umem_lookup_by_name
if (umem_lookup_by_name(name, &sym))
extern ssize_t umem_lookup_by_name(const char *, GElf_Sym *);
if (umem_lookup_by_name("umem_alloc_sizes", &sym) == -1) {
if (umem_lookup_by_name("umem_error_buffer", &sym) == -1) {
if (umem_lookup_by_name("umem_alloc_sizes", &sym) == -1) {
if (umem_lookup_by_name("umem_null_cache", &sym) == -1) {
if (umem_lookup_by_name("umem_magtype", &mt_sym) == -1) {