user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<editdist>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x1b8,%rsp
  mov    %rdi,0x30(%rsp)
  mov    %rsi,0x28(%rsp)
  mov    %fs:0x28,%rax
  mov    %rax,0x1a8(%rsp)
  xor    %eax,%eax
  test   %rdi,%rdi
  je     L271
  test   %rsi,%rsi
  je     L271
  movzbl (%rdi),%eax
  xor    %ebp,%ebp
  test   %al,%al
  je     L337
  mov    0x30(%rsp),%rsi
  mov    0x28(%rsp),%rdx
  jmp    L318
  nopl   (%rax)
L28:
  add    $0x1,%rsi
  movsbl %al,%ebp
  add    $0x1,%rdx
  movzbl (%rsi),%eax
  test   %al,%al
  je     L33
L318:
  movzbl (%rdx),%ecx
  cmp    %al,%cl
  je     L28
  movzbl (%rsi),%ebx
  mov    %rsi,0x30(%rsp)
  mov    %rdx,0x28(%rsp)
  test   %bl,%bl
  je     L261
  mov    $0x1,%edx
  nopw   0x0(%rax,%rax,1)
L198:
  mov    %edx,%r8d
  mov    %rdx,%rdi
  add    $0x1,%rdx
  cmpb   $0x0,-0x1(%rsi,%rdx,1)
  jne    L198
  mov    %rdi,0x58(%rsp)
  mov    %r8d,0xc(%rsp)
  test   %cl,%cl
  je     L289
L331:
  mov    0x28(%rsp),%rcx
  mov    $0x1,%ebx
  nopl   (%rax)
L47:
  mov    %ebx,%edx
  lea    -0x1(%rbx),%edi
  add    $0x1,%rbx
  cmpb   $0x0,-0x1(%rcx,%rbx,1)
  jne    L47
  mov    0xc(%rsp),%ecx
  mov    %edx,0x54(%rsp)
  mov    %edi,0x50(%rsp)
  test   %ecx,%ecx
  je     L302
  cmp    $0x2a,%al
  je     L407
L424:
  lea    0x70(%rsp),%rax
  cmpl   $0x3b,0x54(%rsp)
  movq   $0x0,0x60(%rsp)
  mov    %rax,0x38(%rsp)
  jg     L192
L52:
  mov    0x38(%rsp),%r13
  mov    %bpl,0x26(%rsp)
  mov    %ebp,%r15d
  xor    %r12d,%r12d
  lea    0x0(,%rbx,4),%rax
  mov    %r13,%r14
  mov    %rax,0x68(%rsp)
  add    %rax,%r14
  movl   $0x0,0x0(%r13)
  mov    %r14,0x40(%rsp)
  mov    %bpl,(%r14)
  mov    0x28(%rsp),%rbp
  nopw   0x0(%rax,%rax,1)
L459:
  movsbl 0x0(%rbp,%r12,1),%esi
  movsbl %r15b,%edi
  mov    %sil,0x1(%r14,%r12,1)
  mov    0x0(%r13,%r12,4),%ebx
  mov    %esi,%r15d
  call   <insertOrDeleteCost@plt>
  add    %eax,%ebx
  mov    %ebx,0x4(%r13,%r12,4)
  add    $0x1,%r12
  cmp    %r12d,0x50(%rsp)
  jge    L459
  movq   $0x1,0x18(%rsp)
  mov    0x28(%rsp),%rax
  add    $0x1,%rax
  mov    %rax,0x48(%rsp)
  nopl   (%rax)
L90:
  mov    0x18(%rsp),%rax
  mov    0x30(%rsp),%rcx
  movsbl 0x26(%rsp),%edi
  movzbl -0x1(%rcx,%rax,1),%ecx
  mov    %eax,0x20(%rsp)
  cmp    $0x2a,%cl
  mov    %cl,0x26(%rsp)
  sete   0x27(%rsp)
  cmp    0xc(%rsp),%eax
  movzbl 0x27(%rsp),%edx
  sete   %al
  and    %dl,%al
  jne    L385
  mov    0x38(%rsp),%rbx
  movsbl %cl,%r15d
  mov    %r15d,%esi
  mov    (%rbx),%r14d
  mov    %r14d,0x4(%rsp)
  call   <insertOrDeleteCost@plt>
  mov    %r15d,(%rsp)
  mov    0x28(%rsp),%r13
  add    %r14d,%eax
  lea    0x4(%rbx),%r14
  mov    %eax,(%rbx)
  mov    0x40(%rsp),%rax
  lea    0x1(%rax),%r12
  mov    0x50(%rsp),%eax
  add    0x48(%rsp),%rax
  mov    %rax,0x10(%rsp)
  jmp    L314
  nopl   0x0(%rax)
L356:
  movsbl (%r12),%edi
  mov    (%rsp),%esi
  call   <insertOrDeleteCost@plt>
  mov    (%rsp),%esi
  movsbl -0x1(%r12),%edi
  mov    %r15d,%edx
