user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<LZ_CompressFast>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x448,%rsp
  mov    %rdi,(%rsp)
  mov    %rsi,0x10(%rsp)
  mov    %edx,0x20(%rsp)
  mov    %fs:0x28,%rax
  mov    %rax,0x438(%rsp)
  xor    %eax,%eax
  test   %edx,%edx
  je     L193
  lea    0x40000(%rcx),%r13
  mov    %rcx,%rax
L158:
  movl   $0xffffffff,(%rax)
  add    $0x4,%rax
  cmp    %r13,%rax
  jne    L158
  mov    0x20(%rsp),%eax
  mov    %eax,%edi
  sub    $0x1,%edi
  mov    %edi,0x24(%rsp)
  je     L388
  lea    -0x1(%rax),%edi
  mov    $0x0,%edx
  mov    (%rsp),%rsi
L310:
  movzbl (%rsi,%rdx,1),%eax
  shl    $0x8,%eax
  movzbl 0x1(%rsi,%rdx,1),%r8d
  or     %r8d,%eax
  mov    %eax,%eax
  lea    (%rcx,%rax,4),%rax
  mov    (%rax),%r8d
  mov    %edx,(%rax)
  mov    %r8d,0x40000(%rcx,%rdx,4)
  add    $0x1,%rdx
  cmp    %rdi,%rdx
  jne    L310
  mov    0x24(%rsp),%eax
L174:
  mov    %eax,%eax
  movl   $0xffffffff,0x0(%r13,%rax,4)
  lea    0x30(%rsp),%rax
  lea    0x430(%rsp),%rdx
L77:
  movl   $0x0,(%rax)
  add    $0x4,%rax
  cmp    %rdx,%rax
  jne    L77
  mov    (%rsp),%rdi
  mov    %rdi,%rax
  add    $0x1,%rdi
  mov    %rdi,0x28(%rsp)
  mov    0x24(%rsp),%ecx
  add    %rdi,%rcx
L189:
  movzbl (%rax),%edx
  addl   $0x1,0x30(%rsp,%rdx,4)
  add    $0x1,%rax
  cmp    %rcx,%rax
  jne    L189
  mov    $0x1,%eax
  mov    $0x0,%ebp
L97:
  movzbl %bpl,%edx
  mov    0x30(%rsp,%rdx,4),%edi
  cmp    %edi,0x30(%rsp,%rax,4)
  cmovb  %eax,%ebp
  add    $0x1,%rax
  cmp    $0x100,%rax
  jne    L97
  mov    0x10(%rsp),%rax
  mov    %bpl,(%rax)
  mov    0x20(%rsp),%eax
  mov    %eax,0x8(%rsp)
  movl   $0x1,0x18(%rsp)
  mov    $0x0,%r15d
  mov    %bpl,0x1f(%rsp)
  jmp    L5
L388:
  mov    0x24(%rsp),%eax
  jmp    L174
L248:
  mov    0x0(%r13,%rbx,4),%ebx
  cmp    $0xffffffff,%ebx
  je     L9
  mov    %r15d,%ebp
  sub    %ebx,%ebp
  cmp    $0x1869f,%ebp
  ja     L9
L177:
  mov    %ebx,%ebx
  mov    (%rsp),%rax
  lea    (%rax,%rbx,1),%rsi
  mov    %r12d,%eax
  movzbl (%r14,%rax,1),%ecx
  cmp    %cl,(%rsi,%rax,1)
  jne    L248
  mov    0x8(%rsp),%eax
  cmp    %ebp,%eax
  mov    %eax,%ecx
  cmova  %ebp,%ecx
  mov    $0x2,%edx
  mov    %r14,%rdi
  call   <_LZ_StringCompare@plt>
  cmp    %r12d,%eax
  jbe    L248
  mov    %eax,%r12d
  mov    %ebp,0xc(%rsp)
  jmp    L248
L9:
  cmp    $0x7,%r12d
  ja     L42
  cmp    $0x4,%r12d
  jne    L314
  cmpl   $0x7f,0xc(%rsp)
  ja     L314
  mov    $0x4,%r12d
L42:
  mov    0x18(%rsp),%eax
  lea    0x1(%rax),%ebp
  mov    %eax,%eax
  mov    0x10(%rsp),%rbx
  movzbl 0x1f(%rsp),%edi
  mov    %dil,(%rbx,%rax,1)
  mov    %ebp,%esi
  add    %rbx,%rsi
  mov    %r12d,%edi
  call   <_LZ_WriteVarSize@plt>
  add    %eax,%ebp
  mov    %ebp,%esi
  add    %rbx,%rsi
  mov    0xc(%rsp),%edi
  call   <_LZ_WriteVarSize@plt>
  add    %ebp,%eax
  mov    %eax,0x18(%rsp)
  add    %r12d,%r15d
  sub    %r12d,0x8(%rsp)
L53:
  cmpl   $0x3,0x8(%rsp)
  jbe    L175
L5:
  mov    %r15d,%eax
  mov    (%rsp),%rdi
  lea    (%rdi,%rax,1),%r14
  mov    0x0(%r13,%rax,4),%ebx
  cmp    $0xffffffff,%ebx
  je     L257
  mov    %r15d,%ebp
  sub    %ebx,%ebp
  cmp    $0x1869f,%ebp
  ja     L215
  mov    $0x3,%r12d
  movl   $0x0,0xc(%rsp)
  jmp    L177
L257:
  mov    $0x3,%r12d
  movl   $0x0,0xc(%rsp)
L314:
  cmp    $0x5,%r12d
  jne    L102
  cmpl   $0x3fff,0xc(%rsp)
  ja     L102
  mov    $0x5,%r12d
  jmp    L42
L215:
  mov    $0x3,%r12d
  movl   $0x0,0xc(%rsp)
  jmp    L314
L102:
  cmp    $0x6,%r12d
  jne    L352
  cmpl   $0x1fffff,0xc(%rsp)
  ja     L352
  mov    $0x6,%r12d
  jmp    L42
L352:
  cmp    $0x7,%r12d
  jne    L180
  cmpl   $0xfffffff,0xc(%rsp)
  jbe    L42
L180:
  add    $0x1,%r15d
  movzbl (%r14),%edx
