user: Please show me the C implementation that matches the assembly code listed below:

```asm
<enumerate_faces>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x38,%rsp
  mov    %rdi,%rbx
  mov    %rsi,%r15
  mov    %rdx,%rbp
  mov    %rcx,%r14
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  movl   $0x0,0x8(%rsp)
  mov    $0x0,%r12d
  jmp    L392
L322:
  mov    %rdx,%rbx
  jmp    L392
L497:
  mov    %r12d,0x8(%rsp)
  mov    %rcx,%rbx
  jmp    L392
L412:
  mov    %rax,%rbx
  jmp    L392
L419:
  mov    %rax,%rbx
  jmp    L392
L330:
  movzwl 0x2(%rbx),%r13d
  lea    0x4(%rbx),%rdx
  movzwl 0x4(%rbx),%eax
  cmp    $0xfff8,%ax
  ja     L322
  mov    %rdx,%rbx
  mov    $0x0,%edx
  mov    $0xffffffff,%ecx
  jmp    L105
  movzwl 0x2(%rbx),%eax
  mov    %r12d,0x10(%rsp,%rax,4)
  add    $0x4,%rbx
  jmp    L239
  add    %r13d,%r13d
  add    $0x2,%rbx
  jmp    L239
  mov    %r13d,%eax
  shr    $0x1f,%eax
  add    %r13d,%eax
  sar    %eax
  mov    %eax,%r13d
  add    $0x2,%rbx
  jmp    L239
  cmp    $0xffffffff,%ecx
  jne    L433
L193:
  movzwl 0x2(%rbx),%eax
  mov    0x10(%rsp,%rax,4),%edx
  add    $0x4,%rbx
  mov    %r13d,%ecx
  jmp    L239
L433:
  movzwl 0x2(%rbx),%eax
  mov    0x10(%rsp,%rax,4),%edi
  sub    $0x8,%rsp
  push   %r14
  mov    %rbp,%r9
  mov    %r15,%r8
  mov    %r13d,%esi
  call   <enumerate_ring_faces@plt>
  add    $0x10,%rsp
  jmp    L193
  add    $0x2,%rbx
  movl   $0x1,0xc(%rsp)
L12:
  movzwl (%rbx),%eax
  cmp    $0xfff7,%ax
  je     L224
  test   %ax,%ax
  mov    $0x1,%eax
  cmove  %eax,%r13d
  add    $0x4,%rbx
L464:
  cmp    $0xffffffff,%ecx
  jne    L326
L138:
  lea    (%r12,%r13,1),%eax
  cmpl   $0x0,0xc(%rsp)
  cmovne %eax,%r12d
  mov    %r12d,%edx
  mov    %r13d,%ecx
  lea    (%r12,%r13,1),%r12d
L239:
  movzwl (%rbx),%eax
  cmp    $0xfff8,%ax
  ja     L392
L105:
  add    $0xd,%eax
  cmp    $0x5,%ax
  ja     L102
  movzwl %ax,%eax
  lea    D4(%rip),%rdi
  movslq (%rdi,%rax,4),%rax
  add    %rdi,%rax
  notrack jmp *%rax
L102:
  movl   $0x0,0xc(%rsp)
  jmp    L12
L224:
  movzwl 0x2(%rbx),%eax
  lea    0x4(%rbx,%rax,4),%rbx
  jmp    L464
L326:
  sub    $0x8,%rsp
  push   %r14
  mov    %rbp,%r9
  mov    %r15,%r8
  mov    %r13d,%esi
  mov    %r12d,%edi
  call   <enumerate_ring_faces@plt>
  add    $0x10,%rsp
  jmp    L138
L465:
  lea    0x4(%rbx),%rdx
  add    $0x2,%rbx
  cmp    $0xfffa,%ax
  cmove  %rdx,%rbx
  movzwl (%rbx),%eax
  mov    $0x0,%edx
  mov    $0xffffffff,%esi
  cmp    $0xfff8,%ax
  jbe    L97
  jmp    L392
L13:
  movzwl 0x2(%rbx),%eax
  movzwl 0x4(%rbx),%ecx
  add    0x10(%rsp,%rax,4),%ecx
  mov    %ecx,0xc(%rsp)
  mov    %r12d,%r13d
  jmp    L418
L43:
  movzwl 0x8(%rbx),%eax
  movzwl 0xa(%rbx),%ecx
  mov    %r13d,%r12d
  add    0x10(%rsp,%rax,4),%ecx
  mov    %ecx,%r13d
  jmp    L374
L104:
  movzwl (%rbx),%eax
  cmp    $0xfff8,%ax
  ja     L392
  mov    %r13d,%edx
  mov    0xc(%rsp),%esi
L97:
  lea    0x1(%r12),%r13d
  mov    %r12d,0xc(%rsp)
  cmp    $0xfff3,%ax
  je     L13
L418:
  lea    0x1(%r13),%r12d
  cmpw   $0xfff3,0x6(%rbx)
  je     L43
L374:
  add    $0xc,%rbx
  cmp    $0xffffffff,%esi
  je     L104
  mov    0xc(%rsp),%r8d
  mov    %r13d,%ecx
  mov    %r15,%rdi
  call   *%r14
  test   %rbp,%rbp
  je     L104
  addl   $0x1,0x0(%rbp)
  jmp    L104
L317:
  lea    0x2(%rbx),%rcx
  movzwl 0x2(%rbx),%eax
  cmp    $0xfff8,%ax
  ja     L497
  mov    %r12d,%edx
  mov    %rcx,%rbx
  jmp    L287
L8:
  movzwl 0x2(%rbx),%eax
  mov    %edx,0x10(%rsp,%rax,4)
  add    $0x4,%rbx
L488:
  movzwl (%rbx),%eax
  cmp    $0xfff8,%ax
  ja     L63
L287:
  cmp    $0xfff4,%ax
  je     L8
  add    $0x6,%rbx
  add    $0x1,%edx
  jmp    L488
L63:
  mov    %r12d,0x8(%rsp)
  mov    %edx,%r12d
L392:
  movzwl (%rbx),%eax
  cmp    $0xfffe,%ax
  je     L330
  lea    0x7(%rax),%edx
  cmp    $0x1,%dx
  jbe    L465
  cmp    $0xfffd,%ax
  je     L317
  cmp    $0xfffc,%ax
  je     L73
  cmp    $0xfffb,%ax
  jne    L130
  lea    0x2(%rbx),%rax
  movzwl 0x2(%rbx),%esi
  cmp    $0xfff8,%si
  ja     L419
  mov    %rax,%rbx
  jmp    L295
L73:
  lea    0x2(%rbx),%rax
  movzwl 0x2(%rbx),%esi
  cmp    $0xfff8,%si
  ja     L412
  mov    %rax,%rbx
