--- /dev/null
+/* SVR4 Unix host system */
+
+#include <fcntl.h>
+#include <errno.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <utime.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
+
+#define POSIX_UTIME
+#define HAVE_PROCFS /* This host has /proc support */
+
+extern void EXFUN(abort,(void));
+extern int EXFUN(close,(int));
+extern void EXFUN(exit,(int));
+extern int EXFUN(fclose,(FILE*));
+extern void EXFUN(free,(PTR));
+extern int EXFUN(fseek,(FILE*, long, int));
+extern int EXFUN(getgid,());
+extern int EXFUN(getuid,());
+extern PTR EXFUN(malloc,(unsigned));
+extern void EXFUN(perror,(CONST char *));
+extern int EXFUN(qsort,(void *data,int els, int siz, int func()));
+extern PTR EXFUN(realloc, (PTR, unsigned));
+
+extern char *getenv();
+extern int chmod();
+extern int fstat();
+extern int stat();
+extern int strtol();
+
+extern char *ctime();
+extern int _flsbuf();
+extern int fclose();
+extern int utimes();
+extern int vfprintf();
+extern long atol();
+extern int fputc();
+extern int unlink();
+
+/* 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;
+
+#include "fopen-same.h"