ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<fir_filter_int>:
  endbr64
  push   %r14
  push   %r13
  lea    -0x8(%rdi,%rdx,8),%r13
  push   %r12
  push   %rbp
  mov    %rsi,%rbp
  lea    0x1(%r8),%rsi
  sar    %rsi
  push   %rbx
  lea    -0x8(%rdi,%rsi,8),%r10
  test   %rdx,%rdx
  jle    L6
  mov    %rdx,%rbx
  mov    %rcx,%rdi
  mov    %r8,%r12
  xor    %r11d,%r11d
  nopl   0x0(%rax)
L26:
  mov    (%rdi),%rax
  lea    0x8(%rdi),%r8
  lea    -0x8(%r10),%r14
  imul   (%r10),%rax
  cmp    $0x1,%rsi
  jle    L59
  mov    $0x1,%edx
  nopw   0x0(%rax,%rax,1)
L0:
  sub    $0x8,%r14
  mov    (%rdi,%rdx,8),%rcx
  add    $0x1,%rdx
  imul   0x8(%r14),%rcx
  add    %rcx,%rax
  cmp    %rsi,%rdx
  jne    L0
L59:
  cqto
  idiv   %r9
  cltq
  mov    %rax,0x0(%rbp,%r11,8)
  cmp    %r10,%r13
  je     L44
  xor    %eax,%eax
  cmp    %rsi,%r12
  setg   %al
  add    $0x8,%r10
  add    %rax,%rsi
L42:
  add    $0x1,%r11
  cmp    %r11,%rbx
  jne    L26
L6:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   0x0(%rax,%rax,1)
L44:
  sub    $0x1,%rsi
  mov    %r8,%rdi
  jmp    L42
```

assistant: ```c
void fir_filter_int(long *in, long *out, long in_len, long *coef, long coef_len, long scale) {
  long i, j, coef_len2, acc_length;
  long acc;
  long *in_ptr, *data_ptr, *coef_start, *coef_ptr, *in_end;
  coef_start = coef;
  coef_len2 = (coef_len + 1) >> 1;
  in_end = in + in_len - 1;
  in_ptr = in + coef_len2 - 1;
  acc_length = coef_len2;
  for (i = 0; i < in_len; i++) {
    data_ptr = in_ptr;
    coef_ptr = coef_start;
    acc = (long)(*coef_ptr++) * (*data_ptr--);
    for (j = 1; j < acc_length; j++)
      acc += (long)(*coef_ptr++) * (*data_ptr--);
    *out++ = (int)(acc / scale);
    if (in_ptr == in_end) {
      acc_length--;
      coef_start++;
    } else {
      if (acc_length < coef_len)
        acc_length++;
      in_ptr++;
    }
  }
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<fir_filter_int>:
  endbr64
  push   %r15
  mov    %rsi,%r10
  lea    0x1(%r8),%rsi
  push   %r14
  sar    %rsi
  push   %r13
  push   %r12
  lea    -0x8(%rdi,%rdx,8),%r12
  push   %rbp
  push   %rbx
  mov    %r8,-0x8(%rsp)
  lea    -0x8(%rdi,%rsi,8),%r8
  test   %rdx,%rdx
  jle    L3
  mov    %rdx,%rbp
  mov    %rcx,%rdi
  lea    0x8(%rcx),%r13
  xor    %r11d,%r11d
  nopl   0x0(%rax)
L50:
  lea    -0x8(%r8),%rbx
  mov    (%rdi),%rax
  mov    %r13,%r14
  imul   (%r8),%rax
  mov    %rbx,%r15
  cmp    $0x1,%rsi
  jle    L29
  mov    $0x1,%edx
  nopl   0x0(%rax)
L35:
  sub    $0x8,%r15
  mov    (%rdi,%rdx,8),%rcx
  add    $0x1,%rdx
  imul   0x8(%r15),%rcx
  add    %rcx,%rax
  cmp    %rsi,%rdx
  jne    L35
L29:
  cqto
  add    $0x8,%r10
  idiv   %r9
  cltq
  mov    %rax,-0x8(%r10)
  cmp    %r8,%r12
  je     L46
  xor    %eax,%eax
  cmp    %rsi,-0x8(%rsp)
  setg   %al
  add    $0x1,%r11
  add    $0x8,%r8
  add    %rax,%rsi
  cmp    %r11,%rbp
  jne    L50
L3:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopw   0x0(%rax,%rax,1)
L46:
  add    $0x1,%r11
  sub    $0x1,%rsi
  cmp    %r11,%rbp
  jne    1040 <fir_filter_int.cold>
  jmp    L3
```

