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

```asm
<numzero>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0xc8,%rsp
  mov    %rdi,0x88(%rsp)
  mov    %esi,0x20(%rsp)
  mov    %ecx,0x90(%rsp)
  test   %edx,%edx
  je     L126
  mov    %edx,%r10d
  cmp    %edx,%esi
  jb     L58
  lea    -0x1(%rdx),%eax
  mov    %r10d,0xa0(%rsp)
  xor    %r11d,%r11d
  mov    %eax,0x4c(%rsp)
  lea    -0x2(%rdx),%eax
  mov    %eax,0x54(%rsp)
  lea    -0x3(%rdx),%eax
  mov    %eax,0x64(%rsp)
  lea    -0x4(%rdx),%eax
  mov    %eax,0x74(%rsp)
  lea    -0x5(%rdx),%eax
  mov    %eax,0x24(%rsp)
  lea    -0x6(%rdx),%eax
  mov    %eax,0x1c(%rsp)
  lea    -0x7(%rdx),%eax
  mov    %eax,0x2c(%rsp)
  lea    -0x8(%rdx),%eax
  lea    -0x9(%rdx),%edx
  mov    %eax,0x34(%rsp)
L54:
  mov    0x88(%rsp),%rax
  mov    0x4c(%rsp),%edi
  mov    0x90(%rsp),%ecx
  subl   $0x1,0x20(%rsp)
  add    (%rax),%ecx
  add    $0x4,%rax
  mov    0x20(%rsp),%esi
  mov    %ecx,0x48(%rsp)
  mov    %rax,0x88(%rsp)
  test   %edi,%edi
  je     L321
  cmp    %esi,%edi
  ja     L148
  mov    %rax,0x58(%rsp)
  mov    %esi,0x4(%rsp)
  movl   $0x0,0x38(%rsp)
  mov    %r11d,0xa4(%rsp)
L79:
  mov    0x58(%rsp),%rax
  mov    0x54(%rsp),%ecx
  mov    0x48(%rsp),%ebx
  subl   $0x1,0x4(%rsp)
  add    (%rax),%ebx
  add    $0x4,%rax
  mov    0x4(%rsp),%edi
  mov    %ebx,0x50(%rsp)
  mov    %rax,0x58(%rsp)
  test   %ecx,%ecx
  je     L272
  cmp    %edi,%ecx
  ja     L89
  mov    %rax,0x68(%rsp)
  mov    %edi,0x8(%rsp)
  movl   $0x0,0x3c(%rsp)
L46:
  mov    0x68(%rsp),%rax
  mov    0x50(%rsp),%ebx
  subl   $0x1,0x8(%rsp)
  mov    0x8(%rsp),%ecx
  add    (%rax),%ebx
  add    $0x4,%rax
  mov    %ebx,0x60(%rsp)
  mov    0x64(%rsp),%ebx
  mov    %rax,0x68(%rsp)
  test   %ebx,%ebx
  je     L280
  cmp    %ecx,%ebx
  ja     L306
  mov    %rax,0x78(%rsp)
  mov    %ecx,0xc(%rsp)
  movl   $0x0,0x40(%rsp)
L225:
  mov    0x78(%rsp),%rax
  mov    0x74(%rsp),%edi
  mov    0x60(%rsp),%esi
  subl   $0x1,0xc(%rsp)
  add    (%rax),%esi
  add    $0x4,%rax
  mov    %esi,0x70(%rsp)
  mov    0xc(%rsp),%esi
  mov    %rax,0x78(%rsp)
  test   %edi,%edi
  je     L43
  cmp    %esi,%edi
  ja     L307
  mov    %rax,0x80(%rsp)
  xor    %r14d,%r14d
  mov    %edx,%r15d
  mov    %esi,0x14(%rsp)
L203:
  mov    0x80(%rsp),%rax
  mov    0x70(%rsp),%edx
  subl   $0x1,0x14(%rsp)
  mov    0x14(%rsp),%edi
  add    (%rax),%edx
  add    $0x4,%rax
  mov    %edx,0x10(%rsp)
  mov    0x24(%rsp),%edx
  mov    %rax,0x80(%rsp)
  test   %edx,%edx
  je     L82
  cmp    %edi,%edx
  ja     L24
  movl   $0x0,0x44(%rsp)
  mov    %edi,%r12d
  mov    %rax,%r13
  mov    %r14d,0xb0(%rsp)
  mov    %r15d,%r14d
  nop
L116:
  mov    0x10(%rsp),%eax
  add    0x0(%r13),%eax
  sub    $0x1,%r12d
  add    $0x4,%r13
  mov    %eax,0x18(%rsp)
  mov    0x1c(%rsp),%eax
  test   %eax,%eax
  je     L237
  cmp    %r12d,%eax
  ja     L347
  mov    %r12d,0x94(%rsp)
  mov    %r12d,%ebx
  xor    %r15d,%r15d
  mov    %r13,0x98(%rsp)
  nop
L309:
  mov    0x18(%rsp),%eax
  add    0x0(%r13),%eax
  sub    $0x1,%ebx
  add    $0x4,%r13
  mov    %eax,0x28(%rsp)
  mov    0x2c(%rsp),%eax