  mov    0x18(%rsp),%ecx
  lea    0x1(%rcx),%eax
  mov    %ecx,%ecx
  mov    0x10(%rsp),%rdi
  mov    %dl,(%rdi,%rcx,1)
  cmp    %dl,0x1f(%rsp)
  je     L184
L60:
  subl   $0x1,0x8(%rsp)
  mov    %eax,0x18(%rsp)
  jmp    L53
L184:
  mov    %eax,%eax
  movb   $0x0,(%rdi,%rax,1)
  mov    0x18(%rsp),%eax
  lea    0x2(%rax),%eax
  jmp    L60
L175:
  movzbl 0x1f(%rsp),%ebp
  cmp    0x20(%rsp),%r15d
  jae    L198
  mov    %r15d,%edx
  mov    (%rsp),%rax
  add    %rdx,%rax
  mov    0x24(%rsp),%ecx
  sub    %r15d,%ecx
  add    0x28(%rsp),%rdx
  add    %rdx,%rcx
  mov    0x18(%rsp),%edx
  mov    0x10(%rsp),%rdi
  jmp    L29
L281:
  lea    0x1(%rdx),%esi
  mov    %edx,%r8d
  mov    %bpl,(%rdi,%r8,1)
  add    $0x2,%edx
  mov    %esi,%esi
  movb   $0x0,(%rdi,%rsi,1)
L45:
  add    $0x1,%rax
  cmp    %rcx,%rax
  je     L275
L29:
  movzbl (%rax),%esi
  cmp    %bpl,%sil
  je     L281
  mov    %edx,%r8d
  mov    %sil,(%rdi,%r8,1)
  lea    0x1(%rdx),%edx
  jmp    L45
L275:
  mov    %edx,0x18(%rsp)
L198:
  mov    0x18(%rsp),%eax
L193:
  mov    0x438(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L125
  add    $0x448,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L125:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int LZ_CompressFast(unsigned char *in, unsigned char *out, unsigned int insize, unsigned int *work) {
  unsigned char marker, symbol;
  unsigned int inpos, outpos, bytesleft, i, index, symbols;
  unsigned int offset, bestoffset;
  unsigned int maxlength, length, bestlength;
  unsigned int histogram[256], *lastindex, *jumptable;
  unsigned char *ptr1, *ptr2;
  if (insize < 1) {
    return 0;
  }
  lastindex = work;
  jumptable = &work[65536];
  for (i = 0; i < 65536; ++i) {
    lastindex[i] = 0xffffffff;
  }
  for (i = 0; i < insize - 1; ++i) {
    symbols = (((unsigned int)in[i]) << 8) | ((unsigned int)in[i + 1]);
    index = lastindex[symbols];
    lastindex[symbols] = i;
    jumptable[i] = index;
  }
  jumptable[insize - 1] = 0xffffffff;
  for (i = 0; i < 256; ++i) {
    histogram[i] = 0;
  }
  for (i = 0; i < insize; ++i) {
    ++histogram[in[i]];
  }
  marker = 0;
  for (i = 1; i < 256; ++i) {
    if (histogram[i] < histogram[marker]) {
      marker = i;
    }
  }
  out[0] = marker;
  inpos = 0;
  outpos = 1;
  bytesleft = insize;
  do {
    ptr1 = &in[inpos];
    bestlength = 3;
    bestoffset = 0;
    index = jumptable[inpos];
    while ((index != 0xffffffff) && ((inpos - index) < 100000)) {
      ptr2 = &in[index];
      if (ptr2[bestlength] == ptr1[bestlength]) {
        offset = inpos - index;
        maxlength = (bytesleft < offset ? bytesleft : offset);
        length = _LZ_StringCompare(ptr1, ptr2, 2, maxlength);
        if (length > bestlength) {
          bestlength = length;
          bestoffset = offset;
        }
      }
      index = jumptable[index];
    }
    if ((bestlength >= 8) || ((bestlength == 4) && (bestoffset <= 0x0000007f)) || ((bestlength == 5) && (bestoffset <= 0x00003fff)) || ((bestlength == 6) && (bestoffset <= 0x001fffff)) || ((bestlength == 7) && (bestoffset <= 0x0fffffff))) {
      out[outpos++] = (unsigned char)marker;
      outpos += _LZ_WriteVarSize(bestlength, &out[outpos]);
      outpos += _LZ_WriteVarSize(bestoffset, &out[outpos]);
      inpos += bestlength;
      bytesleft -= bestlength;
    } else {
      symbol = in[inpos++];
      out[outpos++] = symbol;
      if (symbol == marker) {
        out[outpos++] = 0;
      }
      --bytesleft;
    }
  } while (bytesleft > 3);
  while (inpos < insize) {
    if (in[inpos] == marker) {
      out[outpos++] = marker;
      out[outpos++] = 0;
    } else {
      out[outpos++] = in[inpos];
    }
    ++inpos;
  }
  return outpos;
}
```