assistant: ```c
void fir_filter_int(long *in, long *out, long in_len, long *coef, long coef_len, long scale) {
  long i, j, coef_len2, acc_length;
  long acc;
  long *in_ptr, *data_ptr, *coef_start, *coef_ptr, *in_end;
  coef_start = coef;
  coef_len2 = (coef_len + 1) >> 1;
  in_end = in + in_len - 1;
  in_ptr = in + coef_len2 - 1;
  acc_length = coef_len2;
  for (i = 0; i < in_len; i++) {
    data_ptr = in_ptr;
    coef_ptr = coef_start;
    acc = (long)(*coef_ptr++) * (*data_ptr--);
    for (j = 1; j < acc_length; j++)
      acc += (long)(*coef_ptr++) * (*data_ptr--);
    *out++ = (int)(acc / scale);
    if (in_ptr == in_end) {
      acc_length--;
      coef_start++;
    } else {
      if (acc_length < coef_len)
        acc_length++;
      in_ptr++;
    }
  }
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<rgb2yuv>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  add    $0xffffffffffffff80,%rsp
  mov    %rdi,-0x58(%rbp)
  mov    %rsi,-0x60(%rbp)
  mov    %rdx,-0x68(%rbp)
  movsd  %xmm0,-0x70(%rbp)
  movsd  %xmm1,-0x78(%rbp)
  movsd  %xmm2,-0x80(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movsd  D42(%rip),%xmm0
  movsd  %xmm0,-0x50(%rbp)
  movsd  D36(%rip),%xmm0
  movsd  %xmm0,-0x48(%rbp)
  movsd  D78(%rip),%xmm0
  movsd  %xmm0,-0x40(%rbp)
  movsd  D82(%rip),%xmm0
  movsd  %xmm0,-0x38(%rbp)
  movsd  D46(%rip),%xmm0
  movsd  %xmm0,-0x30(%rbp)
  movsd  D71(%rip),%xmm0
  movsd  %xmm0,-0x28(%rbp)
  movsd  D1(%rip),%xmm0
  movsd  %xmm0,-0x20(%rbp)
  movsd  D11(%rip),%xmm0
  movsd  %xmm0,-0x18(%rbp)
  movsd  D52(%rip),%xmm0
  movsd  %xmm0,-0x10(%rbp)
  movsd  -0x50(%rbp),%xmm0
  movapd %xmm0,%xmm1
  mulsd  -0x70(%rbp),%xmm1
  movsd  -0x48(%rbp),%xmm0
  mulsd  -0x78(%rbp),%xmm0
  addsd  %xmm0,%xmm1
  movsd  -0x40(%rbp),%xmm0
  mulsd  -0x80(%rbp),%xmm0
  addsd  %xmm1,%xmm0
  mov    -0x58(%rbp),%rax
  movsd  %xmm0,(%rax)
  movsd  -0x38(%rbp),%xmm0
  movapd %xmm0,%xmm1
  mulsd  -0x70(%rbp),%xmm1
  movsd  -0x30(%rbp),%xmm0
  mulsd  -0x78(%rbp),%xmm0
  addsd  %xmm0,%xmm1
  movsd  -0x28(%rbp),%xmm0
  mulsd  -0x80(%rbp),%xmm0
  addsd  %xmm1,%xmm0
  mov    -0x60(%rbp),%rax
  movsd  %xmm0,(%rax)
  movsd  -0x20(%rbp),%xmm0
  movapd %xmm0,%xmm1
  mulsd  -0x70(%rbp),%xmm1
  movsd  -0x18(%rbp),%xmm0
  mulsd  -0x78(%rbp),%xmm0
  addsd  %xmm0,%xmm1
  movsd  -0x10(%rbp),%xmm0
  mulsd  -0x80(%rbp),%xmm0
  addsd  %xmm1,%xmm0
  mov    -0x68(%rbp),%rax
  movsd  %xmm0,(%rax)
  nop
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L3
  call   <__stack_chk_fail@plt>
L3:
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: data_label: D42
data_type: f64
name: retrieve_data
arguments: data_label: D36
data_type: f64
name: retrieve_data
arguments: data_label: D78
data_type: byte[8]
name: retrieve_data
arguments: data_label: D82
data_type: byte[8]
name: retrieve_data
arguments: data_label: D46
data_type: byte[8]
name: retrieve_data
arguments: data_label: D71
data_type: f64
name: retrieve_data
arguments: data_label: D1
data_type: f64
name: retrieve_data
arguments: data_label: D11
data_type: byte[8]
name: retrieve_data
arguments: data_label: D52
data_type: f64

