ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 请从给定的汇编指令推导出C源代码:

```asm
<hex2bin>:
  endbr64
  push   %r15
  xor    %eax,%eax
  push   %r14
  push   %r13
  movslq %esi,%r13
  push   %r12
  mov    %rdi,%r12
  mov    %r13,%rdi
  push   %rbp
  push   %rbx
  mov    %r13,%rbx
  add    %ebx,%ebx
  sub    $0x8,%rsp
  call   <smalloc@plt>
  mov    %r13,%rdx
  xor    %esi,%esi
  movslq %eax,%r14
  mov    %r14,%rdi
  call   <memset@plt>
  test   %ebx,%ebx
  jle    L10
  movslq %ebx,%r13
  xor    %ebp,%ebp
  jmp    L3
  nopw   0x0(%rax,%rax,1)
L50:
  lea    -0x57(%r15),%eax
L7:
  mov    %eax,%edx
  shl    %cl,%edx
L24:
  sar    %ebx
  add    $0x1,%rbp
  movslq %ebx,%rax
  or     %dl,(%r14,%rax,1)
  cmp    %r13,%rbp
  je     L10
L3:
  movsbl (%r12,%rbp,1),%r15d
  xor    %edi,%edi
  mov    %ebp,%ebx
  test   %r15d,%r15d
  setne  %dil
  xor    %eax,%eax
  call   <assert@plt>
  mov    %ebp,%ecx
  lea    -0x30(%r15),%eax
  not    %ecx
  and    $0x1,%ecx
  shl    $0x2,%ecx
  cmp    $0x9,%eax
  jbe    L7
  lea    -0x61(%r15),%eax
  cmp    $0x5,%eax
  jbe    L50
  lea    -0x41(%r15),%eax
  sub    $0x37,%r15d
  shl    %cl,%r15d
  cmp    $0x6,%eax
  mov    $0x0,%eax
  mov    %r15d,%edx
  cmovae %eax,%edx
  jmp    L24
L10:
  add    $0x8,%rsp
  mov    %r14,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
unsigned char *hex2bin(const char *in, int outlen) {
  unsigned char *ret = ((unsigned char *)smalloc((outlen) * sizeof(unsigned char)));
  int i;
  memset(ret, 0, outlen * sizeof(unsigned char));
  for (i = 0; i < outlen * 2; i++) {
    int c = in[i];
    int v;
    assert(c != 0);
    if (c >= '0' && c <= '9')
      v = c - '0';
    else if (c >= 'a' && c <= 'f')
      v = c - 'a' + 10;
    else if (c >= 'A' && c <= 'F')
      v = c - 'A' + 10;
    else
      v = 0;
    ret[i / 2] |= v << (4 * (1 - (i % 2)));
  }
  return ret;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<solar_zenith>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r12
  push   %rbx
  sub    $0x50,%rsp
  mov    %edi,-0x44(%rbp)
  mov    %esi,-0x48(%rbp)
  movsd  %xmm0,-0x50(%rbp)
  movsd  %xmm1,-0x58(%rbp)
  movsd  %xmm2,-0x60(%rbp)
  pxor   %xmm0,%xmm0
  movsd  %xmm0,-0x30(%rbp)
  pxor   %xmm0,%xmm0
  movsd  %xmm0,-0x28(%rbp)
  pxor   %xmm0,%xmm0
  movsd  %xmm0,-0x20(%rbp)
  movsd  -0x50(%rbp),%xmm1
  movsd  D37(%rip),%xmm0
  mulsd  %xmm1,%xmm0
  movsd  D47(%rip),%xmm1
  divsd  %xmm1,%xmm0
  movsd  %xmm0,-0x18(%rbp)
  movsd  -0x60(%rbp),%xmm0
  mov    -0x58(%rbp),%rcx
  mov    -0x48(%rbp),%edx
  mov    -0x44(%rbp),%eax
  movapd %xmm0,%xmm1
  movq   %rcx,%xmm0
  mov    %edx,%esi
  mov    %eax,%edi
  call   <LAT@plt>
  mov    %eax,-0x34(%rbp)
  mov    -0x48(%rbp),%eax
  mov    %eax,%edi
  call   <declination@plt>
  movsd  D44(%rip),%xmm1
  mulsd  %xmm1,%xmm0
  movsd  %xmm0,-0x20(%rbp)
  mov    -0x34(%rbp),%eax
  mov    %eax,%edi
  call   <hour_angle@plt>
  movsd  D44(%rip),%xmm1
  mulsd  %xmm1,%xmm0
  movsd  %xmm0,-0x28(%rbp)
  mov    -0x20(%rbp),%rax
  movq   %rax,%xmm0
  call   <sin@plt>
  mov    %eax,%ebx
  mov    -0x18(%rbp),%rax
  movq   %rax,%xmm0
  call   <sin@plt>
  imul   %eax,%ebx
  mov    %ebx,%r12d
  mov    -0x20(%rbp),%rax
  movq   %rax,%xmm0
  call   <cos@plt>
  mov    %eax,%ebx
  mov    -0x18(%rbp),%rax
  movq   %rax,%xmm0
  call   <cos@plt>
  imul   %eax,%ebx
  mov    -0x28(%rbp),%rax
  movq   %rax,%xmm0
  call   <cos@plt>
  imul   %ebx,%eax
  add    %r12d,%eax
  mov    %eax,%edi
  call   <acos@plt>
  movq   %xmm0,%rax
  mov    %rax,-0x30(%rbp)
  movsd  -0x30(%rbp),%xmm1
  movsd  D26(%rip),%xmm0
  mulsd  %xmm1,%xmm0
  movsd  %xmm0,-0x30(%rbp)
  movsd  -0x30(%rbp),%xmm0
  movq   %xmm0,%rax
  movq   %rax,%xmm0
  add    $0x50,%rsp
  pop    %rbx
  pop    %r12
  pop    %rbp
  ret
```

