user: Translate the below assembly code into C programming language:

```asm
<damerau_levenshtein_distance>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x48,%rsp
  mov    %rdi,%r13
  mov    %rsi,%rbp
  mov    %rdx,%r14
  mov    %rdx,0x30(%rsp)
  mov    %rcx,%r15
  lea    (%rdx,%rcx,1),%r12
  lea    0x2(%rcx),%rax
  mov    %rax,0x10(%rsp)
  mov    $0x8,%esi
  mov    $0x100,%edi
  call   <calloc@plt>
  test   %rax,%rax
  je     L45
  mov    %rax,%rbx
  mov    0x10(%rsp),%rax
  shl    $0x3,%rax
  mov    %rax,0x18(%rsp)
  lea    0x2(%r14),%rdi
  imul   %rax,%rdi
  call   <malloc@plt>
  mov    %rax,%r14
  test   %rax,%rax
  je     L14
  mov    %r12,(%rax)
  mov    0x18(%rsp),%rax
  lea    (%r14,%rax,1),%rdx
  mov    $0x0,%eax
  mov    0x30(%rsp),%rsi
L101:
  mov    %rax,%rcx
  add    $0x1,%rax
  mov    %r12,(%rdx)
  mov    %rcx,0x8(%rdx)
  add    0x18(%rsp),%rdx
  cmp    %rsi,%rax
  jbe    L101
  lea    0x1(%r15),%rax
  mov    %rax,0x38(%rsp)
  mov    0x18(%rsp),%rax
  lea    -0x10(%r14,%rax,1),%rcx
  mov    $0x0,%eax
L91:
  mov    %rax,%rdx
  add    $0x1,%rax
  mov    %r12,(%r14,%rax,8)
  mov    %rdx,0x10(%rcx,%rax,8)
  cmp    %rdx,%r15
  jne    L91
  mov    0x30(%rsp),%rax
  test   %rax,%rax
  je     L2
  mov    0x18(%rsp),%rsi
  lea    (%r14,%rsi,1),%r12
  mov    0x10(%rsp),%r11
  shl    $0x4,%r11
  add    %r14,%r11
  add    %r13,%rax
  mov    %rax,0x20(%rsp)
  mov    %r13,%r10
  mov    $0x1,%eax
  sub    %r13,%rax
  mov    %rax,0x28(%rsp)
  jmp    L96
L14:
  mov    %rbx,%rdi
  call   <free@plt>
  mov    $0xffffffff,%eax
  jmp    L9
L88:
  mov    %r13,%rdi
L24:
  mov    %rsi,%rdx
  add    $0x1,%rsi
  movzbl 0x0(%rbp,%rdx,1),%eax
  movsbq %al,%rcx
  mov    (%rbx,%rcx,8),%r9
  cmp    (%r10),%al
  mov    %rsi,%r13
  cmovne %rdi,%r13
  setne  %cl
  movzbl %cl,%ecx
  mov    0x10(%rsp),%r8
  imul   %r9,%r8
  add    %rdi,%r8
  mov    0x8(%rsp),%rax
  add    %rdx,%rax
  sub    %rdi,%rax
  sub    %r9,%rax
  add    (%r14,%r8,8),%rax
  mov    0x8(%r11,%rdx,8),%rdi
  add    $0x1,%rdi
  mov    0x10(%r12,%rdx,8),%r9
  lea    0x1(%r9),%r8
  cmp    %r8,%rdi
  cmova  %r8,%rdi
  cmp    %rdi,%rax
  cmovbe %rax,%rdi
  movzwl %cx,%ecx
  add    0x8(%r12,%rdx,8),%rcx
  cmp    %rcx,%rdi
  cmova  %rcx,%rdi
  mov    %rdi,0x10(%r11,%rdx,8)
  cmp    %r15,%rsi
  jne    L88
L73:
  movsbq (%r10),%rax
  mov    0x8(%rsp),%rsi
  mov    %rsi,(%rbx,%rax,8)
  add    $0x1,%r10
  mov    0x18(%rsp),%rax
  add    %rax,%r12
  add    %rax,%r11
  cmp    0x20(%rsp),%r10
  je     L2
L96:
  mov    0x28(%rsp),%rax
  add    %r10,%rax
  mov    %rax,0x8(%rsp)
  mov    $0x0,%esi
  mov    $0x0,%edi
  test   %r15,%r15
  jne    L24
  jmp    L73
L2:
  mov    0x30(%rsp),%rax
  add    $0x1,%rax
  imul   0x10(%rsp),%rax
  add    0x38(%rsp),%rax
  mov    (%r14,%rax,8),%rbp
  mov    %r14,%rdi
  call   <free@plt>
  mov    %rbx,%rdi
  call   <free@plt>
  mov    %ebp,%eax
L9:
  add    $0x48,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L45:
  mov    $0xffffffff,%eax
  jmp    L9
```

assistant: ```c
int damerau_levenshtein_distance(const char *s1, const char *s2, size_t len1, size_t len2) {
  size_t infinite = len1 + len2;
  size_t cols = len2 + 2;
  size_t i, j, i1, j1;
  size_t db;
  size_t d1, d2, d3, d4, result;
  unsigned short cost;
  size_t *da = calloc(256, sizeof(size_t));
  if (!da) {
    return -1;
  }
  size_t *dist = malloc((len1 + 2) * cols * sizeof(size_t));
  if (!dist) {
    free(da);
    return -1;
  }
  dist[0] = infinite;
  for (i = 0; i <= len1; i++) {
    dist[((i + 1) * cols) + 0] = infinite;
    dist[((i + 1) * cols) + 1] = i;
  }
  for (i = 0; i <= len2; i++) {
    dist[i + 1] = infinite;
    dist[cols + i + 1] = i;
  }
  for (i = 1; i <= len1; i++) {
    db = 0;
    for (j = 1; j <= len2; j++) {
      i1 = da[(size_t)s2[j - 1]];
      j1 = db;
      if (s1[i - 1] == s2[j - 1]) {
        cost = 0;
        db = j;
      } else {
        cost = 1;
      }
      d1 = dist[(i * cols) + j] + cost;
      d2 = dist[((i + 1) * cols) + j] + 1;
      d3 = dist[(i * cols) + j + 1] + 1;
      d4 = dist[(i1 * cols) + j1] + (i - i1 - 1) + 1 + (j - j1 - 1);
      dist[((i + 1) * cols) + j + 1] = ((((d1) < (d2) ? (d1) : (d2))) < (((d3) < (d4) ? (d3) : (d4))) ? (((d1) < (d2) ? (d1) : (d2))) : (((d3) < (d4) ? (d3) : (d4))));
    }
    da[(size_t)s1[i - 1]] = i;
  }
  result = dist[((len1 + 1) * cols) + len2 + 1];
  free(dist);
  free(da);
  return result;
}
```