tool: D42: 0.472854

tool: D36: 1.423527

tool: {"D78": [0xb9,0x6e,0x4a,0x79,0xad,0x84,0xa6,0xbf]}

tool: {"D82": [0x51,0x4e,0xb4,0xab,0x90,0x72,0xe3,0xbf]}

tool: {"D46": [0x14,0x3f,0xc6,0xdc,0xb5,0x44,0xf2,0xbf]}

tool: D71: 0.75891

tool: D1: 0.585846

tool: {"D11": [0xd4,0xd1,0x71,0x35,0xb2,0x2b,0xd9,0xbf]}

tool: D52: 0.044646

assistant: ```c
void rgb2yuv(double *y, double *u, double *v, double r, double g, double b) {
  double trans[9] = {0.47285400000000, 1.42352700000000, -0.04398100000000, -0.60773500000000, -1.14177500000000, 0.75891000000000, 0.58584600000000, -0.39329200000000, 0.04464600000000};
  *y = trans[0] * r + trans[1] * g + trans[2] * b;
  *u = trans[3] * r + trans[4] * g + trans[5] * b;
  *v = trans[6] * r + trans[7] * g + trans[8] * b;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<rgb2yuv>:
  endbr64
  movapd %xmm0,%xmm3
  mulsd  D67(%rip),%xmm3
  movapd %xmm1,%xmm4
  mulsd  D9(%rip),%xmm4
  addsd  %xmm4,%xmm3
  movapd %xmm2,%xmm4
  mulsd  D29(%rip),%xmm4
  addsd  %xmm4,%xmm3
  movsd  %xmm3,(%rdi)
  movapd %xmm0,%xmm3
  mulsd  D88(%rip),%xmm3
  movapd %xmm1,%xmm4
  mulsd  D84(%rip),%xmm4
  addsd  %xmm4,%xmm3
  movapd %xmm2,%xmm4
  mulsd  D85(%rip),%xmm4
  addsd  %xmm4,%xmm3
  movsd  %xmm3,(%rsi)
  mulsd  D79(%rip),%xmm0
  mulsd  D25(%rip),%xmm1
  addsd  %xmm1,%xmm0
  mulsd  D28(%rip),%xmm2
  addsd  %xmm2,%xmm0
  movsd  %xmm0,(%rdx)
  ret
```

tool_calls: name: unpack_data
arguments: data_tag: D67
type: f64
name: unpack_data
arguments: data_tag: D9
type: f64
name: unpack_data
arguments: data_tag: D29
type: byte[8]
name: unpack_data
arguments: data_tag: D88
type: byte[8]
name: unpack_data
arguments: data_tag: D84
type: byte[8]
name: unpack_data
arguments: data_tag: D85
type: f64
name: unpack_data
arguments: data_tag: D79
type: f64
name: unpack_data
arguments: data_tag: D25
type: byte[8]
name: unpack_data
arguments: data_tag: D28
