3 * Miscellaneous string functions.
5 * Copyright (C) 1987-1998 by the Massachusetts Institute of Technology
6 * For copying and distribution information, please see the file
10 #include <mit-copyright.h>
18 * Trim whitespace off both ends of a string.
20 char *strtrim(char *save)
27 /* skip to end of string */
52 /* Modify a string for all of the letters to be uppercase. */
54 char *uppercase(char *s)
67 char *lowercase(char *s)