user: Demonstrate the C code that generates the assembly output below:

```asm
<levenshtein>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x38(%rbp)
  mov    %rsi,-0x40(%rbp)
  mov    -0x38(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %rax,-0x18(%rbp)
  mov    -0x40(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %rax,-0x10(%rbp)
  mov    -0x10(%rbp),%rax
  add    $0x1,%rax
  mov    $0x4,%esi
  mov    %rax,%rdi
  call   <calloc@plt>
  mov    %rax,-0x8(%rbp)
  jmp    L196
L190:
  addq   $0x1,-0x38(%rbp)
  addq   $0x1,-0x40(%rbp)
  subq   $0x1,-0x18(%rbp)
  subq   $0x1,-0x10(%rbp)
L196:
  cmpq   $0x0,-0x18(%rbp)
  je     L81
  cmpq   $0x0,-0x10(%rbp)
  je     L81
  mov    -0x38(%rbp),%rax
  movzbl (%rax),%edx
  mov    -0x40(%rbp),%rax
  movzbl (%rax),%eax
  cmp    %al,%dl
  je     L190
L81:
  cmpq   $0x0,-0x18(%rbp)
  jne    L33
  mov    -0x10(%rbp),%rax
  jmp    L110
L33:
  cmpq   $0x0,-0x10(%rbp)
  jne    L59
  mov    -0x18(%rbp),%rax
  jmp    L110
L59:
  movl   $0x0,-0x28(%rbp)
  jmp    L29
L104:
  mov    -0x28(%rbp),%eax
  lea    0x0(,%rax,4),%rdx
  mov    -0x8(%rbp),%rax
  add    %rax,%rdx
  mov    -0x28(%rbp),%eax
  mov    %eax,(%rdx)
  addl   $0x1,-0x28(%rbp)
L29:
  mov    -0x28(%rbp),%eax
  mov    -0x10(%rbp),%rdx
  add    $0x1,%rdx
  cmp    %rdx,%rax
  jb     L104
  movl   $0x0,-0x2c(%rbp)
  jmp    L187
L82:
  mov    -0x2c(%rbp),%eax
  add    $0x1,%eax
  mov    %eax,-0x24(%rbp)
  movl   $0x0,-0x28(%rbp)
  jmp    L178
L169:
  mov    -0x2c(%rbp),%edx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%edx
  mov    -0x28(%rbp),%ecx
  mov    -0x40(%rbp),%rax
  add    %rcx,%rax
  movzbl (%rax),%eax
  cmp    %al,%dl
  je     L46
  cmpl   $0x0,-0x2c(%rbp)
  je     L80
  cmpl   $0x0,-0x28(%rbp)
  je     L80
  mov    -0x2c(%rbp),%eax
  sub    $0x1,%eax
  mov    %eax,%edx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%edx
  mov    -0x28(%rbp),%ecx
  mov    -0x40(%rbp),%rax
  add    %rcx,%rax
  movzbl (%rax),%eax
  cmp    %al,%dl
  jne    L80
  mov    -0x2c(%rbp),%edx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%edx
  mov    -0x28(%rbp),%eax
  sub    $0x1,%eax
  mov    %eax,%ecx
  mov    -0x40(%rbp),%rax
  add    %rcx,%rax
  movzbl (%rax),%eax
  cmp    %al,%dl
  je     L46
L80:
  mov    $0x1,%eax
  jmp    L128
L46:
  mov    $0x0,%eax
L128:
  mov    %eax,-0x1c(%rbp)
  mov    -0x28(%rbp),%eax
  lea    0x0(,%rax,4),%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%edx
  mov    -0x1c(%rbp),%eax
  add    %eax,%edx
  mov    -0x24(%rbp),%eax
  lea    0x1(%rax),%ecx
  mov    -0x28(%rbp),%eax
  add    $0x1,%eax
  mov    %eax,%eax
  lea    0x0(,%rax,4),%rsi
  mov    -0x8(%rbp),%rax
  add    %rsi,%rax
  mov    (%rax),%eax
  add    $0x1,%eax
  cmp    %eax,%ecx
  cmovbe %ecx,%eax
  cmp    %eax,%edx
  cmovbe %edx,%eax
  mov    %eax,-0x20(%rbp)
  mov    -0x28(%rbp),%eax
  lea    0x0(,%rax,4),%rdx
  mov    -0x8(%rbp),%rax
  add    %rax,%rdx
  mov    -0x24(%rbp),%eax
  mov    %eax,(%rdx)
  mov    -0x20(%rbp),%eax
  mov    %eax,-0x24(%rbp)
  addl   $0x1,-0x28(%rbp)
L178:
  mov    -0x28(%rbp),%eax
  cmp    %rax,-0x10(%rbp)
  ja     L169
  mov    -0x10(%rbp),%rax
  lea    0x0(,%rax,4),%rdx
  mov    -0x8(%rbp),%rax
  add    %rax,%rdx
  mov    -0x20(%rbp),%eax
  mov    %eax,(%rdx)
  addl   $0x1,-0x2c(%rbp)
L187:
  mov    -0x2c(%rbp),%eax
  cmp    %rax,-0x18(%rbp)
  ja     L82
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    -0x20(%rbp),%eax
L110:
  leave
  ret
```

assistant: ```c
int levenshtein(const char *str1, const char *str2) {
  size_t len1 = strlen(str1), len2 = strlen(str2);
  unsigned int *v = calloc(len2 + 1, sizeof(unsigned int));
  unsigned int i, j, current, next, cost;
  while (len1 > 0 && len2 > 0 && ((str1[0]) == (str2[0])))
    str1++, str2++, len1--, len2--;
  if (!len1)
    return (len2);
  if (!len2)
    return (len1);
  for (j = 0; j < len2 + 1; j++)
    v[j] = j;
  for (i = 0; i < len1; i++) {
    current = i + 1;
    for (j = 0; j < len2; j++) {
      cost = !(((str1[i]) == (str2[j])) || (i && j && ((str1[i - 1]) == (str2[j])) && ((str1[i]) == (str2[j - 1]))));
      next = ((((v[j + 1] + 1) < (current + 1) ? (v[j + 1] + 1) : (current + 1))) < (v[j] + cost) ? (((v[j + 1] + 1) < (current + 1) ? (v[j + 1] + 1) : (current + 1))) : (v[j] + cost));
      v[j] = current;
      current = next;
    }
    v[len2] = next;
  }
  free(v);
  return (next);
}
```