user: What would the C source look like for the assembly code provided here?

```asm
<levenshtein>:
  endbr64
  push   %r15
  mov    %ecx,%r15d
  push   %r14
  mov    %r8d,%r14d
  push   %r13
  mov    %r9d,%r13d
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x38,%rsp
  mov    %edx,0x1c(%rsp)
  mov    %rdi,0x28(%rsp)
  call   <strlen@plt>
  mov    %rbx,%rdi
  mov    %eax,0x24(%rsp)
  call   <strlen@plt>
  lea    0x1(%rax),%ecx
  mov    %eax,0x8(%rsp)
  lea    0x0(,%rcx,4),%ebp
  mov    %ecx,0x20(%rsp)
  mov    %ebp,%edi
  call   <malloc@plt>
  mov    %ebp,%edi
  mov    %rax,0x10(%rsp)
  call   <malloc@plt>
  mov    %ebp,%edi
  mov    %rax,%r12
  call   <malloc@plt>
  mov    0x8(%rsp),%ecx
  mov    0x10(%rsp),%r8
  mov    0x24(%rsp),%edx
  mov    0x28(%rsp),%r10
  mov    %rax,%rbp
  test   %ecx,%ecx
  mov    0x20(%rsp),%ecx
  js     L43
  cmpl   $0x2,0x8(%rsp)
  jle    L177
  mov    %ecx,%esi
  movd   %r14d,%xmm6
  mov    %r12,%rax
  movdqa D17(%rip),%xmm2
  shr    $0x2,%esi
  pshufd $0x0,%xmm6,%xmm3
  movdqa D5(%rip),%xmm5
  sub    $0x1,%esi
  movdqa %xmm3,%xmm4
  shl    $0x4,%rsi
  psrlq  $0x20,%xmm4
  lea    0x10(%r12,%rsi,1),%rsi
  nopw   0x0(%rax,%rax,1)
L47:
  movdqa %xmm2,%xmm0
  movdqa %xmm3,%xmm1
  paddd  %xmm5,%xmm2
  add    $0x10,%rax
  pmuludq %xmm0,%xmm1
  psrlq  $0x20,%xmm0
  pmuludq %xmm4,%xmm0
  pshufd $0x8,%xmm1,%xmm1
  pshufd $0x8,%xmm0,%xmm0
  punpckldq %xmm0,%xmm1
  movups %xmm1,-0x10(%rax)
  cmp    %rsi,%rax
  jne    L47
  mov    %ecx,%esi
  and    $0xfffffffc,%esi
  and    $0x3,%ecx
  je     L43
L170:
  mov    %r14d,%eax
  movslq %esi,%rdi
  mov    0x8(%rsp),%r9d
  imul   %esi,%eax
  lea    0x0(,%rdi,4),%rcx
  mov    %eax,(%r12,%rdi,4)
  lea    0x1(%rsi),%edi
  cmp    %edi,%r9d
  jl     L43
  add    %r14d,%eax
  add    $0x2,%esi
  mov    %eax,0x4(%r12,%rcx,1)
  cmp    %r9d,%esi
  jg     L43
  add    %r14d,%eax
  mov    %eax,0x8(%r12,%rcx,1)
L43:
  test   %edx,%edx
  jle    L54
  movslq %edx,%rax
  movslq 0x8(%rsp),%rsi
  mov    %r10,%rcx
  xor    %r9d,%r9d
  mov    %rax,0x10(%rsp)
  mov    %r13d,%r10d
  cs nopw 0x0(%rax,%rax,1)
L51:
  mov    0x8(%rsp),%edx
  test   %r9d,%r9d
  mov    %r10d,0x0(%rbp)
  setg   %dil
  xor    %eax,%eax
  test   %edx,%edx
  jg     L143
  jmp    L72
  nopw   0x0(%rax,%rax,1)
L185:
  mov    0x4(%r12,%rax,4),%r11d
  add    %r13d,%r11d
  cmp    %edx,%r11d
  cmovle %r11d,%edx
  mov    0x0(%rbp,%rax,4),%r11d
  add    %r14d,%r11d
  cmp    %r11d,%edx
  cmovg  %r11d,%edx
  mov    %edx,0x4(%rbp,%rax,4)
  add    $0x1,%rax
  cmp    %rax,%rsi
  je     L72
L143:
  movzbl (%rbx,%rax,1),%edx
  cmp    %dl,(%rcx)
  setne  %dl
  movzbl %dl,%edx
  imul   %r15d,%edx
  add    (%r12,%rax,4),%edx
  mov    %edx,0x4(%rbp,%rax,4)
  test   %eax,%eax
  jle    L185
  test   %dil,%dil
  je     L185
  movzbl (%rbx,%rax,1),%r11d
  cmp    %r11b,-0x1(%rcx)
  jne    L185
  movzbl -0x1(%rbx,%rax,1),%r11d
  cmp    %r11b,(%rcx)
  jne    L185
  mov    0x1c(%rsp),%r11d
  add    -0x4(%r8,%rax,4),%r11d
  cmp    %r11d,%edx
  jle    L185
  mov    %r11d,0x4(%rbp,%rax,4)
  mov    %r11d,%edx
  jmp    L185
  nopl   0x0(%rax,%rax,1)
L72:
  add    $0x1,%r9
  add    %r13d,%r10d
  add    $0x1,%rcx
  cmp    %r9,0x10(%rsp)
  je     L100
  mov    %r8,%rax
  mov    %r12,%r8
  mov    %rbp,%r12
  mov    %rax,%rbp
  jmp    L51
L54:
  mov    %r12,%rax
  movslq 0x8(%rsp),%rsi
  mov    %r8,%r12
  mov    %rbp,%r8
  mov    %rax,%rbp
L100:
  mov    %r12,%rdi
  mov    0x0(%rbp,%rsi,4),%r13d
  mov    %r8,0x8(%rsp)
  call   <free@plt>
  mov    %rbp,%rdi
  call   <free@plt>
  mov    0x8(%rsp),%rdi
  call   <free@plt>
  add    $0x38,%rsp
  mov    %r13d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L177:
  xor    %esi,%esi
  jmp    L170
```

