return dp;
}
+
+
+/*
+ * rtrim() -- modify the argument to:
+ * -- strip trailing whitespace
+ *
+ * This code is Copyright (c) 2014, by the authors of nmh. See the
+ * COPYRIGHT file in the root directory of the nmh distribution for
+ * complete copyright information.
+ */
+char *
+rtrim (char *sp) {
+ char *cp;
+
+ /* start at the end and zap trailing whitespace */
+ for (cp = sp + strlen (sp) - 1;
+ cp >= sp && isspace ((unsigned char) *cp);
+ --cp) { continue; }
+ *++cp = '\0';
+
+ return sp;
+}