  jmp    L381
L257:
  add    $0x8,%rbx
  movzwl (%rbx),%esi
  cmp    $0xfff8,%si
  ja     L392
L381:
  movzwl 0x6(%rbx),%eax
  movzwl 0x4(%rbx),%ecx
  mov    0x8(%rsp),%edi
  add    %edi,%ecx
  movzwl 0x2(%rbx),%edx
  add    %edi,%edx
  movzwl %si,%esi
  add    %edi,%esi
  lea    (%rax,%rdi,1),%r8d
  mov    %r15,%rdi
  call   *%r14
  test   %rbp,%rbp
  je     L257
  addl   $0x1,0x0(%rbp)
  jmp    L257
L346:
  add    $0x6,%rbx
  movzwl (%rbx),%esi
  cmp    $0xfff8,%si
  ja     L392
L295:
  movzwl 0x4(%rbx),%ecx
  mov    0x8(%rsp),%eax
  add    %eax,%ecx
  movzwl 0x2(%rbx),%edx
  add    %eax,%edx
  movzwl %si,%esi
  add    %eax,%esi
  mov    $0xffffffff,%r8d
  mov    %r15,%rdi
  call   *%r14
  test   %rbp,%rbp
  je     L346
  addl   $0x1,0x0(%rbp)
  jmp    L346
L130:
  mov    0x28(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L479
  add    $0x38,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L479:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void enumerate_faces(unsigned short *data, void *h, int *count_ret, void (*process_face)(void *h, int v1, int v2, int v3, int v4)) {
  int basevertex = 0, startofvertices = 0;
  int backrefs[5];
  while (1) {
    if (data[0] == 65534) {
      int steps;
      int prevsteps = -1, prevbase = 0;
      steps = data[1];
      data += 2;
      while (data[0] <= 65528) {
        if (data[0] == 65524) {
          backrefs[data[1]] = basevertex;
          data += 2;
          continue;
        }
        if (data[0] == 65526) {
          steps *= 2;
          data++;
          continue;
        } else if (data[0] == 65525) {
          steps /= 2;
          data++;
          continue;
        }
        if (data[0] == 65523) {
          if (prevsteps != -1) {
            enumerate_ring_faces(backrefs[data[1]], steps, prevbase, prevsteps, h, count_ret, process_face);
          }
          prevbase = backrefs[data[1]];
          data += 2;
        } else {
          int isseam = 0;
          if (data[0] == 65528) {
            isseam = 1;
            data++;
          }
          if (data[0] == 65527) {
            data += 2 + data[1] * 2;
          } else {
            if (data[0] == 0)
              steps = 1;
            data += 2;
          }
          if (prevsteps != -1) {
            enumerate_ring_faces(basevertex, steps, prevbase, prevsteps, h, count_ret, process_face);
          }
          if (isseam)
            basevertex += steps;
          prevbase = basevertex;
          basevertex += steps;
        }
        prevsteps = steps;
      }
    } else if (data[0] == 65530 || data[0] == 65529) {
      int v0 = -1, v1 = 0, v2, v3;
      if (data[0] == 65530)
        data += 2;
      else
        data++;
      while (data[0] <= 65528) {
        if (data[0] == 65523) {
          v2 = backrefs[data[1]] + data[2];
        } else {
          v2 = basevertex;
          basevertex++;
        }
        if (data[3] == 65523) {
          v3 = backrefs[data[4]] + data[5];
        } else {
          v3 = basevertex;
          basevertex++;
        }
        data += 6;
        if (v0 != -1) {
          process_face(h, v0, v1, v3, v2);
          if (count_ret)
            (*count_ret)++;
        }
        v0 = v2;
        v1 = v3;
      }
    } else if (data[0] == 65533) {
      data++;
      startofvertices = basevertex;
      while (data[0] <= 65528) {
        if (data[0] == 65524) {
          backrefs[data[1]] = basevertex;
          data += 2;
          continue;
        }
        data += 3;
        basevertex++;
      }
    } else if (data[0] == 65532) {
      data++;
      while (data[0] <= 65528) {
        process_face(h, data[0] + startofvertices, data[1] + startofvertices, data[2] + startofvertices, data[3] + startofvertices);
        if (count_ret)
          (*count_ret)++;
        data += 4;
      }
    } else if (data[0] == 65531) {
      data++;
      while (data[0] <= 65528) {
        process_face(h, data[0] + startofvertices, data[1] + startofvertices, data[2] + startofvertices, -1);
        if (count_ret)
          (*count_ret)++;
        data += 3;
      }
    } else {
      break;
    }
  }
}
```