Replace bzero with memset

configure

@@ -298,10 +298,6 @@ case $SYSTEM in
             EXTRA_CLI_LIBS="-lsocket -lnsl"
             add_def SOLARIS
             echo "Configuring for Solaris (" $SYSTEM "SunOS version" $VERSION ")"
-            if [ $VERSION = "5.3" ]; then
-                add_def HAS_NO_BZERO
-                echo "Using memset() instead of bzero()"
-            fi
         ;;
     esac
     ;;

regress.c

@@ -421,7 +421,7 @@ find_ordered_entry(double *x, int n, int index)
 {
   int flags[MAX_POINTS];
 
-  bzero(flags, n * sizeof(int));
+  memset(flags, 0, n * sizeof(int));
   return find_ordered_entry_with_flags(x, n, index, flags);
 }
 #endif

sysincl.h

@@ -89,10 +89,6 @@
 #include <nlist.h>
 #endif
 
-#if defined (HAS_NO_BZERO)
-#define bzero(ptr,n) memset(ptr,0,n)
-#endif /* HAS_NO_BZERO */
-
 #if defined (WINNT)
 
 /* Designed to work with the GCC from the GNAT-3.10 for Win32