printf uint64_t binary.

gistfile1.c

// Has the advantage of not needing a temp buffer.
#define BINARY_8_FORMAT \
  "%d%d%d%d%d%d%d%d"

#define BINARY_8_PARAMS(byte) \
  (byte & 0x80 ? 1 : 0), \
  (byte & 0x40 ? 1 : 0), \
  (byte & 0x20 ? 1 : 0), \
  (byte & 0x10 ? 1 : 0), \     
  (byte & 0x08 ? 1 : 0), \
  (byte & 0x04 ? 1 : 0), \
  (byte & 0x02 ? 1 : 0), \
  (byte & 0x01 ? 1 : 0)

#define BINARY_64_FORMAT \
  BINARY_8_FORMAT \
  BINARY_8_FORMAT \
  BINARY_8_FORMAT \
  BINARY_8_FORMAT \
  BINARY_8_FORMAT \
  BINARY_8_FORMAT \
  BINARY_8_FORMAT \
  BINARY_8_FORMAT

#define BINARY_64_PARAMS(bytes) \
  BINARY_8_PARAMS(bytes >> 56), \
  BINARY_8_PARAMS(bytes >> 48), \
  BINARY_8_PARAMS(bytes >> 40), \
  BINARY_8_PARAMS(bytes >> 32), \
  BINARY_8_PARAMS(bytes >> 24), \
  BINARY_8_PARAMS(bytes >> 16), \
  BINARY_8_PARAMS(bytes >> 8),  \
  BINARY_8_PARAMS(bytes)