--- rxvt-unicode/src/libptytty.h	2006/01/22 16:36:40	1.2
+++ rxvt-unicode/src/libptytty.h	2006/01/25 10:51:26	1.6
@@ -4,6 +4,10 @@
 #ifndef LIBPTYTTY_H_ /* public libptytty header file */
 #define LIBPTYTTY_H_
 
+#ifdef __cplusplus
+
+// c++ api
+
 struct ptytty {
   int pty; // pty file descriptor; connected to rxvt
   int tty; // tty file descriptor; connected to child
@@ -36,5 +40,29 @@
   }
 };
 
+#else
+
+// c api
+
+typedef void *PTYTTY;
+
+int ptytty_pty (PTYTTY ptytty);
+int ptytty_tty (PTYTTY ptytty);
+void ptytty_delete (PTYTTY ptytty);
+int ptytty_get (PTYTTY ptytty);
+void ptytty_login (PTYTTY ptytty, int cmd_pid, int login_shell, const char *hostname);
+
+void ptytty_close_tty (PTYTTY ptytty);
+int ptytty_make_controlling_tty (PTYTTY ptytty);
+void ptytty_set_utf8_mode (PTYTTY ptytty, int on);
+
+void ptytty_init ();
+PTYTTY ptytty_create ();
+
+void ptytty_drop_privileges ();
+void ptytty_use_helper ();
+
+#endif
+
 #endif