btf__parse
base = btf__parse(sysfs_vmlinux, NULL);
info->src_btf = btf__parse(targ_btf_path, NULL);
info->marked_btf = btf__parse(targ_btf_path, NULL);
btf = btf__parse(obj_path, &btf_ext);
base_btf = btf__parse(optarg, NULL);
base_btf = btf__parse(obj->base_btf_path, NULL);
btf = btf__parse(sysfs_btf_path, NULL);
btf = btf__parse(path, NULL);
LIBBPF_API struct btf *btf__parse(const char *path, struct btf_ext **btf_ext);
obj->btf_vmlinux_override = btf__parse(targ_btf_path, NULL);
btf = btf__parse("xdping_kern.bpf.o", NULL);
btf4 = btf__parse(base_btf_file, NULL);
struct btf *local_btf = btf__parse(test->bpf_obj_file, NULL);
struct btf *targ_btf = btf__parse(test->btf_src_file, NULL);
targ_btf = btf__parse(test->btf_src_file, NULL);
btf = btf__parse("/sys/kernel/btf/vmlinux", NULL);
btf = btf__parse("/sys/kernel/btf/vmlinux", NULL);
btf = btf__parse("/sys/kernel/btf/vmlinux", NULL);
btf = btf__parse("/sys/kernel/btf/vmlinux", NULL);
btf = btf__parse("/sys/kernel/btf/vmlinux", NULL);
btf = btf__parse("/sys/kernel/btf/vmlinux", NULL);