tool_calls: name: retrieve_data
arguments: data_tag: D37
datatype: f64
name: retrieve_data
arguments: data_tag: D47
datatype: f64
name: retrieve_data
arguments: data_tag: D44
datatype: byte[8]
name: retrieve_data
arguments: data_tag: D26
datatype: byte[8]

tool: D37: 3.1415926

tool: D47: 180

tool: {"D44": [0x18,0x39,0x35,0x9d,0x46,0xdf,0x91,0x3f]}

tool: {"D26": [0xaa,0x9f,0x96,0x22,0xdc,0xa5,0x4c,0x40]}

assistant: ```c
double solar_zenith(int time, int day, double latitude, double longitude, double long_std) {
  double theta = 0, omega = 0, delta = 0, phi = latitude * 3.1415926 / 180.0;
  int lat = LAT(time, day, longitude, long_std);
  delta = 3.1415926 / 180.0 * declination(day);
  omega = 3.1415926 / 180.0 * hour_angle(lat);
  theta = acos(sin(delta) * sin(phi) + cos(delta) * cos(phi) * cos(omega));
  theta *= (180.0 / 3.1415926);
  return theta;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<solar_zenith>:
  endbr64
  push   %r14
  push   %rbp
  push   %rbx
  sub    $0x10,%rsp
  mov    %esi,%ebx
  movapd %xmm1,%xmm3
  movapd %xmm2,%xmm1
  mulsd  D28(%rip),%xmm0
  divsd  D32(%rip),%xmm0
  movsd  %xmm0,0x8(%rsp)
  movapd %xmm3,%xmm0
  call   <LAT@plt>
  mov    %eax,%ebp
  mov    %ebx,%edi
  call   <declination@plt>
  movapd %xmm0,%xmm4
  mulsd  D38(%rip),%xmm4
  movq   %xmm4,%rbx
  mov    %ebp,%edi
  call   <hour_angle@plt>
  movq   %xmm0,%r14
  movq   %rbx,%xmm0
  call   <sin@plt>
  mov    %eax,%ebp
  movsd  0x8(%rsp),%xmm0
  call   <sin@plt>
  imul   %eax,%ebp
  movq   %rbx,%xmm0
  call   <cos@plt>
  mov    %eax,%ebx
  movsd  0x8(%rsp),%xmm0
  call   <cos@plt>
  imul   %eax,%ebx
  movsd  D38(%rip),%xmm0
  movq   %r14,%xmm5
  mulsd  %xmm5,%xmm0
  call   <cos@plt>
  imul   %eax,%ebx
  lea    (%rbx,%rbp,1),%edi
  call   <acos@plt>
  mulsd  D9(%rip),%xmm0
  add    $0x10,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r14
  ret
```

tool_calls: name: unpack_data
arguments: data_tag: D28
type_infered: f64
name: unpack_data
arguments: data_tag: D32
type_infered: f64
name: unpack_data
arguments: data_tag: D38
type_infered: byte[8]
name: unpack_data
arguments: data_tag: D9
type_infered: byte[8]

tool: D28: 3.1415926

tool: D32: 180

tool: {"D38": [0x18,0x39,0x35,0x9d,0x46,0xdf,0x91,0x3f]}

tool: {"D9": [0xaa,0x9f,0x96,0x22,0xdc,0xa5,0x4c,0x40]}

assistant: ```c
double solar_zenith(int time, int day, double latitude, double longitude, double long_std) {
  double theta = 0, omega = 0, delta = 0, phi = latitude * 3.1415926 / 180.0;
  int lat = LAT(time, day, longitude, long_std);
  delta = 3.1415926 / 180.0 * declination(day);
  omega = 3.1415926 / 180.0 * hour_angle(lat);
  theta = acos(sin(delta) * sin(phi) + cos(delta) * cos(phi) * cos(omega));
  theta *= (180.0 / 3.1415926);
  return theta;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<solar_zenith>:
  endbr64
  push   %r12
  movapd %xmm0,%xmm3
  movapd %xmm1,%xmm0
  movapd %xmm2,%xmm1
  push   %rbp
  mov    %esi,%ebp
  push   %rbx
  sub    $0x20,%rsp
  mulsd  D6(%rip),%xmm3
  divsd  D32(%rip),%xmm3
  movsd  %xmm3,0x18(%rsp)
  call   <LAT@plt>
  mov    %ebp,%edi
  mov    %eax,%r12d
  call   <declination@plt>
  movsd  D5(%rip),%xmm1
  mov    %r12d,%edi
  mulsd  %xmm0,%xmm1
  movsd  %xmm1,0x8(%rsp)
  call   <hour_angle@plt>
  movsd  0x8(%rsp),%xmm1
  movsd  %xmm0,(%rsp)
  movapd %xmm1,%xmm0
  movsd  %xmm1,0x10(%rsp)
  call   <sin@plt>
  movsd  0x18(%rsp),%xmm3
  mov    %eax,%ebp
  movapd %xmm3,%xmm0
  movsd  %xmm3,0x8(%rsp)
  call   <sin@plt>
  movsd  0x10(%rsp),%xmm1
  imul   %eax,%ebp
  movapd %xmm1,%xmm0
  call   <cos@plt>
  movsd  0x8(%rsp),%xmm3
  mov    %eax,%ebx
  movapd %xmm3,%xmm0
