35int varint_read(
const uint8_t *in,
size_t in_len, uint64_t *value);
52int varint_write(uint8_t *out,
size_t offset, uint64_t value);
uint8_t varint_size(uint64_t value)
int varint_write(uint8_t *out, size_t offset, uint64_t value)
int varint_read(const uint8_t *in, size_t in_len, uint64_t *value)