--- a/Unix.st	Sat Mar 07 14:39:10 1998 +0100
+++ b/Unix.st	Sat Mar 07 16:37:36 1998 +0100
@@ -3269,6 +3269,7 @@
     char **argv;
     int nargs, i, id;
     OBJ arg;
+    extern char *malloc();
 
     if (__isString(aCommandPath) && 
 	((argArray == nil) || __isArray(argArray)) &&
@@ -7696,6 +7697,7 @@
 %{  /* NOCONTEXT */
 
     char *env;
+    extern char *getenv();
 
     if (__isString(aStringOrSymbol) || __isSymbol(aStringOrSymbol)) {
 #ifdef WIN32
@@ -7708,7 +7710,7 @@
 	    env = buff;
 	}
 #else
-	env =  (char *)getenv(__stringVal(aStringOrSymbol));
+	env =  getenv(__stringVal(aStringOrSymbol));
 #endif
 	if (env) {
 	    RETURN ( __MKSTRING(env) );
@@ -9795,15 +9797,17 @@
 %{  /* NOCONTEXT */
     static char cachedName[64];
     static firstCall = 1;
+    extern char *getenv();
+    extern char *getlogin();
 
     char *name = (char *)0;
 
 #ifdef UNIX_LIKE
 # ifndef __openVMS__
     if (firstCall) {
-	name = (char *)getlogin();
+	name = getlogin();
 	if (! name || (name[0] == 0)) {
-	    name = (char *)getenv("LOGNAME");
+	    name = getenv("LOGNAME");
 	}
 	if (name && (strlen(name) < sizeof(cachedName))) {
 	    strcpy(cachedName, name);
@@ -9832,11 +9836,11 @@
      * try a few common environment variables ...
      */
     if (! name || (name[0] == 0) ) {
-	name = (char *)getenv("LOGIN");
+	name = getenv("LOGIN");
 	if (! name || (name[0] == 0) ) {
-	    name = (char *)getenv("LOGNAME");
+	    name = getenv("LOGNAME");
 	    if (! name || (name[0] == 0) ) {
-		name = (char *)getenv("USER");
+		name = getenv("USER");
 	    }
 	}
     }
@@ -11121,6 +11125,6 @@
 !OperatingSystem class methodsFor:'documentation'!
 
 version
-    ^ '$Header: /cvs/stx/stx/libbasic/Attic/Unix.st,v 1.283 1998-03-04 15:48:17 cg Exp $'
+    ^ '$Header: /cvs/stx/stx/libbasic/Attic/Unix.st,v 1.284 1998-03-07 15:37:36 cg Exp $'
 ! !
 OperatingSystem initialize!