clear_eol
clear_eol(msglen - i);
if (clear_eol(msglen) == 1)
(void) clear_eol(strlen(old));
(void) clear_eol(msglen);
clear_eol(header_length);
while ((void) clear_eol(strlen(&screenbuf[lineindex(i++)])), i < last_hi)
int clear_eol(int len);