user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<fits_rdecomp_byte>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  movslq %esi,%rbp
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x28,%rsp
  mov    D11(%rip),%r15
  mov    %rdx,0x18(%rsp)
  mov    %ecx,0x10(%rsp)
  mov    %r8d,0x14(%rsp)
  test   %r15,%r15
  je     L198
L251:
  lea    (%rbx,%rbp,1),%rax
  movzbl (%rbx),%r12d
  mov    $0x8,%ebp
  xor    %r8d,%r8d
  mov    %rax,0x8(%rsp)
  lea    0x2(%rbx),%rax
  movzbl 0x1(%rbx),%ebx
  nopl   0x0(%rax,%rax,1)
L134:
  cmp    0x10(%rsp),%r8d
  jge    L136
  mov    %ebp,%edx
  sub    $0x3,%edx
  jns    L26
  mov    $0x2,%ecx
  sub    %ebp,%ecx
  shr    $0x3,%ecx
  lea    0x1(%rcx),%r13d
  add    %rax,%r13
  nop
L158:
  movzbl (%rax),%edx
  shl    $0x8,%ebx
  add    $0x1,%rax
  or     %edx,%ebx
  cmp    %rax,%r13
  jne    L158
  lea    0x5(%rbp,%rcx,8),%ebp
L62:
  mov    0x14(%rsp),%eax
  mov    %ebp,%ecx
  mov    $0x1,%edi
  mov    %ebx,%edx
  shl    %cl,%edi
  shr    %cl,%edx
  lea    (%r8,%rax,1),%r14d
  mov    0x10(%rsp),%eax
  sub    $0x1,%edi
  and    %edi,%ebx
  cmp    %eax,%r14d
  cmovg  %eax,%r14d
  sub    $0x1,%edx
  js     L140
  cmp    $0x6,%edx
  je     L128
  cmp    %r14d,%r8d
  jge    L286
  mov    0x18(%rsp),%r11
  mov    %r14d,%ecx
  movslq %r8d,%rax
  sub    %r8d,%ecx
  lea    (%r11,%rax,1),%rsi
  lea    -0x1(%rcx),%edi
  lea    0x1(%r11,%rax,1),%rax
  add    %rax,%rdi
  mov    %r13,%rax
  jmp    L297
  nopw   0x0(%rax,%rax,1)
L203:
  movzbl (%rax),%ebx
  add    $0x1,%rax
  add    $0x8,%ebp
L297:
  test   %ebx,%ebx
  je     L203
  mov    %ebx,%ecx
  mov    %ebp,%r9d
  sub    (%r15,%rcx,4),%r9d
  lea    0x1(%r9),%ecx
  sub    %ecx,%ebp
  btc    %ebp,%ebx
  sub    %edx,%ebp
  jns    L163
  mov    %ebp,%r10d
  not    %r10d
  shr    $0x3,%r10d
  lea    0x1(%r10),%r8d
  add    %rax,%r8
  nopl   (%rax)
L7:
  movzbl (%rax),%ecx
  shl    $0x8,%ebx
  add    $0x1,%rax
  or     %ecx,%ebx
  cmp    %rax,%r8
  jne    L7
  lea    0x8(%rbp,%r10,8),%ebp
L163:
  mov    %edx,%ecx
  mov    %ebx,%r11d
  shl    %cl,%r9d
  mov    %ebp,%ecx
  shr    %cl,%r11d
  or     %r11d,%r9d
  mov    $0x1,%r11d
  shl    %cl,%r11d
  mov    %r11d,%ecx
  sub    $0x1,%ecx
  and    %ecx,%ebx
  mov    %r9d,%ecx
  shr    %ecx
  and    $0x1,%r9d
  mov    %ecx,%r8d
  not    %r8d
  cmovne %r8d,%ecx
  add    $0x1,%rsi
  add    %r12d,%ecx
  mov    %cl,-0x1(%rsi)
  movzbl %cl,%r12d
  cmp    %rsi,%rdi
  jne    L297
  mov    %r14d,%r8d
L268:
  cmp    0x8(%rsp),%rax
  jbe    L134
  lea    D7(%rip),%rdi
  mov    $0x1,%r12d
  call   <ffpmsg@plt>
L0:
  add    $0x28,%rsp
  mov    %r12d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L128:
  cmp    %r14d,%r8d
  jge    L286
  mov    %r14d,%eax
  mov    $0x8,%r9d
  lea    0x1(%r13),%rdx
  movslq %r8d,%rsi
  sub    %r8d,%eax
  sub    %ebp,%r9d
  add    0x18(%rsp),%rsi
  lea    -0x1(%rax),%r10d
  lea    0x2(%r13,%r10,1),%r8
  jmp    L284
  nopw   0x0(%rax,%rax,1)
L209:
  movzbl -0x1(%rdx),%ecx
  xor    %ebx,%ebx
  or     %ecx,%eax
L38:
  mov    %eax,%ecx
  shr    %ecx
  test   $0x1,%al
  mov    %ecx,%r11d
  not    %r11d
  cmovne %r11d,%ecx
  add    $0x1,%rdx
  add    $0x1,%rsi
  add    %r12d,%ecx
  mov    %cl,-0x1(%rsi)
  movzbl %cl,%r12d
  cmp    %rdx,%r8
  je     L148
L284:
  mov    %ebx,%eax
  mov    %r9d,%ecx
  shl    %cl,%eax
  test   %ebp,%ebp
  je     L209
  movzbl -0x1(%rdx),%ebx
  mov    %ebp,%ecx
  mov    %ebx,%r11d
  and    %edi,%ebx
  shr    %cl,%r11d
  or     %r11d,%eax
  jmp    L38
L148:
  lea    0x1(%r13,%r10,1),%rax
  mov    %r14d,%r8d
  jmp    L268
L140:
  cmp    %r14d,%r8d
  jge    L286
  mov    %r14d,%eax
  movslq %r8d,%rdi
  mov    %r12d,%esi
  add    0x18(%rsp),%rdi
  sub    %r8d,%eax
  lea    -0x1(%rax),%edx
  add    $0x1,%rdx
  call   <memset@plt>
  mov    %r14d,%r8d
  mov    %r13,%rax
  jmp    L268
