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

```asm
<poMurmurHash>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x28(%rbp)
  mov    %esi,-0x2c(%rbp)
  mov    %edx,-0x30(%rbp)
  mov    -0x2c(%rbp),%eax
  lea    0x3(%rax),%edx
  test   %eax,%eax
  cmovs  %edx,%eax
  sar    $0x2,%eax
  mov    %eax,-0x10(%rbp)
  movl   $0x0,-0x18(%rbp)
  jmp    L0
L1:
  mov    -0x18(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  mov    %eax,-0xc(%rbp)
  mov    -0xc(%rbp),%eax
  imul   $0xcc9e2d51,%eax,%eax
  mov    %eax,-0xc(%rbp)
  mov    -0xc(%rbp),%eax
  shl    $0xf,%eax
  mov    %eax,%edx
  mov    -0xc(%rbp),%eax
  sar    $0x11,%eax
  or     %edx,%eax
  mov    %eax,-0xc(%rbp)
  mov    -0xc(%rbp),%eax
  imul   $0x1b873593,%eax,%eax
  mov    %eax,-0xc(%rbp)
  mov    -0xc(%rbp),%eax
  xor    %eax,-0x30(%rbp)
  mov    -0x30(%rbp),%eax
  shl    $0xd,%eax
  mov    %eax,%edx
  mov    -0x30(%rbp),%eax
  sar    $0x13,%eax
  or     %eax,%edx
  mov    %edx,%eax
  shl    $0x2,%eax
  add    %edx,%eax
  sub    $0x19ab949c,%eax
  mov    %eax,-0x30(%rbp)
  addl   $0x1,-0x18(%rbp)
L0:
  mov    -0x18(%rbp),%eax
  cmp    -0x10(%rbp),%eax
  jl     L1
  mov    -0x10(%rbp),%eax
  shl    $0x2,%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x8(%rbp)
  movl   $0x0,-0x14(%rbp)
  mov    -0x2c(%rbp),%eax
  and    $0x3,%eax
  cmp    $0x3,%eax
  je     L22
  cmp    $0x3,%eax
  jg     L68
  cmp    $0x1,%eax
  je     L30
  cmp    $0x2,%eax
  je     L56
  jmp    L68
L22:
  mov    -0x8(%rbp),%rax
  add    $0x8,%rax
  mov    (%rax),%eax
  shl    $0x10,%eax
  xor    %eax,-0x14(%rbp)
L56:
  mov    -0x8(%rbp),%rax
  add    $0x4,%rax
  mov    (%rax),%eax
  shl    $0x8,%eax
  xor    %eax,-0x14(%rbp)
L30:
  mov    -0x8(%rbp),%rax
  mov    (%rax),%eax
  xor    %eax,-0x14(%rbp)
  mov    -0x14(%rbp),%eax
  imul   $0xcc9e2d51,%eax,%eax
  mov    %eax,-0x14(%rbp)
  mov    -0x14(%rbp),%eax
  shl    $0xf,%eax
  mov    %eax,%edx
  mov    -0x14(%rbp),%eax
  sar    $0x11,%eax
  or     %edx,%eax
  mov    %eax,-0x14(%rbp)
  mov    -0x14(%rbp),%eax
  imul   $0x1b873593,%eax,%eax
  mov    %eax,-0x14(%rbp)
  mov    -0x14(%rbp),%eax
  xor    %eax,-0x30(%rbp)
L68:
  mov    -0x2c(%rbp),%eax
  xor    %eax,-0x30(%rbp)
  mov    -0x30(%rbp),%eax
  sar    $0x10,%eax
  xor    %eax,-0x30(%rbp)
  mov    -0x30(%rbp),%eax
  imul   $0x85ebca6b,%eax,%eax
  mov    %eax,-0x30(%rbp)
  mov    -0x30(%rbp),%eax
  sar    $0xd,%eax
  xor    %eax,-0x30(%rbp)
  mov    -0x30(%rbp),%eax
  imul   $0xc2b2ae35,%eax,%eax
  mov    %eax,-0x30(%rbp)
  mov    -0x30(%rbp),%eax
  sar    $0x10,%eax
  xor    %eax,-0x30(%rbp)
  mov    -0x30(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
uint32_t poMurmurHash(const void *key, uint32_t len, uint32_t hash) {
  const int nblocks = len / 4;
  int i;
  for (i = 0; i < nblocks; i++) {
    uint32_t k = ((const uint32_t *)key)[i];
    k *= 0xcc9e2d51;
    k = (k << 15) | (k >> (32 - 15));
    k *= 0x1b873593;
    hash ^= k;
    hash = ((hash << 13) | (hash >> (32 - 13))) * 5 + 0xe6546b64;
  }
  const uint8_t *tail = (const uint8_t *)(((uint8_t *)key) + nblocks * 4);
  uint32_t k1 = 0;
  switch (len & 3) {
  case 3:
    k1 ^= tail[2] << 16;
  case 2:
    k1 ^= tail[1] << 8;
  case 1:
    k1 ^= tail[0];
    k1 *= 0xcc9e2d51;
    k1 = (k1 << 15) | (k1 >> (32 - 15));
    k1 *= 0x1b873593;
    hash ^= k1;
  }
  hash ^= len;
  hash ^= (hash >> 16);
  hash *= 0x85ebca6b;
  hash ^= (hash >> 13);
  hash *= 0xc2b2ae35;
  hash ^= (hash >> 16);
  return hash;
}
```