  mov    %eax,0x8(%rsp)
  call   <substituteCost@plt>
  add    -0x4(%r14),%ebx
  mov    (%r14),%esi
  mov    %ebx,%edx
  mov    0x8(%rsp),%ebx
  add    %esi,%ebx
  cmp    %edx,%ebx
  jge    L1
  movzbl 0x26(%rsp),%ebp
  mov    %ebx,%edx
L1:
  add    0x4(%rsp),%eax
  cmp    %edx,%eax
  cmovg  %edx,%eax
  add    $0x1,%r13
  add    $0x1,%r12
  add    $0x4,%r14
  mov    %eax,-0x4(%r14)
  mov    %bpl,-0x1(%r12)
  cmp    0x10(%rsp),%r13
  je     L451
  mov    %esi,0x4(%rsp)
L314:
  movsbl 0x0(%r13),%r15d
  movsbl -0x1(%r12),%edi
  mov    %r15d,%esi
  mov    %r15d,%ebp
  call   <insertOrDeleteCost@plt>
  mov    0xc(%rsp),%ecx
  mov    %eax,%ebx
  cmp    %ecx,0x20(%rsp)
  jne    L356
  test   %ebx,%ebx
  lea    0x3(%rax),%eax
  cmovns %ebx,%eax
  sar    $0x2,%eax
  mov    %eax,%ebx
  jmp    L356
  nopl   (%rax)
L451:
  addq   $0x1,0x18(%rsp)
  mov    0x18(%rsp),%rax
  cmp    %eax,0xc(%rsp)
  jge    L90
L292:
  movslq 0xc(%rsp),%rcx
  cmp    %ecx,0x54(%rsp)
  jle    L68
  cmpb   $0x0,0x27(%rsp)
  je     L68
  mov    0x58(%rsp),%rax
  mov    0x38(%rsp),%rdi
  mov    0x50(%rsp),%ebx
  mov    (%rdi,%rax,4),%esi
  lea    0x1(%rcx),%eax
  cmp    %ebx,%ecx
  jg     L59
  cltq
  lea    (%rdi,%rax,4),%rdx
  mov    %ebx,%eax
  sub    %ecx,%eax
  add    %rcx,%rax
  lea    0x8(%rdi,%rax,4),%rcx
  mov    %esi,%eax
  nop
L202:
  mov    (%rdx),%esi
  cmp    %esi,%eax
  cmovg  %esi,%eax
  add    $0x4,%rdx
  cmp    %rdx,%rcx
  jne    L202
L158:
  mov    %eax,0xc(%rsp)
L84:
  mov    0x60(%rsp),%rdi
  call   <sqlite3_free@plt>
L96:
  mov    0x1a8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L167
  mov    0xc(%rsp),%eax
  add    $0x1b8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax,%rax,1)
L33:
  mov    %rsi,0x30(%rsp)
  mov    %rdx,0x28(%rsp)
  movl   $0x0,0xc(%rsp)
  cmpb   $0x0,(%rdx)
  je     L96
L36:
  movq   $0x0,0x58(%rsp)
  jmp    L331
  nopl   (%rax)
L302:
  mov    0x28(%rsp),%rax
  movzbl (%rax),%ebx
  test   %bl,%bl
  je     L96
  add    $0x1,%rax
  mov    0xc(%rsp),%r13d
  movsbl %bpl,%edi
  mov    %rax,%r12
  nopl   0x0(%rax)
L93:
  movsbl %bl,%esi
  call   <insertOrDeleteCost@plt>
  movsbl %bl,%edi
  mov    %eax,%edx
  lea    0x3(%rax),%eax
  test   %edx,%edx
  cmovns %edx,%eax
  movzbl (%r12),%ebx
  add    $0x1,%r12
  sar    $0x2,%eax
  add    %eax,%r13d
  test   %bl,%bl
  jne    L93
  mov    %r13d,0xc(%rsp)
  jmp    L96
L68:
  mov    0x38(%rsp),%rax
  mov    0x68(%rsp),%rcx
  mov    -0x4(%rax,%rcx,1),%eax
  jmp    L158
L289:
  mov    0x30(%rsp),%r12
  xor    %eax,%eax
  movsbl %bpl,%edi
  mov    %eax,%ebp
  add    $0x1,%r12
  xchg   %ax,%ax
L130:
  movsbl %bl,%esi
  add    $0x1,%r12
  call   <insertOrDeleteCost@plt>
  movsbl %bl,%edi
  movzbl -0x1(%r12),%ebx
  add    %eax,%ebp
  test   %bl,%bl
  jne    L130
  mov    %ebp,0xc(%rsp)
  jmp    L96
L385:
  mov    %al,0x27(%rsp)
  jmp    L292
L407:
  mov    0x30(%rsp),%rax
  cmpb   $0x0,0x1(%rax)
  jne    L424
  movl   $0x0,0xc(%rsp)
  jmp    L96
L192:
  lea    0x5(%rdx,%rdx,4),%edi
