fprint_hex
void fprint_hex(FILE *f, void *arg, unsigned int n, const char *sep);
fprint_hex(stdout, key, info.key_size, " ");
fprint_hex(stdout, key, info.key_size, " ");
fprint_hex(stdout, nextkey, info.key_size, " ");
fprint_hex(stdout, key, info->key_size, " ");
fprint_hex(stdout, key, info->key_size, " ");
fprint_hex(stdout, value, info->value_size, " ");
fprint_hex(stdout, key, info->key_size, " ");
fprint_hex(stdout, value + i * step,
fprint_hex(stdout, e->data, e->size, " ");
fprint_hex(stdout, info->tag, BPF_TAG_SIZE, "");
fprint_hex(stdout, insn + i, 8, " ");
fprint_hex(stdout, insn + i + 1, 8, " ");
fprint_hex(stdout, cur, 8, " ");
fprint_hex(stdout, cur + 1, 8, " ");