btf_str_by_offset
const char *btf_str_by_offset(const struct btf *btf, u32 offset);
name = btf_str_by_offset(btf, t->name_off);
const char *src = btf_str_by_offset(btf, offset);
const char *src = btf_str_by_offset(btf, offset);
name = btf_str_by_offset(btf, offset);
return btf_str_by_offset(btf, offset);
#define btf__str_by_offset btf_str_by_offset