PROTO_R_COPY
if (pe == NULL || (n = copy_protoent(pe, pptr, PROTO_R_COPY)) != 0)
return (copy_protoent(pe, pptr, PROTO_R_COPY));
if (pe == NULL || (n = copy_protoent(pe, pptr, PROTO_R_COPY)) != 0)
return (copy_protoent(pe, pptr, PROTO_R_COPY));
if (pe == NULL || (n = copy_protoent(pe, pptr, PROTO_R_COPY)) != 0)
return (copy_protoent(pe, pptr, PROTO_R_COPY));