  call   <cos@plt>
  movsd  D5(%rip),%xmm4
  mulsd  (%rsp),%xmm4
  imul   %eax,%ebx
  movapd %xmm4,%xmm0
  call   <cos@plt>
  imul   %eax,%ebx
  lea    (%rbx,%rbp,1),%edi
  call   <acos@plt>
  mulsd  D10(%rip),%xmm0
  add    $0x20,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

tool_calls: name: disassemble_data
arguments: tag: D6
type: f64
name: disassemble_data
arguments: tag: D32
type: f64
name: disassemble_data
arguments: tag: D5
type: byte[8]
name: disassemble_data
arguments: tag: D10
type: byte[8]

tool: D6: 3.1415926

tool: D32: 180

tool: {"D5": [0x18,0x39,0x35,0x9d,0x46,0xdf,0x91,0x3f]}

tool: {"D10": [0xaa,0x9f,0x96,0x22,0xdc,0xa5,0x4c,0x40]}

assistant: ```c
double solar_zenith(int time, int day, double latitude, double longitude, double long_std) {
  double theta = 0, omega = 0, delta = 0, phi = latitude * 3.1415926 / 180.0;
  int lat = LAT(time, day, longitude, long_std);
  delta = 3.1415926 / 180.0 * declination(day);
  omega = 3.1415926 / 180.0 * hour_angle(lat);
  theta = acos(sin(delta) * sin(phi) + cos(delta) * cos(phi) * cos(omega));
  theta *= (180.0 / 3.1415926);
  return theta;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<solar_zenith>:
  endbr64
  push   %r12
  movapd %xmm0,%xmm3
  movapd %xmm1,%xmm0
  movapd %xmm2,%xmm1
  push   %rbp
  mov    %esi,%ebp
  push   %rbx
  sub    $0x20,%rsp
  mulsd  D27(%rip),%xmm3
  divsd  D13(%rip),%xmm3
  movsd  %xmm3,0x18(%rsp)
  call   <LAT@plt>
  mov    %ebp,%edi
  mov    %eax,%r12d
  call   <declination@plt>
  movsd  D22(%rip),%xmm1
  mov    %r12d,%edi
  mulsd  %xmm0,%xmm1
  movsd  %xmm1,0x8(%rsp)
  call   <hour_angle@plt>
  movsd  0x8(%rsp),%xmm1
  movsd  %xmm0,(%rsp)
  movapd %xmm1,%xmm0
  movsd  %xmm1,0x10(%rsp)
  call   <sin@plt>
  movsd  0x18(%rsp),%xmm3
  mov    %eax,%ebp
  movapd %xmm3,%xmm0
  movsd  %xmm3,0x8(%rsp)
  call   <sin@plt>
  movsd  0x10(%rsp),%xmm1
  imul   %eax,%ebp
  movapd %xmm1,%xmm0
  call   <cos@plt>
  movsd  0x8(%rsp),%xmm3
  mov    %eax,%ebx
  movapd %xmm3,%xmm0
  call   <cos@plt>
  movsd  D22(%rip),%xmm4
  mulsd  (%rsp),%xmm4
  imul   %eax,%ebx
  movapd %xmm4,%xmm0
  call   <cos@plt>
  imul   %eax,%ebx
  lea    (%rbx,%rbp,1),%edi
  call   <acos@plt>
  mulsd  D26(%rip),%xmm0
  add    $0x20,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D27
type_guessed: f64
name: extract_symbolic_data
arguments: data_label: D13
type_guessed: f64
name: extract_symbolic_data
arguments: data_label: D22
type_guessed: byte[8]
name: extract_symbolic_data
arguments: data_label: D26
type_guessed: byte[8]

tool: D27: 3.1415926

tool: D13: 180

tool: {"D22": [0x18,0x39,0x35,0x9d,0x46,0xdf,0x91,0x3f]}

tool: {"D26": [0xaa,0x9f,0x96,0x22,0xdc,0xa5,0x4c,0x40]}

assistant: ```c
double solar_zenith(int time, int day, double latitude, double longitude, double long_std) {
  double theta = 0, omega = 0, delta = 0, phi = latitude * 3.1415926 / 180.0;
  int lat = LAT(time, day, longitude, long_std);
  delta = 3.1415926 / 180.0 * declination(day);
  omega = 3.1415926 / 180.0 * hour_angle(lat);
  theta = acos(sin(delta) * sin(phi) + cos(delta) * cos(phi) * cos(omega));
  theta *= (180.0 / 3.1415926);
  return theta;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  lea    -0x4000(%rsp),%r11
L15:
  sub    $0x1000,%rsp
  orq    $0x0,(%rsp)
  cmp    %r11,%rsp
  jne    L15
  sub    $0xe30,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0x4e30(%rbp),%rax
  lea    D12(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcpy@plt>
  lea    -0x4e30(%rbp),%rax
  mov    %rax,%rsi
  lea    D16(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L12
  call   <__stack_chk_fail@plt>
L12:
  leave
  ret
```

