Generify source code

Previously we would fail in some parts of the code if we did not have a
premade configuration, now we use any code that was marked as Linux, BSD and
Solaris as our basis in order to support building unknown Unix systems.

cde/lib/DtMmdb/utility/filebuf.C

@@ -26,10 +26,6 @@
 #include <sys/types.h>
 #include <unistd.h>
 
-#if !defined(__linux__) && !defined(CSRG_BASED) && !defined(sun)
-#include <sysent.h>
-#endif
-
 #include <fcntl.h>
 #include <string.h>
 

cde/lib/DtMmdb/utility/funcs.h

@@ -52,14 +52,7 @@
 #ifndef _funcs_h
 #define _funcs_h 1
 
-#if !defined(__linux__) && !defined(CSRG_BASED) && !defined(sun)
-#include <libc.h>
-#endif
-#if defined(__linux__) || defined(CSRG_BASED) || defined(sun)
 #include <unistd.h>
-#else
-#include <sysent.h>
-#endif
 #include <time.h>
 #include <errno.h>
 #include <string.h>

cde/lib/DtMmdb/utility/streambuf.C

@@ -22,12 +22,7 @@
  */
 /* $XConsortium: streambuf.C /main/8 1996/08/21 15:55:14 drk $ */
 #include "utility/c_streambuf.h"
-
-#if defined(__linux__) || defined(CSRG_BASED) || defined(sun)
 #include <stdlib.h>
-#else
-#include <libc.h>
-#endif
 
 #define DEF_BUF_SIZ 4096