACCMODE (O_RDONLY | O_WRONLY | O_RDWR)
+#endif
+#define SEEK_SET 0
+#define SEEK_CUR 1
+
+/* EXACT TYPES */
+typedef char int8e_type;
+typedef unsigned char uint8e_type;
+typedef short int16e_type;
+typedef unsigned short uint16e_type;
+typedef int int32e_type;
+typedef unsigned int uint32e_type;
+
+/* CORRECT SIZE OR GREATER */
+typedef char int8_type;
+typedef unsigned char uint8_type;
+typedef short int16_type;
+typedef unsigned short uint16_type;
+typedef int int32_type;
+typedef unsigned int uint32_type;
+