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

```asm
<levenshtein>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbx
  sub    $0x78,%rsp
  mov    %rdi,-0x68(%rbp)
  mov    %rsi,-0x70(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  mov    %rsp,%rax
  mov    %rax,%rbx
  mov    -0x68(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %eax,-0x58(%rbp)
  mov    -0x70(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %eax,-0x54(%rbp)
  mov    -0x58(%rbp),%eax
  lea    0x1(%rax),%esi
  mov    -0x54(%rbp),%eax
  lea    0x1(%rax),%edi
  mov    %esi,%eax
  sub    $0x1,%rax
  mov    %rax,-0x50(%rbp)
  mov    %esi,%eax
  mov    %rax,-0xa0(%rbp)
  movq   $0x0,-0x98(%rbp)
  mov    %esi,%eax
  lea    0x0(,%rax,4),%rcx
  mov    %edi,%eax
  sub    $0x1,%rax
  mov    %rax,-0x48(%rbp)
  mov    %esi,%eax
  mov    %rax,-0x90(%rbp)
  movq   $0x0,-0x88(%rbp)
  mov    %edi,%eax
  mov    %rax,-0x80(%rbp)
  movq   $0x0,-0x78(%rbp)
  mov    -0x90(%rbp),%r9
  mov    -0x88(%rbp),%r10
  mov    %r10,%rdx
  imul   -0x80(%rbp),%rdx
  mov    -0x78(%rbp),%rax
  imul   %r9,%rax
  lea    (%rdx,%rax,1),%r8
  mov    %r9,%rax
  mulq   -0x80(%rbp)
  add    %rdx,%r8
  mov    %r8,%rdx
  mov    %esi,%eax
  mov    %rax,%r14
  mov    $0x0,%r15d
  mov    %edi,%eax
  mov    %rax,%r12
  mov    $0x0,%r13d
  mov    %r15,%rdx
  imul   %r12,%rdx
  mov    %r13,%rax
  imul   %r14,%rax
  lea    (%rdx,%rax,1),%r8
  mov    %r14,%rax
  mul    %r12
  add    %rdx,%r8
  mov    %r8,%rdx
  mov    %esi,%edx
  mov    %edi,%eax
  imul   %rdx,%rax
  lea    0x0(,%rax,4),%rdx
  mov    $0x10,%eax
  sub    $0x1,%rax
  add    %rdx,%rax
  mov    $0x10,%edi
  mov    $0x0,%edx
  div    %rdi
  imul   $0x10,%rax,%rax
  mov    %rax,%rsi
  and    $0xfffffffffffff000,%rsi
  mov    %rsp,%rdx
  sub    %rsi,%rdx
L56:
  cmp    %rdx,%rsp
  je     L40
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L56
L40:
  mov    %rax,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  mov    %rax,%rdx
  and    $0xfff,%edx
  test   %rdx,%rdx
  je     L111
  and    $0xfff,%eax
  sub    $0x8,%rax
  add    %rsp,%rax
  orq    $0x0,(%rax)
L111:
  mov    %rsp,%rax
  add    $0x3,%rax
  shr    $0x2,%rax
  shl    $0x2,%rax
  mov    %rax,-0x40(%rbp)
  mov    -0x40(%rbp),%rax
  movl   $0x0,(%rax)
  movl   $0x1,-0x60(%rbp)
  jmp    L58
L117:
  mov    %rcx,%rdx
  shr    $0x2,%rdx
  mov    -0x60(%rbp),%eax
  lea    -0x1(%rax),%esi
  mov    -0x40(%rbp),%rax
  mov    %esi,%esi
  imul   %rsi,%rdx
  mov    (%rax,%rdx,4),%eax
  mov    %rcx,%rdi
  shr    $0x2,%rdi
  lea    0x1(%rax),%esi
  mov    -0x40(%rbp),%rax
  mov    -0x60(%rbp),%edx
  imul   %rdi,%rdx
  mov    %esi,(%rax,%rdx,4)
  addl   $0x1,-0x60(%rbp)
L58:
  mov    -0x60(%rbp),%eax
  cmp    -0x54(%rbp),%eax
  jbe    L117
  movl   $0x1,-0x5c(%rbp)
  jmp    L105
L36:
  mov    -0x5c(%rbp),%eax
  lea    -0x1(%rax),%edx
  mov    -0x40(%rbp),%rax
  mov    %edx,%edx
  mov    (%rax,%rdx,4),%eax
  lea    0x1(%rax),%esi
  mov    -0x40(%rbp),%rax
  mov    -0x5c(%rbp),%edx
  mov    %esi,(%rax,%rdx,4)
  addl   $0x1,-0x5c(%rbp)
L105:
  mov    -0x5c(%rbp),%eax
  cmp    -0x58(%rbp),%eax
  jbe    L36
  movl   $0x1,-0x60(%rbp)
  jmp    L31
L121:
  movl   $0x1,-0x5c(%rbp)
  jmp    L11
L95:
  mov    %rcx,%rdx
  shr    $0x2,%rdx
  mov    -0x60(%rbp),%eax
  lea    -0x1(%rax),%edi
  mov    -0x40(%rbp),%rax
  mov    -0x5c(%rbp),%esi
  mov    %edi,%edi
  imul   %rdi,%rdx
  add    %rsi,%rdx
  mov    (%rax,%rdx,4),%eax
  lea    0x1(%rax),%esi
  mov    %rcx,%rdi
  shr    $0x2,%rdi
  mov    -0x5c(%rbp),%eax
  lea    -0x1(%rax),%edx
  mov    -0x40(%rbp),%rax