  test   %eax,%eax
  je     L145
  cmp    %ebx,%eax
  ja     L281
  mov    %r13,%r10
  mov    %r15d,%r11d
  mov    %r14d,%edx
  xor    %r8d,%r8d
  mov    %r13,%r14
  mov    %ebx,%r15d
  mov    %ebx,%r13d
  nopl   0x0(%rax)
L142:
  mov    0x28(%rsp),%eax
  add    (%r14),%eax
  sub    $0x1,%r13d
  add    $0x4,%r14
  mov    %eax,0x30(%rsp)
  mov    0x34(%rsp),%eax
  test   %eax,%eax
  je     L160
  cmp    %r13d,%eax
  ja     L228
  xor    %ebx,%ebx
  mov    %r10,0xa8(%rsp)
  mov    %r14,%rbp
  mov    %r11d,0xb8(%rsp)
  mov    %ebx,%eax
  mov    %r13d,%ebx
  mov    %r8d,0xbc(%rsp)
  mov    %eax,%r12d
  mov    %r13d,0xb4(%rsp)
  mov    %edx,%r13d
  nopl   0x0(%rax)
L77:
  mov    0x30(%rsp),%ecx
  sub    $0x1,%ebx
  add    0x0(%rbp),%ecx
  add    $0x4,%rbp
  mov    %r13d,%edx
  mov    %ebx,%esi
  mov    %rbp,%rdi
  call   <numzero>
  add    %eax,%r12d
  cmp    %ebx,0x34(%rsp)
  jbe    L77
  mov    0xbc(%rsp),%r8d
  mov    %r13d,%edx
  mov    0xa8(%rsp),%r10
  mov    0xb8(%rsp),%r11d
  mov    0xb4(%rsp),%r13d
  add    %r12d,%r8d
L228:
  cmp    %r13d,0x2c(%rsp)
  jbe    L142
  mov    %r15d,%ebx
  mov    %r11d,%r15d
  mov    %r10,%r13
  mov    %edx,%r14d
  add    %r8d,%r15d
L281:
  cmp    %ebx,0x1c(%rsp)
  jbe    L309
  add    %r15d,0x44(%rsp)
  mov    0x94(%rsp),%r12d
  mov    0x98(%rsp),%r13
L347:
  cmp    %r12d,0x24(%rsp)
  jbe    L116
  mov    %r14d,%r15d
  mov    0xb0(%rsp),%r14d
  add    0x44(%rsp),%r14d
L24:
  mov    0x14(%rsp),%edx
  cmp    %edx,0x74(%rsp)
  jbe    L203
  add    %r14d,0x40(%rsp)
  mov    %r15d,%edx
L307:
  mov    0xc(%rsp),%ecx
  cmp    %ecx,0x64(%rsp)
  jbe    L225
  mov    0x40(%rsp),%esi
  add    %esi,0x3c(%rsp)
L306:
  mov    0x8(%rsp),%ecx
  cmp    %ecx,0x54(%rsp)
  jbe    L46
  mov    0x3c(%rsp),%esi
  add    %esi,0x38(%rsp)
L89:
  mov    0x4(%rsp),%ecx
  cmp    %ecx,0x4c(%rsp)
  jbe    L79
L333:
  mov    0xa4(%rsp),%r11d
  add    0x38(%rsp),%r11d
L148:
  mov    0xa0(%rsp),%ebx
  cmp    %ebx,0x20(%rsp)
  jae    L54
L30:
  add    $0xc8,%rsp
  mov    %r11d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L82:
  cmpl   $0x1,0x10(%rsp)
  adc    $0x0,%r14d
  jmp    L24
L237:
  cmpl   $0x1,0x18(%rsp)
  adcl   $0x0,0x44(%rsp)
  jmp    L347
  cs nopw 0x0(%rax,%rax,1)
L160:
  cmpl   $0x1,0x30(%rsp)
  adc    $0x0,%r8d
  jmp    L228
L43:
  cmpl   $0x1,0x70(%rsp)
  adcl   $0x0,0x40(%rsp)
  jmp    L307
L280:
  cmpl   $0x1,0x60(%rsp)
  adcl   $0x0,0x3c(%rsp)
  jmp    L306
L145:
  cmpl   $0x1,0x28(%rsp)
  adc    $0x0,%r15d
  jmp    L281
L272:
  cmpl   $0x1,0x50(%rsp)
  mov    0x4(%rsp),%ecx
  adcl   $0x0,0x38(%rsp)
  cmp    %ecx,0x4c(%rsp)
  jbe    L79
  jmp    L333
L321:
  cmpl   $0x1,0x48(%rsp)
  adc    $0x0,%r11d
  jmp    L148
L126:
  mov    0x90(%rsp),%eax
  xor    %r11d,%r11d
  test   %eax,%eax
  sete   %r11b
  jmp    L30
L58:
  xor    %r11d,%r11d
  jmp    L30
```

assistant: ```c
unsigned numzero(int *ib, unsigned i, unsigned c, int z) {
  if (c == 0) {
    if (z == 0)
      return 1;
    else
      return 0;
  }
  if (i < c)
    return 0;
  return numzero(ib + 1, i - 1, c - 1, z + ib[0]) + numzero(ib + 1, i - 1, c, z);
}
```