+/*
+ * Test if the passed line is a header line, RFC 733 style.
+ */
+headerp(line)
+ register char *line;
+{
+ register char *cp = line;
+
+ while (*cp && !isspace(*cp) && *cp != ':')
+ cp++;
+ while (*cp && isspace(*cp))
+ cp++;
+ return(*cp == ':');
+}
+