libbb: introduce fputc_printable (from ed)
netstat: print control chars as ^C etc
vi: style fixlet

function                                             old     new   delta
fputc_printable                                        -     100    +100
unix_do_one                                          451     487     +36
printLines                                           258     190     -68
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 1/1 up/down: 136/-68)            Total: 68 bytes


diff --git a/editors/vi.c b/editors/vi.c
index b6d4dcf..d8492fe 100644
--- a/editors/vi.c
+++ b/editors/vi.c
@@ -899,7 +899,7 @@
 			if (c_is_no_print) {
 				c = '.';
 				standout_start();
-				}
+			}
 			if (c == '\n') {
 				write1("$\r");
 			} else if (c < ' ' || c == 127) {