type: f64

tool: D67: 0.472854

tool: D9: 1.423527

tool: {"D29": [0xb9,0x6e,0x4a,0x79,0xad,0x84,0xa6,0xbf]}

tool: {"D88": [0x51,0x4e,0xb4,0xab,0x90,0x72,0xe3,0xbf]}

tool: {"D84": [0x14,0x3f,0xc6,0xdc,0xb5,0x44,0xf2,0xbf]}

tool: D85: 0.75891

tool: D79: 0.585846

tool: {"D25": [0xd4,0xd1,0x71,0x35,0xb2,0x2b,0xd9,0xbf]}

tool: D28: 0.044646

assistant: ```c
void rgb2yuv(double *y, double *u, double *v, double r, double g, double b) {
  double trans[9] = {0.47285400000000, 1.42352700000000, -0.04398100000000, -0.60773500000000, -1.14177500000000, 0.75891000000000, 0.58584600000000, -0.39329200000000, 0.04464600000000};
  *y = trans[0] * r + trans[1] * g + trans[2] * b;
  *u = trans[3] * r + trans[4] * g + trans[5] * b;
  *v = trans[6] * r + trans[7] * g + trans[8] * b;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<rgb2yuv>:
  endbr64
  movsd  D57(%rip),%xmm3
  movsd  D37(%rip),%xmm4
  mulsd  %xmm0,%xmm3
  mulsd  %xmm1,%xmm4
  addsd  %xmm4,%xmm3
  movsd  D18(%rip),%xmm4
  mulsd  %xmm2,%xmm4
  addsd  %xmm4,%xmm3
  movsd  D35(%rip),%xmm4
  mulsd  %xmm1,%xmm4
  movsd  %xmm3,(%rdi)
  movsd  D85(%rip),%xmm3
  mulsd  D6(%rip),%xmm1
  mulsd  %xmm0,%xmm3
  mulsd  D8(%rip),%xmm0
  addsd  %xmm4,%xmm3
  movsd  D30(%rip),%xmm4
  addsd  %xmm1,%xmm0
  mulsd  %xmm2,%xmm4
  mulsd  D46(%rip),%xmm2
  addsd  %xmm4,%xmm3
  addsd  %xmm2,%xmm0
  movsd  %xmm3,(%rsi)
  movsd  %xmm0,(%rdx)
  ret
```

tool_calls: name: read_data
arguments: tag: D57
data_type: f64
name: read_data
arguments: tag: D37
data_type: f64
name: read_data
arguments: tag: D18
data_type: byte[8]
name: read_data
arguments: tag: D35
data_type: byte[8]
name: read_data
arguments: tag: D85
data_type: byte[8]
name: read_data
arguments: tag: D6
data_type: byte[8]
name: read_data
arguments: tag: D8
data_type: f64
name: read_data
arguments: tag: D30
data_type: f64
name: read_data
arguments: tag: D46
data_type: f64

