Function sbuf_putc

freebsd/kern/subr_sbuf.c:726–734

* Append a character to an sbuf. */

 * Append a character to an sbuf.
 */
int
sbuf_putc(struct sbuf *s, int c)
{

	sbuf_put_byte(s, c);
	if (s->s_error != 0)
		return (-1);
	return (0);
}

/*
 * Append a trailing newline to a non-empty sbuf, if one is not already