case ENOSYS: return "Invalid instruction/syscall";
case EINVAL: return "Bad argument(s)";
case EBADF: return "Invalid file";
case ENOMEM: return "No free memory";
case EACCES: return "Not permitted";
case EBUSY: return "Resource is busy";
case ENOSYS: return "Invalid instruction/syscall";
case EINVAL: return "Bad argument(s)";
case EBADF: return "Invalid file";
case ENOMEM: return "No free memory";
case EACCES: return "Not permitted";
case EBUSY: return "Resource is busy";