tool: D57: 0.472854

tool: D37: 1.423527

tool: {"D18": [0xb9,0x6e,0x4a,0x79,0xad,0x84,0xa6,0xbf]}

tool: {"D35": [0x14,0x3f,0xc6,0xdc,0xb5,0x44,0xf2,0xbf]}

tool: {"D85": [0x51,0x4e,0xb4,0xab,0x90,0x72,0xe3,0xbf]}

tool: {"D6": [0xd4,0xd1,0x71,0x35,0xb2,0x2b,0xd9,0xbf]}

tool: D8: 0.585846

tool: D30: 0.75891

tool: D46: 0.044646

assistant: ```c
void rgb2yuv(double *y, double *u, double *v, double r, double g, double b) {
  double trans[9] = {0.47285400000000, 1.42352700000000, -0.04398100000000, -0.60773500000000, -1.14177500000000, 0.75891000000000, 0.58584600000000, -0.39329200000000, 0.04464600000000};
  *y = trans[0] * r + trans[1] * g + trans[2] * b;
  *u = trans[3] * r + trans[4] * g + trans[5] * b;
  *v = trans[6] * r + trans[7] * g + trans[8] * b;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<rgb2yuv>:
  endbr64
  movsd  D43(%rip),%xmm3
  movsd  D76(%rip),%xmm4
  mulsd  %xmm0,%xmm3
  mulsd  %xmm1,%xmm4
  addsd  %xmm4,%xmm3
  movsd  D68(%rip),%xmm4
  mulsd  %xmm2,%xmm4
  addsd  %xmm4,%xmm3
  movsd  D8(%rip),%xmm4
  mulsd  %xmm1,%xmm4
  movsd  %xmm3,(%rdi)
  movsd  D73(%rip),%xmm3
  mulsd  D1(%rip),%xmm1
  mulsd  %xmm0,%xmm3
  mulsd  D51(%rip),%xmm0
  addsd  %xmm4,%xmm3
  movsd  D84(%rip),%xmm4
  addsd  %xmm1,%xmm0
  mulsd  %xmm2,%xmm4
  mulsd  D87(%rip),%xmm2
  addsd  %xmm4,%xmm3
  addsd  %xmm2,%xmm0
  movsd  %xmm3,(%rsi)
  movsd  %xmm0,(%rdx)
  ret
```

tool_calls: name: parse_data
arguments: label: D43
type: f64
name: parse_data
arguments: label: D76
type: f64
name: parse_data
arguments: label: D68
type: byte[8]
name: parse_data
arguments: label: D8
type: byte[8]
name: parse_data
arguments: label: D73
type: byte[8]
name: parse_data
arguments: label: D1
type: byte[8]
name: parse_data
arguments: label: D51
type: f64
name: parse_data
arguments: label: D84
type: f64
name: parse_data
arguments: label: D87
type: f64

tool: D43: 0.472854

tool: D76: 1.423527

tool: {"D68": [0xb9,0x6e,0x4a,0x79,0xad,0x84,0xa6,0xbf]}

tool: {"D8": [0x14,0x3f,0xc6,0xdc,0xb5,0x44,0xf2,0xbf]}

tool: {"D73": [0x51,0x4e,0xb4,0xab,0x90,0x72,0xe3,0xbf]}

tool: {"D1": [0xd4,0xd1,0x71,0x35,0xb2,0x2b,0xd9,0xbf]}

tool: D51: 0.585846

tool: D84: 0.75891

tool: D87: 0.044646

assistant: ```c
void rgb2yuv(double *y, double *u, double *v, double r, double g, double b) {
  double trans[9] = {0.47285400000000, 1.42352700000000, -0.04398100000000, -0.60773500000000, -1.14177500000000, 0.75891000000000, 0.58584600000000, -0.39329200000000, 0.04464600000000};
  *y = trans[0] * r + trans[1] * g + trans[2] * b;
  *u = trans[3] * r + trans[4] * g + trans[5] * b;
  *v = trans[6] * r + trans[7] * g + trans[8] * b;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<EXP>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x14(%rbp)
  mov    %esi,-0x18(%rbp)
  movl   $0x1,-0x4(%rbp)
  jmp    L10
L9:
  mov    -0x4(%rbp),%eax
  imul   -0x14(%rbp),%eax
  mov    %eax,-0x4(%rbp)
L10:
  mov    -0x18(%rbp),%eax
  lea    -0x1(%rax),%edx
  mov    %edx,-0x18(%rbp)
  test   %eax,%eax
  jne    L9
  mov    -0x4(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
int EXP(int x, int y) {
  int power = 1;
  while (y--)
    power = power * x;
  return power;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<EXP>:
  endbr64
  lea    -0x1(%rsi),%eax
  test   %esi,%esi
  je     L22
  mov    $0x1,%edx
L25:
  imul   %edi,%edx
  sub    $0x1,%eax
  cmp    $0xffffffff,%eax
  jne    L25
L5:
  mov    %edx,%eax
  ret
L22:
  mov    $0x1,%edx
  jmp    L5
```

