HelenOS sources

ipc_event_unsubscribe   43 uspace/lib/c/include/ipc/event.h extern errno_t ipc_event_unsubscribe(event_type_t);
ipc_event_unsubscribe   43 uspace/lib/posix/include/libc/ipc/event.h extern errno_t ipc_event_unsubscribe(event_type_t);
HelenOS homepage, sources at GitHub