  mov    %edx,%r8d
  mov    -0x60(%rbp),%edx
  imul   %rdi,%rdx
  add    %r8,%rdx
  mov    (%rax,%rdx,4),%eax
  add    $0x1,%eax
  cmp    %eax,%esi
  jae    L84
  mov    %rcx,%rdx
  shr    $0x2,%rdx
  mov    -0x60(%rbp),%eax
  lea    -0x1(%rax),%esi
  mov    -0x5c(%rbp),%eax
  lea    -0x1(%rax),%edi
  mov    -0x40(%rbp),%rax
  mov    %edi,%edi
  mov    %esi,%esi
  imul   %rsi,%rdx
  add    %rdi,%rdx
  mov    (%rax,%rdx,4),%esi
  mov    -0x5c(%rbp),%eax
  sub    $0x1,%eax
  mov    %eax,%edx
  mov    -0x68(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%edx
  mov    -0x60(%rbp),%eax
  sub    $0x1,%eax
  mov    %eax,%edi
  mov    -0x70(%rbp),%rax
  add    %rdi,%rax
  movzbl (%rax),%eax
  cmp    %al,%dl
  setne  %al
  movzbl %al,%eax
  lea    (%rsi,%rax,1),%edx
  mov    %rcx,%rsi
  shr    $0x2,%rsi
  mov    -0x60(%rbp),%eax
  lea    -0x1(%rax),%r8d
  mov    -0x40(%rbp),%rax
  mov    -0x5c(%rbp),%edi
  mov    %r8d,%r8d
  imul   %r8,%rsi
  add    %rdi,%rsi
  mov    (%rax,%rsi,4),%eax
  add    $0x1,%eax
  cmp    %eax,%edx
  cmovbe %edx,%eax
  jmp    L43
L84:
  mov    %rcx,%rdx
  shr    $0x2,%rdx
  mov    -0x60(%rbp),%eax
  lea    -0x1(%rax),%esi
  mov    -0x5c(%rbp),%eax
  lea    -0x1(%rax),%edi
  mov    -0x40(%rbp),%rax
  mov    %edi,%edi
  mov    %esi,%esi
  imul   %rsi,%rdx
  add    %rdi,%rdx
  mov    (%rax,%rdx,4),%esi
  mov    -0x5c(%rbp),%eax
  sub    $0x1,%eax
  mov    %eax,%edx
  mov    -0x68(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%edx
  mov    -0x60(%rbp),%eax
  sub    $0x1,%eax
  mov    %eax,%edi
  mov    -0x70(%rbp),%rax
  add    %rdi,%rax
  movzbl (%rax),%eax
  cmp    %al,%dl
  setne  %al
  movzbl %al,%eax
  lea    (%rsi,%rax,1),%edx
  mov    %rcx,%rdi
  shr    $0x2,%rdi
  mov    -0x5c(%rbp),%eax
  lea    -0x1(%rax),%esi
  mov    -0x40(%rbp),%rax
  mov    %esi,%r8d
  mov    -0x60(%rbp),%esi
  imul   %rdi,%rsi
  add    %r8,%rsi
  mov    (%rax,%rsi,4),%eax
  add    $0x1,%eax
  cmp    %eax,%edx
  cmovbe %edx,%eax
L43:
  mov    %rcx,%rdi
  shr    $0x2,%rdi
  mov    -0x40(%rbp),%rdx
  mov    -0x5c(%rbp),%r8d
  mov    -0x60(%rbp),%esi
  imul   %rdi,%rsi
  add    %r8,%rsi
  mov    %eax,(%rdx,%rsi,4)
  addl   $0x1,-0x5c(%rbp)
L11:
  mov    -0x5c(%rbp),%eax
  cmp    -0x58(%rbp),%eax
  jbe    L95
  addl   $0x1,-0x60(%rbp)
L31:
  mov    -0x60(%rbp),%eax
  cmp    -0x54(%rbp),%eax
  jbe    L121
  shr    $0x2,%rcx
  mov    -0x40(%rbp),%rax
  mov    -0x58(%rbp),%esi
  mov    -0x54(%rbp),%edx
  imul   %rcx,%rdx
  add    %rsi,%rdx
  mov    (%rax,%rdx,4),%eax
  mov    %rbx,%rsp
  mov    -0x38(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L23
  call   <__stack_chk_fail@plt>
L23:
  lea    -0x28(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
```

assistant: ```c
int levenshtein(char *s1, char *s2) {
  unsigned int x, y, s1len, s2len;
  s1len = strlen(s1);
  s2len = strlen(s2);
  unsigned int matrix[s2len + 1][s1len + 1];
  matrix[0][0] = 0;
  for (x = 1; x <= s2len; x++)
    matrix[x][0] = matrix[x - 1][0] + 1;
  for (y = 1; y <= s1len; y++)
    matrix[0][y] = matrix[0][y - 1] + 1;
  for (x = 1; x <= s2len; x++)
    for (y = 1; y <= s1len; y++)
      matrix[x][y] = ((matrix[x - 1][y] + 1) < (matrix[x][y - 1] + 1) ? ((matrix[x - 1][y] + 1) < (matrix[x - 1][y - 1] + (s1[y - 1] == s2[x - 1] ? 0 : 1)) ? (matrix[x - 1][y] + 1) : (matrix[x - 1][y - 1] + (s1[y - 1] == s2[x - 1] ? 0 : 1))) : ((matrix[x][y - 1] + 1) < (matrix[x - 1][y - 1] + (s1[y - 1] == s2[x - 1] ? 0 : 1)) ? (matrix[x][y - 1] + 1) : (matrix[x - 1][y - 1] + (s1[y - 1] == s2[x - 1] ? 0 : 1))));
  return (matrix[s2len][s1len]);
}
```