V_INT_ERRNO 41 uspace/app/trace/syscalls.c [SYS_KIO] = { "kio", 3, V_INT_ERRNO }, V_INT_ERRNO 236 uspace/app/trace/trace.c case V_INT_ERRNO: V_INT_ERRNO 667 uspace/app/trace/trace.c o = oper_new("vfs_walk", 2, arg_def, V_INT_ERRNO, 0, resp_def);HelenOS homepage, sources at GitHub