tool_calls: name: disassemble_data
arguments: tag: D12
data_type: string
name: disassemble_data
arguments: tag: D16
data_type: string

tool: D12: paulo

tool: D16: %s

assistant: ```c
int main() {
  char mat[200][100];
  strcpy(mat[0], "paulo");
  printf("%s", mat[0]);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<main>:
  endbr64
  push   %rbx
  lea    -0x4000(%rsp),%r11
L8:
  sub    $0x1000,%rsp
  orq    $0x0,(%rsp)
  cmp    %r11,%rsp
  jne    L8
  sub    $0xe30,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x4e28(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rbx
  lea    D6(%rip),%rsi
  mov    %rbx,%rdi
  call   <strcpy@plt>
  mov    %rbx,%rsi
  lea    D3(%rip),%rdi
  call   <printf@plt>
  mov    0x4e28(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L6
  mov    $0x0,%eax
  add    $0x4e30,%rsp
  pop    %rbx
  ret
L6:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: tag: D6
type: string
name: disassemble_data
arguments: tag: D3
type: string

tool: D6: paulo

tool: D3: %s

assistant: ```c
int main() {
  char mat[200][100];
  strcpy(mat[0], "paulo");
  printf("%s", mat[0]);
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<main>:
  endbr64
  push   %rbp
  lea    -0x4000(%rsp),%r11
L19:
  sub    $0x1000,%rsp
  orq    $0x0,(%rsp)
  cmp    %r11,%rsp
  jne    L19
  sub    $0xe30,%rsp
  lea    D13(%rip),%rsi
  mov    %fs:0x28,%rax
  mov    %rax,0x4e28(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rbp
  mov    %rbp,%rdi
  call   <strcpy@plt>
  mov    %rbp,%rsi
  lea    D18(%rip),%rdi
  call   <printf@plt>
  mov    0x4e28(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L15
  add    $0x4e30,%rsp
  xor    %eax,%eax
  pop    %rbp
  ret
L15:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: data_tag: D13
data_type: string
name: read_data
arguments: data_tag: D18
data_type: string

