Remove dead ports

Remove the following ports:

- dgux
- nextstep
- sunos4
- svr4
- ultrix4
- univel

These are obsolete and not worth rescuing.  In most cases, there is
circumstantial evidence that they wouldn't work anymore anyway.

1 files changed, 0 insertions, 57 deletions

diff --git a/src/include/port/ultrix4.h b/src/include/port/ultrix4.h
deleted file mode 100644
index 279f990f7f6..00000000000
--- a/src/include/port/ultrix4.h
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * src/include/port/ultrix4.h
- */
-#define NOFIXADE
-#define NEED_STRDUP
-
-/*
- * Except for those system calls and library functions that are either
- * - covered by the C standard library and Posix.1
- * - or need a declaration to declare parameter or return types,
- * most Ultrix 4 calls are not declared in the system header files.
- * The rest of this header is used to remedy this for PostgreSQL to give a
- * warning-free compilation.
- */
-
-#include <sys/types.h>			/* Declare various types, e.g. size_t, fd_set */
-
-extern int	fp_class_d(double);
-extern long random(void);
-
-struct rusage;
-extern int	getrusage(int, struct rusage *);
-
-extern int	ioctl(int, unsigned long,...);
-
-extern int	socket(int, int, int);
-struct sockaddr;
-extern int	connect(int, const struct sockaddr *, int);
-typedef int ssize_t;
-extern ssize_t send(int, const void *, size_t, int);
-extern ssize_t recv(int, void *, size_t, int);
-extern int	setsockopt(int, int, int, const void *, int);
-extern int	bind(int, const struct sockaddr *, int);
-extern int	listen(int, int);
-extern int	accept(int, struct sockaddr *, int *);
-extern int	getsockname(int, struct sockaddr *, int *);
-extern ssize_t recvfrom(int, void *, size_t, int, struct sockaddr *, int *);
-extern ssize_t sendto(int, const void *, size_t, int, const struct sockaddr *, int);
-struct timeval;
-extern int	select(int, fd_set *, fd_set *, fd_set *, struct timeval *);
-
-extern int	gethostname(char *, int);
-
-extern int	getopt(int, char *const *, const char *);
-extern int	putenv(const char *);
-
-struct itimerval;
-extern int	setitimer(int, const struct itimerval *, struct itimerval *);
-struct timezone;
-extern int	gettimeofday(struct timeval *, struct timezone *);
-
-extern int	fsync(int);
-extern int	ftruncate(int, off_t);
-
-extern char *crypt(char *, char *);
-
-/* End of ultrix4.h */