Delete bundled copy of NSS and replace with README.

nspr/lib/libc/src/strcpy.c

-/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include "plstr.h"
-#include <string.h>
-
-PR_IMPLEMENT(char *)
-PL_strcpy(char *dest, const char *src)
-{
-    if( ((char *)0 == dest) || ((const char *)0 == src) ) return (char *)0;
-
-    return strcpy(dest, src);
-}
-
-PR_IMPLEMENT(char *)
-PL_strncpy(char *dest, const char *src, PRUint32 max)
-{
-    char *rv;
-    
-    if( (char *)0 == dest ) return (char *)0;
-    if( (const char *)0 == src ) return (char *)0;
-
-    for( rv = dest; max && ((*dest = *src) != 0); dest++, src++, max-- )
-        ;
-
-#ifdef JLRU
-    /* XXX I (wtc) think the -- and ++ operators should be postfix. */
-    while( --max )
-        *++dest = '\0';
-#endif /* JLRU */
-
-    return rv;
-}
-
-PR_IMPLEMENT(char *)
-PL_strncpyz(char *dest, const char *src, PRUint32 max)
-{
-    char *rv;
-    
-    if( (char *)0 == dest ) return (char *)0;
-    if( (const char *)0 == src ) return (char *)0;
-    if( 0 == max ) return (char *)0;
-
-    for( rv = dest, max--; max && ((*dest = *src) != 0); dest++, src++, max-- )
-        ;
-
-    *dest = '\0';
-
-    return rv;
-}