# ifndef MAC_OS_GUSI_SOURCE
# define MAC_OS_pre_X
# define NO_SYS_TYPES_H
+ typedef long ssize_t;
# endif
# define NO_SYS_PARAM_H
# define NO_CHMOD
# define MS_STATIC
#endif
-#if defined(_WIN32) && !defined(WIN32)
+#if defined(_WIN32) && !defined(WIN32) && !defined(__CYGWIN32__)
# define WIN32
#endif
-#if defined(WIN32) || defined(WIN16)
+#if (defined(WIN32) || defined(WIN16)) && !defined(__CYGWIN32__)
# ifndef WINDOWS
# define WINDOWS
# endif
#define clear_sys_error() errno=0
#endif
-#ifdef WINDOWS
+#if defined(WINDOWS) && !defined(__CYGWIN32__)
#define get_last_socket_error() WSAGetLastError()
#define clear_socket_error() WSASetLastError(0)
#define readsocket(s,b,n) recv((s),(b),(n),0)
# define NO_FP_API
#endif
-#if defined(WINDOWS) || defined(MSDOS)
+#if (defined(WINDOWS) || defined(MSDOS)) && !defined(__CYGWIN32__)
# ifndef S_IFDIR
# define S_IFDIR _S_IFDIR
# include <sys/select.h>
# endif
+# ifdef __QNX__
+# include <sys/select.h>
+# endif
+
# if defined(sun)
# include <sys/filio.h>
# else
# endif
#endif
+#if defined(__ultrix)
+# ifndef ssize_t
+# define ssize_t int
+# endif
+#endif
+
#if defined(THREADS) || defined(sun)
#ifndef _REENTRANT
#define _REENTRANT
#endif
#endif
+#if defined(sun) && !defined(__svr4__) && !defined(__SVR4)
+ /* bcopy can handle overlapping moves according to SunOS 4.1.4 manpage */
+# define memmove(s1,s2,n) bcopy((s2),(s1),(n))
+# define strtoul(s,e,b) ((unsigned long int)strtol((s),(e),(b)))
+extern char *sys_errlist[]; extern int sys_nerr;
+# define strerror(errnum) \
+ (((errnum)<0 || (errnum)>=sys_nerr) ? NULL : sys_errlist[errnum])
+#endif
+
/***********************************************/
/* do we need to do this for getenv.