8cc.cpp

#include <cstdint>
#include <cstdio>

#define LABEL(Label) \
  (((uint64_t)(#Label"\0"              )[0] <<  0)\
  |((uint64_t)(#Label"\0\0"            )[1] <<  8)\
  |((uint64_t)(#Label"\0\0\0"          )[2] << 16)\
  |((uint64_t)(#Label"\0\0\0\0"        )[3] << 24)\
  |((uint64_t)(#Label"\0\0\0\0\0"      )[4] << 32)\
  |((uint64_t)(#Label"\0\0\0\0\0\0"    )[5] << 40)\
  |((uint64_t)(#Label"\0\0\0\0\0\0\0"  )[6] << 48)\
  |((uint64_t)(#Label"\0\0\0\0\0\0\0\0")[7] << 56))

enum Tag : uint64_t {
  COLOR    = LABEL(COLOR),
  BIPED    = LABEL(BIPED),
  TEXTURE  = LABEL(TEXTURE),
  ENGINEER = LABEL(ENGINEER)
};

void pp(const Tag tag) {
  printf("%#.016llx - \"%.8s\"\n", tag, &tag, &tag);
}

int main(int argc, const char *argv[]) {
  pp(Tag::COLOR), pp(Tag::BIPED), pp(Tag::TEXTURE), pp(Tag::ENGINEER);
  return 0;
}

0x000000524f4c4f43 - "COLOR"
0x0000004445504942 - "BIPED"
0x0045525554584554 - "TEXTURE"
0x5245454e49474e45 - "ENGINEER"