assistant: ```c
int EXP(int x, int y) {
  int power = 1;
  while (y--)
    power = power * x;
  return power;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<EXP>:
  endbr64
  lea    -0x1(%rsi),%eax
  mov    $0x1,%r8d
  test   %esi,%esi
  je     L15
  nopl   0x0(%rax)
L9:
  imul   %edi,%r8d
  sub    $0x1,%eax
  jae    L9
L15:
  mov    %r8d,%eax
  ret
```

assistant: ```c
int EXP(int x, int y) {
  int power = 1;
  while (y--)
    power = power * x;
  return power;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<EXP>:
  endbr64
  lea    -0x1(%rsi),%eax
  mov    $0x1,%r8d
  test   %esi,%esi
  je     L8
  nopl   0x0(%rax)
L10:
  imul   %edi,%r8d
  sub    $0x1,%eax
  jae    L10
L8:
  mov    %r8d,%eax
  ret
```

assistant: ```c
int EXP(int x, int y) {
  int power = 1;
  while (y--)
    power = power * x;
  return power;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<finddatachunk>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movl   $0x0,-0x1c(%rbp)
  movb   $0x0,-0x10(%rbp)
  jmp    L62
L24:
  lea    -0x12(%rbp),%rax
  lea    D3(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  jne    L31
  cmpl   $0x0,-0x1c(%rbp)
  je     L47
  mov    -0x28(%rbp),%rdx
  lea    -0xd(%rbp),%rax
  mov    %rdx,%rcx
  mov    $0x1,%edx
  mov    $0x4,%esi
  mov    %rax,%rdi
  call   <fread@plt>
  movzbl -0xd(%rbp),%eax
  movzbl %al,%edx
  movzbl -0xc(%rbp),%eax
  movzbl %al,%eax
  shl    $0x8,%eax
  add    %eax,%edx
  movzbl -0xb(%rbp),%eax
  movzbl %al,%eax
  shl    $0x10,%eax
  add    %eax,%edx
  movzbl -0xa(%rbp),%eax
  movzbl %al,%eax
  shl    $0x18,%eax
  add    %edx,%eax
  mov    %eax,-0x18(%rbp)
  mov    -0x18(%rbp),%eax
  jmp    L51
L47:
  movl   $0x0,-0x1c(%rbp)
  jmp    L62
L31:
  lea    -0x12(%rbp),%rax
  lea    D15(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  jne    L62
  movl   $0x1,-0x1c(%rbp)
  nop
L62:
  mov    -0x28(%rbp),%rdx
  lea    -0x12(%rbp),%rax
  mov    %rdx,%rcx
  mov    $0x1,%edx
  mov    $0x2,%esi
  mov    %rax,%rdi
  call   <fread@plt>
  cmp    $0x1,%eax
  je     L24
  mov    $0x0,%eax
L51:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L55
  call   <__stack_chk_fail@plt>
L55:
  leave
  ret
```

tool_calls: name: parse_data
arguments: data_tag: D3
type_guessed: string
name: parse_data
arguments: data_tag: D15
type_guessed: string

tool: D3: ta

tool: D15: da

assistant: ```c
int finddatachunk(FILE *file) {
  unsigned char data[5];
  unsigned char cdlen[5];
  int dlen;
  int dafound = 0;
  data[2] = 0;
  while (fread(data, 2, 1, file) == 1) {
    if (!strcmp(data, "ta")) {
      if (dafound) {
        fread(cdlen, 4, 1, file);
        dlen = cdlen[0] + ((int)(cdlen[1]) << 8) + ((int)(cdlen[2]) << 16) + ((int)(cdlen[3]) << 24);
        return dlen;
      } else
        dafound = 0;
    } else if (!strcmp(data, "da")) {
      dafound = 1;
      continue;
    }
  }