L286:
  mov    %r13,%rax
  jmp    L268
L26:
  mov    %edx,%ebp
  mov    %rax,%r13
  jmp    L62
L136:
  xor    %r12d,%r12d
  cmp    0x8(%rsp),%rax
  jae    L0
  lea    D34(%rip),%rdi
  call   <ffpmsg@plt>
  jmp    L0
L198:
  mov    $0x400,%edi
  call   <malloc@plt>
  mov    $0x8,%ecx
  mov    $0x80,%esi
  mov    $0xff,%r9d
  mov    %rax,D18(%rip)
  mov    %rax,%rdi
  mov    %rax,%r15
  lea    -0x4(%rax),%r8
  test   %rax,%rax
  je     L259
L12:
  cmp    %esi,%r9d
  jl     L256
  movslq %r9d,%rdx
  sub    %esi,%r9d
  shl    $0x2,%rdx
  shl    $0x2,%r9
  lea    (%rdi,%rdx,1),%rax
  add    %r8,%rdx
  sub    %r9,%rdx
  nopl   (%rax)
L9:
  mov    %ecx,(%rax)
  sub    $0x4,%rax
  cmp    %rax,%rdx
  jne    L9
  lea    -0x1(%rsi),%r9d
L256:
  mov    %esi,%eax
  sub    $0x1,%ecx
  shr    $0x1f,%eax
  add    %esi,%eax
  sar    %eax
  mov    %eax,%esi
  test   %r9d,%r9d
  jns    L12
  jmp    L251
L259:
  lea    D18(%rip),%rdi
  mov    $0x1,%r12d
  call   <ffpmsg@plt>
  jmp    L0
```

tool_calls: name: read_data
arguments: label: D7
type: string
name: read_data
arguments: label: D34
type: string
name: read_data
arguments: label: D18
type: string

tool: D7: decompression error: hit end of compressed byte stream

tool: D34: decompression warning: unused bytes at end of compressed buffer

tool: D18: rdecomp: insufficient memory

assistant: ```c
int fits_rdecomp_byte(unsigned char *c, int clen, unsigned char array[], int nx, int nblock) {
  int i, imax;
  int k;
  int nbits, nzero, fs;
  unsigned char *cend;
  unsigned int b, diff, lastpix;
  int fsmax, fsbits, bbits;
  static int *nonzero_count = (int *)NULL;
  fsbits = 3;
  fsmax = 6;
  bbits = 1 << fsbits;
  ;
  if (nonzero_count == (int *)NULL) {
    nonzero_count = (int *)malloc(256 * sizeof(int));
    if (nonzero_count == (int *)NULL) {
      ffpmsg("rdecomp: insufficient memory");
      ;
      return 1;
    }
    nzero = 8;
    k = 128;
    for (i = 255; i >= 0;) {
      for (; i >= k; i--)
        nonzero_count[i] = nzero;
      k = k / 2;
      nzero--;
    }
  };
  lastpix = c[0];
  c += 1;
  cend = c + clen - 1;
  b = *c++;
  nbits = 8;
  for (i = 0; i < nx;) {
    nbits -= fsbits;
    while (nbits < 0) {
      b = (b << 8) | (*c++);
      nbits += 8;
    }
    fs = (b >> nbits) - 1;
    b &= (1 << nbits) - 1;
    imax = i + nblock;
    if (imax > nx)
      imax = nx;
    if (fs < 0) {
      for (; i < imax; i++)
        array[i] = lastpix;
    } else if (fs == fsmax) {
      for (; i < imax; i++) {
        k = bbits - nbits;
        diff = b << k;
        for (k -= 8; k >= 0; k -= 8) {
          b = *c++;
          diff |= b << k;
        }
        if (nbits > 0) {
          b = *c++;
          diff |= b >> (-k);
          b &= (1 << nbits) - 1;
        } else {
          b = 0;
        }
        if ((diff & 1) == 0) {
          diff = diff >> 1;
        } else {
          diff = ~(diff >> 1);
        }
        array[i] = diff + lastpix;
        lastpix = array[i];
      }
    } else {
      for (; i < imax; i++) {
        while (b == 0) {
          nbits += 8;
          b = *c++;
        }
        nzero = nbits - nonzero_count[b];
        nbits -= nzero + 1;
        b ^= 1 << nbits;
        nbits -= fs;
        while (nbits < 0) {
          b = (b << 8) | (*c++);
          nbits += 8;
        }
        diff = (nzero << fs) | (b >> nbits);
        b &= (1 << nbits) - 1;
        if ((diff & 1) == 0) {
          diff = diff >> 1;
        } else {
          diff = ~(diff >> 1);
        }
        array[i] = diff + lastpix;
        lastpix = array[i];
      }
    }
    if (c > cend) {
      ffpmsg("decompression error: hit end of compressed byte stream");
      return 1;
    }
  }
  if (c < cend) {
    ffpmsg("decompression warning: unused bytes at end of compressed buffer");
  }
  return 0;
}
```