elf_sym_str
name = elf_sym_str(obj, sym->st_name) ?: "<?>";
sname = elf_sym_str(obj, sym->st_name);
ext_name = elf_sym_str(obj, sym->st_name);
sym_name = elf_sym_str(obj, sym->st_name);
name = elf_sym_str(obj, sym->st_name) ?: "<?>";
static const char *elf_sym_str(const struct bpf_object *obj, size_t off);
name = elf_sym_str(obj, sym->st_name);