ios: PCA Phobos VPN for iPhone (source)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

ios/Tunnel/pcarelay.h

@@ -0,0 +1,14 @@
+#ifndef PCARELAY_H
+#define PCARELAY_H
+
+/* Start the transport switch thread: obfuscator -> 127.0.0.1:local_port -> host via UDP or TCP. */
+int pcarelay_start(int local_port, const char *host, int udp_port, int tcp_port);
+void pcarelay_use_tcp(int on);
+int pcarelay_is_tcp(void);
+/* Bytes received back from the server on any path (auto-detects a dead UDP). */
+unsigned long long pcarelay_rx_bytes(void);
+
+/* wg-obfuscator compiled in with -Dmain=wgobf_main (one instance per process). */
+int wgobf_main(int argc, char **argv);
+
+#endif