Also tweak a comment.
Signed-off-by: Benno Schulenberg <bensberg@justemail.net>
#ifndef UTIL_LINUX_CAREFUULPUTC_H
#define UTIL_LINUX_CAREFUULPUTC_H
-/* putc() for use in write and wall (that sometimes are sgid tty) */
-/* Avoid control characters in our locale, and also ASCII control characters.
- Note that the locale of the recipient is unknown. */
+/*
+ * A putc() for use in write and wall (that sometimes are sgid tty).
+ * It avoids control characters in our locale, and also ASCII control
+ * characters. Note that the locale of the recipient is unknown.
+*/
#include <stdio.h>
-#include <ctype.h>
#include <string.h>
#include <ctype.h>