tool_calls: name: parse_data
arguments: tag: D17
type: byte[16]
name: parse_data
arguments: tag: D5
type: byte[16]

tool: {"D17": [0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x02,0x00,0x00,0x00,0x03,0x00,0x00,0x00]}

tool: {"D5": [0x04,0x00,0x00,0x00,0x04,0x00,0x00,0x00,0x04,0x00,0x00,0x00,0x04,0x00,0x00,0x00]}

assistant: ```c
int levenshtein(const char *string1, const char *string2, int w, int s, int a, int d) {
  int len1 = strlen(string1), len2 = strlen(string2);
  int *row0 = malloc(sizeof(int) * (len2 + 1));
  int *row1 = malloc(sizeof(int) * (len2 + 1));
  int *row2 = malloc(sizeof(int) * (len2 + 1));
  int i, j;
  for (j = 0; j <= len2; j++) {
    row1[j] = j * a;
  }
  for (i = 0; i < len1; i++) {
    int *dummy;
    row2[0] = (i + 1) * d;
    for (j = 0; j < len2; j++) {
      row2[j + 1] = row1[j] + s * (string1[i] != string2[j]);
      if (i > 0 && j > 0 && string1[i - 1] == string2[j] && string1[i] == string2[j - 1] && row2[j + 1] > row0[j - 1] + w) {
        row2[j + 1] = row0[j - 1] + w;
      }
      if (row2[j + 1] > row1[j + 1] + d) {
        row2[j + 1] = row1[j + 1] + d;
      }
      if (row2[j + 1] > row2[j] + a) {
        row2[j + 1] = row2[j] + a;
      }
    }
    dummy = row0;
    row0 = row1;
    row1 = row2;
    row2 = dummy;
  }
  i = row1[len2];
  free(row0);
  free(row1);
  free(row2);
  return i;
}
```