+ * cmpt.c: Include <unistd.h> inconditionally.
+ * connect.c: Likewise.
+ * convert.c: Likewise.
+ * ftp-basic.c: Likewise.
+ * ftp-ls.c: Likewise.
+ * ftp.c: Likewise.
+ * gnutls.c: Likewise.
+ * http.c: Likewise.
+ * init.c: Likewise.
+ * log.c: Likewise.
+ * main.c: Likewise.
+ * openssl.c: Likewise.
+ * progress.c: Likewise.
+ * ptimer.c: Likewise.
+ * recur.c: Likewise.
+ * retr.c: Likewise.
+ * url.c: Likewise.
+ * utils.c: Likewise.
+
+