--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ftp.h	Tue Dec 06 13:51:55 2022 +0000
@@ -0,0 +1,115 @@
+/*
+ * Copyright (c) 2015 Sunil Nimmagadda <sunil@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef	FTP_H
+#define	FTP_H
+
+#include <sys/types.h>
+
+#include <signal.h>
+#include <stdarg.h>
+
+#define	S_HTTP	0
+#define S_FTP	1
+#define S_FILE	2
+#define S_HTTPS	3
+
+#define TMPBUF_LEN	131072
+
+#define P_PRE	100
+#define P_OK	200
+#define P_INTER	300
+#define N_TRANS	400
+#define	N_PERM	500
+
+#ifndef nitems
+#define nitems(_a)	(sizeof((_a)) / sizeof((_a)[0]))
+#endif /* nitems */
+
+struct url {
+	int	 scheme;
+	int	 ip_literal;
+	char	*host;
+	char	*port;
+	char	*path;
+	char	*basic_auth;
+};
+
+/* main.c */
+extern volatile sig_atomic_t interrupted;
+extern struct url	*ftp_proxy, *http_proxy;
+extern const char	*useragent;
+extern char		*oarg;
+extern int		 activemode, family, io_debug, verbose, progressmeter;
+
+int		 fd_request(char *, int, off_t *);
+
+/* cmd.c */
+void		 cmd(const char *, const char *, const char *);
+
+/* file.c */
+struct url	*file_get(struct url *, off_t *, off_t *);
+void		 file_save(struct url *, FILE *, off_t *);
+
+/* ftp.c */
+void		 ftp_connect(struct url *, int);
+struct url	*ftp_get(struct url *, off_t *, off_t *);
+void		 ftp_close(struct url *);
+void		 ftp_save(struct url *, FILE *, off_t *);
+int		 ftp_auth(FILE *, const char *, const char *);
+int		 ftp_command(FILE *, const char *, ...)
+		     __attribute__((__format__ (printf, 2, 3)))
+		     __attribute__((__nonnull__ (2)));
+int		 ftp_eprt(FILE *);
+int		 ftp_epsv(FILE *);
+int		 ftp_getline(char **, size_t *, int, FILE *);
+int		 ftp_size(FILE *, const char *, off_t *, char **);
+
+/* http.c */
+void		 http_connect(struct url *, int);
+struct url	*http_get(struct url *, off_t *, off_t *);
+void		 http_close(struct url *);
+void		 http_save(struct url *, FILE *, off_t *);
+void		 https_init(char *);
+
+/* progressmeter.c */
+void		start_progress_meter(const char *, const char *, off_t, off_t *);
+void		stop_progress_meter(void);
+
+/* url.c */
+int		 url_scheme_lookup(const char *);
+void		 url_connect(struct url *, int);
+char		*url_encode(const char *);
+void		 url_free(struct url *);
+struct url	*xurl_parse(const char *);
+struct url	*url_parse(const char *);
+struct url	*url_request(struct url *, off_t *, off_t *);
+void		 url_save(struct url *, FILE *, off_t *);
+void		 url_close(struct url *);
+char		*url_str(struct url *);
+const char	*url_scheme_str(int);
+const char	*url_port_str(int);
+
+/* util.c */
+int		 connect_wait(int);
+void		 copy_file(FILE *, FILE *, off_t *);
+int		 tcp_connect(const char *, const char *, int);
+void		 log_request(const char *, struct url *, struct url *);
+void		 log_info(const char *, ...)
+		     __attribute__((__format__ (printf, 1, 2)))
+		     __attribute__((__nonnull__ (1)));
+
+#endif	/* FTP_H */