commit - 5acf19ec96258db04cb04a15bb769cefc9e923f5
commit + 057e7eb6f1bc703a5d90e6ca41a5506008b850e9
blob - 3f89716e58df8fb4fc17d02680a8be4cfa49f5ec
blob + 04250afb914714d4ed340644da020f3da8c3479e
--- cmd.c
+++ cmd.c
@@ -275,7 +275,7 @@ cmd_end_of_buffer(struct buffer *buffer)
 }
 
 static void
-kill_telescope_cb(int r, struct tab *tab)
+kill_telescope_cb(int r, void *data)
 {
 	if (r) {
 		save_session();
@@ -1134,8 +1134,10 @@ cmd_client_certificate_info(struct buffer *buffer)
 }
 
 static void
-unload_certificate_cb(int r, struct tab *tab)
+unload_certificate_cb(int r, void *data)
 {
+	struct tab	*tab = data;
+
 	message("Won't use %s for this site.", tab->client_cert);
 	cert_delete_for(tab->client_cert, &tab->iri, r);
 }
blob - 4b502acc02fdf47903bcbe1860135bc137a1753a
blob + 68e4e85b92815c076662c309cd47275d90bf0643
--- minibuffer.c
+++ minibuffer.c
@@ -55,8 +55,8 @@ static void		 handle_clear_echoarea(int, int, void *);
 static unsigned long	clechotimer;
 static struct timeval	clechotv = { 5, 0 };
 
-static void (*yornp_cb)(int, struct tab *);
-static struct tab *yornp_data;
+static void (*yornp_cb)(int, void *);
+static void *yornp_data;
 
 static void (*read_cb)(const char*, struct tab *);
 static struct tab *read_data;
@@ -447,8 +447,10 @@ toc_select(const char *text)
 }
 
 static void
-save_cert_for_site_cb(int r, struct tab *tab)
+save_cert_for_site_cb(int r, void *data)
 {
+	struct tab		*tab = data;
+
 	cert_save_for(tab->client_cert, &tab->iri, r);
 }
 
@@ -612,8 +614,7 @@ exit_minibuffer(void)
 }
 
 void
-yornp(const char *prompt, void (*fn)(int, struct tab*),
-    struct tab *data)
+yornp(const char *prompt, void (*fn)(int, void*), void *data)
 {
 	size_t len;
 
blob - 536bafdb2a728a29982b0cf5e758b2343ebd53db
blob + 3fbe22ac1c77f2531259668025199b8cb445025c
--- minibuffer.h
+++ minibuffer.h
@@ -92,7 +92,7 @@ void	 enter_minibuffer(void(*)(void), void(*)(const ch
     struct hist *, complfn *, void *, int);
 
 void	 exit_minibuffer(void);
-void	 yornp(const char *, void (*)(int, struct tab *), struct tab *);
+void	 yornp(const char *, void (*)(int, void *), void *);
 
 /*
  * minibuffer_read asks the user for something using the minibuffer.
blob - 07fb73cb5c8bef4e70ffe96a09e11a7868948b53
blob + caee7f6b52087f4621b7a75bc883a55834834ac1
--- telescope.c
+++ telescope.c
@@ -121,9 +121,9 @@ const char *err_pages[70] = {
 static void		 die(void) __attribute__((__noreturn__));
 static struct tab	*tab_by_id(uint32_t);
 static void		 handle_imsg_check_cert(struct imsg *);
-static void		 handle_check_cert_user_choice(int, struct tab *);
-static void		 handle_maybe_save_new_cert(int, struct tab *);
-static void		 handle_maybe_save_page(int, struct tab *);
+static void		 handle_check_cert_user_choice(int, void *);
+static void		 handle_maybe_save_new_cert(int, void *);
+static void		 handle_maybe_save_page(int, void *);
 static void		 handle_save_page_path(const char *, struct tab *);
 static void		 handle_dispatch_imsg(int, int, void *);
 static void		 load_about_url(struct tab *, const char *);
@@ -239,8 +239,10 @@ handle_imsg_check_cert(struct imsg *imsg)
 }
 
 static void
-handle_check_cert_user_choice(int accept, struct tab *tab)
+handle_check_cert_user_choice(int accept, void *d)
 {
+	struct tab *tab = d;
+
 	ui_send_net(IMSG_CERT_STATUS, tab->id, -1, &accept,
 	    sizeof(accept));
 
@@ -272,8 +274,9 @@ handle_check_cert_user_choice(int accept, struct tab *
 }
 
 static void
-handle_maybe_save_new_cert(int accept, struct tab *tab)
+handle_maybe_save_new_cert(int accept, void *data)
 {
+	struct tab *tab = data;
 	struct tofu_entry *e;
 	const char *host, *port;
 
@@ -382,8 +385,9 @@ handle_request_response(struct tab *tab)
 }
 
 static void
-handle_maybe_save_page(int dosave, struct tab *tab)
+handle_maybe_save_page(int dosave, void *data)
 {
+	struct tab	*tab = data;
 	const char	*f;
 	char		 input[PATH_MAX];
 
blob - 0da2d4a759b22e77d116dd27461460787942aaaa
blob + b3aac44246bce82d209ffde2fc02cfe429b21132
--- ui.c
+++ ui.c
@@ -1346,8 +1346,7 @@ ui_after_message_hook(void)
 }
 
 void
-ui_yornp(const char *prompt, void (*fn)(int, struct tab *),
-    struct tab *data)
+ui_yornp(const char *prompt, void (*fn)(int, void *), void *data)
 {
 	yornp(prompt, fn, data);
 	redraw_tab(current_tab);
blob - c1ebfb3481771a7f9df065735f436b0f0591f1d4
blob + b8bcbd9cefc98b72e3145e0b46cbf84318f07f98
--- ui.h
+++ ui.h
@@ -153,7 +153,7 @@ void		 ui_show_downloads_pane(void);
 void		 ui_schedule_redraw(void);
 void		 ui_after_message_hook(void);
 void		 ui_require_input(struct tab *, int, void (*)(const char *));
-void		 ui_yornp(const char *, void (*)(int, struct tab *), struct tab *);
+void		 ui_yornp(const char *, void (*)(int, void *), void *);
 void		 ui_read(const char *, void (*)(const char *, struct tab *), struct tab *, const char *);
 void		 ui_other_window(void);
 void		 ui_suspend(void);