  call   <sqlite3_malloc@plt>
  mov    %rax,0x38(%rsp)
  test   %rax,%rax
  je     L123
  mov    %rax,0x60(%rsp)
  jmp    L52
L261:
  movq   $0x0,0x58(%rsp)
  movl   $0x0,0xc(%rsp)
  test   %cl,%cl
  jne    L331
  jmp    L96
L337:
  mov    0x28(%rsp),%rcx
  movl   $0x0,0xc(%rsp)
  cmpb   $0x0,(%rcx)
  jne    L36
  jmp    L96
L59:
  mov    %esi,0xc(%rsp)
  jmp    L84
L271:
  movl   $0xffffffff,0xc(%rsp)
  jmp    L96
L167:
  call   <__stack_chk_fail@plt>
L123:
  movl   $0xfffffffd,0xc(%rsp)
  jmp    L96
```

assistant: ```c
int editdist(const char *zA, const char *zB) {
  int nA, nB;
  int xA, xB;
  char cA, cB;
  char cAprev, cBprev;
  int d;
  int dc = 0;
  int res;
  int *m;
  char *cx;
  int *toFree = 0;
  int mStack[60 + 15];
  if (zA == 0 || zB == 0)
    return -1;
  while (zA[0] && zA[0] == zB[0]) {
    dc = zA[0];
    zA++;
    zB++;
  }
  if (zA[0] == 0 && zB[0] == 0)
    return 0;
  for (nA = 0; zA[nA]; nA++) {
    if (zA[nA] > 127)
      return -2;
  }
  for (nB = 0; zB[nB]; nB++) {
    if (zB[nB] > 127)
      return -2;
  }
  if (nA == 0) {
    cBprev = dc;
    for (xB = res = 0; (cB = zB[xB]) != 0; xB++) {
      res += insertOrDeleteCost(cBprev, cB) / 4;
      cBprev = cB;
    }
    return res;
  }
  if (nB == 0) {
    cAprev = dc;
    for (xA = res = 0; (cA = zA[xA]) != 0; xA++) {
      res += insertOrDeleteCost(cAprev, cA);
      cAprev = cA;
    }
    return res;
  }
  if (zA[0] == '*' && zA[1] == 0)
    return 0;
  if (nB < (sizeof(mStack) * 4) / (sizeof(mStack[0]) * 5)) {
    m = mStack;
  } else {
    m = toFree = sqlite3_malloc((nB + 1) * 5 * sizeof(m[0]) / 4);
    if (m == 0)
      return -3;
  }
  cx = (char *)&m[nB + 1];
  m[0] = 0;
  cx[0] = dc;
  cBprev = dc;
  for (xB = 1; xB <= nB; xB++) {
    cB = zB[xB - 1];
    cx[xB] = cB;
    m[xB] = m[xB - 1] + insertOrDeleteCost(cBprev, cB);
    cBprev = cB;
  }
  cAprev = dc;
  for (xA = 1; xA <= nA; xA++) {
    int lastA = (xA == nA);
    cA = zA[xA - 1];
    if (cA == '*' && lastA)
      break;
    d = m[0];
    dc = cx[0];
    m[0] = d + insertOrDeleteCost(cAprev, cA);
    cBprev = 0;
    for (xB = 1; xB <= nB; xB++) {
      int totalCost, insCost, delCost, subCost, ncx;
      cB = zB[xB - 1];
      insCost = insertOrDeleteCost(cx[xB - 1], cB);
      if (lastA)
        insCost /= 4;
      delCost = insertOrDeleteCost(cx[xB], cA);
      subCost = substituteCost(cx[xB - 1], cA, cB);
      totalCost = insCost + m[xB - 1];
      ncx = cB;
      if ((delCost + m[xB]) < totalCost) {
        totalCost = delCost + m[xB];
        ncx = cA;
      }
      if ((subCost + d) < totalCost) {
        totalCost = subCost + d;
      }
      d = m[xB];
      dc = cx[xB];
      m[xB] = totalCost;
      cx[xB] = ncx;
      cBprev = cB;
    }
    cAprev = cA;
  }
  if (cA == '*' && nB > nA) {
    res = m[nA];
    for (xB = nA + 1; xB <= nB; xB++) {
      if (m[xB] < res)
        res = m[xB];
    }
  } else {
    res = m[nB];
  }
  sqlite3_free(toFree);
  return res;
}
```