  return 0;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<finddatachunk>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rdi,%r13
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  movb   $0x0,0x10(%rsp)
  mov    $0x0,%r12d
  lea    0xe(%rsp),%rbp
  lea    D17(%rip),%r14
  lea    D3(%rip),%r15
  jmp    L57
L53:
  mov    %r15,%rsi
  mov    %rbp,%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  cmove  %ebx,%r12d
L57:
  mov    %r13,%rcx
  mov    $0x1,%edx
  mov    $0x2,%esi
  mov    %rbp,%rdi
  call   <fread@plt>
  mov    %eax,%ebx
  cmp    $0x1,%eax
  jne    L29
  mov    %r14,%rsi
  mov    %rbp,%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  jne    L53
  test   %r12d,%r12d
  je     L57
  lea    0x13(%rsp),%rdi
  mov    %r13,%rcx
  mov    $0x1,%edx
  mov    $0x4,%esi
  call   <fread@plt>
  movzbl 0x14(%rsp),%eax
  shl    $0x8,%eax
  movzbl 0x13(%rsp),%edx
  add    %edx,%eax
  movzbl 0x15(%rsp),%edx
  shl    $0x10,%edx
  add    %edx,%eax
  movzbl 0x16(%rsp),%edx
  shl    $0x18,%edx
  add    %edx,%eax
  jmp    L55
L29:
  mov    $0x0,%eax
L55:
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L16
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L16:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: label: D17
type: string
name: unpack_data
arguments: label: D3
type: string

tool: D17: ta

tool: D3: da

assistant: ```c
int finddatachunk(FILE *file) {
  unsigned char data[5];
  unsigned char cdlen[5];
  int dlen;
  int dafound = 0;
  data[2] = 0;
  while (fread(data, 2, 1, file) == 1) {
    if (!strcmp(data, "ta")) {
      if (dafound) {
        fread(cdlen, 4, 1, file);
        dlen = cdlen[0] + ((int)(cdlen[1]) << 8) + ((int)(cdlen[2]) << 16) + ((int)(cdlen[3]) << 24);
        return dlen;
      } else
        dafound = 0;
    } else if (!strcmp(data, "da")) {
      dafound = 1;
      continue;
    }
  }
  return 0;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<finddatachunk>:
  endbr64
  push   %r15
  lea    D13(%rip),%r15
  push   %r14
  lea    D18(%rip),%r14
  push   %r13
  mov    %rdi,%r13
  push   %r12
  xor    %r12d,%r12d
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  movb   $0x0,0x10(%rsp)
  lea    0xe(%rsp),%rbp
L31:
  mov    %r13,%rcx
  mov    $0x1,%edx
  mov    $0x2,%esi
  mov    %rbp,%rdi
  call   <fread@plt>
  mov    %eax,%ebx
  cmp    $0x1,%eax
  jne    L30
  mov    %r14,%rsi
  mov    %rbp,%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  jne    L36
  test   %r12d,%r12d
  je     L31
  mov    $0x1,%edx
  lea    0x13(%rsp),%rdi
  mov    %r13,%rcx
  mov    $0x4,%esi
  call   <fread@plt>
  movzbl 0x14(%rsp),%eax
  movzbl 0x13(%rsp),%edx
  shl    $0x8,%eax
  add    %edx,%eax
  movzbl 0x15(%rsp),%edx
  shl    $0x10,%edx
  add    %edx,%eax
  movzbl 0x16(%rsp),%edx
  shl    $0x18,%edx
  add    %edx,%eax
  jmp    L2
  nopl   0x0(%rax)
L36:
  mov    %r15,%rsi
  mov    %rbp,%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  cmove  %ebx,%r12d
