async_forward_4 192 uspace/lib/c/include/async.h extern errno_t async_forward_4(ipc_call_t *, async_exch_t *, sysarg_t, async_forward_4 192 uspace/lib/posix/include/libc/async.h extern errno_t async_forward_4(ipc_call_t *, async_exch_t *, sysarg_t,HelenOS homepage, sources at GitHub