* Copyright (c) 1980 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
* find last occurrence of a non-blank character in string
* indx will be the index of the last occurence
* of a non-blank character in string, or zero if not found.
register char *p
= str
+ slen
;
while (--p
>= str
&& *p
== ' ' ) ;
return((long)(++p
- str
));