  jmp    L31
  cs nopw 0x0(%rax,%rax,1)
L30:
  xor    %eax,%eax
L2:
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L26
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L26:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: label: D13
type_guessed: string
name: retrieve_data
arguments: label: D18
type_guessed: string

tool: D13: da

tool: D18: ta

assistant: ```c
int finddatachunk(FILE *file) {
  unsigned char data[5];
  unsigned char cdlen[5];
  int dlen;
  int dafound = 0;
  data[2] = 0;
  while (fread(data, 2, 1, file) == 1) {
    if (!strcmp(data, "ta")) {
      if (dafound) {
        fread(cdlen, 4, 1, file);
        dlen = cdlen[0] + ((int)(cdlen[1]) << 8) + ((int)(cdlen[2]) << 16) + ((int)(cdlen[3]) << 24);
        return dlen;
      } else
        dafound = 0;
    } else if (!strcmp(data, "da")) {
      dafound = 1;
      continue;
    }
  }
  return 0;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<finddatachunk>:
  endbr64
  push   %r15
  lea    D13(%rip),%r15
  push   %r14
  lea    D9(%rip),%r14
  push   %r13
  mov    %rdi,%r13
  push   %r12
  xor    %r12d,%r12d
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  movb   $0x0,0x10(%rsp)
  lea    0xe(%rsp),%rbp
L38:
  mov    %r13,%rcx
  mov    $0x1,%edx
  mov    $0x2,%esi
  mov    %rbp,%rdi
  call   <fread@plt>
  mov    %eax,%ebx
  cmp    $0x1,%eax
  jne    L55
  mov    %r14,%rsi
  mov    %rbp,%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  jne    L1
  test   %r12d,%r12d
  je     L38
  mov    $0x1,%edx
  lea    0x13(%rsp),%rdi
  mov    %r13,%rcx
  mov    $0x4,%esi
  call   <fread@plt>
  movzbl 0x14(%rsp),%eax
  movzbl 0x13(%rsp),%edx
  shl    $0x8,%eax
  add    %edx,%eax
  movzbl 0x15(%rsp),%edx
  shl    $0x10,%edx
  add    %edx,%eax
  movzbl 0x16(%rsp),%edx
  shl    $0x18,%edx
  add    %edx,%eax
  jmp    L40
  nopl   0x0(%rax)
L1:
  mov    %r15,%rsi
  mov    %rbp,%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  cmove  %ebx,%r12d
  jmp    L38
  cs nopw 0x0(%rax,%rax,1)
L55:
  xor    %eax,%eax
L40:
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L14
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L14:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: data_tag: D13
data_type: string
name: unpack_data
arguments: data_tag: D9
data_type: string

tool: D13: da

tool: D9: ta

assistant: ```c
int finddatachunk(FILE *file) {
  unsigned char data[5];
  unsigned char cdlen[5];
  int dlen;
  int dafound = 0;
  data[2] = 0;
  while (fread(data, 2, 1, file) == 1) {
    if (!strcmp(data, "ta")) {
      if (dafound) {
        fread(cdlen, 4, 1, file);
        dlen = cdlen[0] + ((int)(cdlen[1]) << 8) + ((int)(cdlen[2]) << 16) + ((int)(cdlen[3]) << 24);
        return dlen;
      } else
        dafound = 0;
    } else if (!strcmp(data, "da")) {
      dafound = 1;
      continue;
    }
  }
  return 0;
}
```