tool: D13: paulo

tool: D18: %s

assistant: ```c
int main() {
  char mat[200][100];
  strcpy(mat[0], "paulo");
  printf("%s", mat[0]);
}
```
user: Translate the below assembly code into C programming language:

```asm
<main>:
  endbr64
  push   %rbp
  lea    -0x4000(%rsp),%r11
L18:
  sub    $0x1000,%rsp
  orq    $0x0,(%rsp)
  cmp    %r11,%rsp
  jne    L18
  sub    $0xe30,%rsp
  lea    D18(%rip),%rsi
  mov    %fs:0x28,%rax
  mov    %rax,0x4e28(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rbp
  mov    %rbp,%rdi
  call   <strcpy@plt>
  mov    %rbp,%rsi
  lea    D17(%rip),%rdi
  call   <printf@plt>
  mov    0x4e28(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L4
  add    $0x4e30,%rsp
  xor    %eax,%eax
  pop    %rbp
  ret
L4:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D18
data_type: string
name: extract_symbolic_data
arguments: data_label: D17
data_type: string

tool: D18: paulo

tool: D17: %s

assistant: ```c
int main() {
  char mat[200][100];
  strcpy(mat[0], "paulo");
  printf("%s", mat[0]);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<feupdateenv>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0xc(%rbp),%rax
  mov    %rax,%rdi
  call   <fegetenv@plt>
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <fesetenv@plt>
  mov    -0xc(%rbp),%edx
  mov    D7(%rip),%rax
  mov    (%rax),%eax
  and    %edx,%eax
  mov    %eax,%edi
  call   <feraiseexcept@plt>
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L0
  call   <__stack_chk_fail@plt>
L0:
  leave
  ret
```

assistant: ```c
int feupdateenv(const fenv_t *__envp) {
  fexcept_t __fpscr;
  fegetenv(&__fpscr);
  fesetenv(__envp);
  feraiseexcept(__fpscr & FE_ALL_EXCEPT);
  return 0;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<feupdateenv>:
  endbr64
  push   %rbx
  sub    $0x10,%rsp
  mov    %rdi,%rbx
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rdi
  call   <fegetenv@plt>
  mov    %rbx,%rdi
  call   <fesetenv@plt>
  mov    D8(%rip),%rax
  mov    0x4(%rsp),%edi
  and    (%rax),%edi
  call   <feraiseexcept@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L0
  mov    $0x0,%eax
  add    $0x10,%rsp
  pop    %rbx
  ret
L0:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int feupdateenv(const fenv_t *__envp) {
  fexcept_t __fpscr;
  fegetenv(&__fpscr);
  fesetenv(__envp);
  feraiseexcept(__fpscr & FE_ALL_EXCEPT);
  return 0;
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<feupdateenv>:
  endbr64
  push   %rbp
  mov    %rdi,%rbp
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rdi
  call   <fegetenv@plt>
  mov    %rbp,%rdi
  call   <fesetenv@plt>
  mov    D9(%rip),%rax
  mov    0x4(%rsp),%edi
  and    (%rax),%edi
  call   <feraiseexcept@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L8
  add    $0x10,%rsp
  xor    %eax,%eax
  pop    %rbp
  ret
L8:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int feupdateenv(const fenv_t *__envp) {
  fexcept_t __fpscr;
  fegetenv(&__fpscr);
  fesetenv(__envp);
  feraiseexcept(__fpscr & FE_ALL_EXCEPT);
  return 0;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<feupdateenv>:
  endbr64
  push   %rbp
  mov    %rdi,%rbp
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rdi
  call   <fegetenv@plt>
  mov    %rbp,%rdi
  call   <fesetenv@plt>
  mov    D7(%rip),%rax
  mov    0x4(%rsp),%edi
  and    (%rax),%edi
  call   <feraiseexcept@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L5
  add    $0x10,%rsp
  xor    %eax,%eax
  pop    %rbp
  ret
L5:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int feupdateenv(const fenv_t *__envp) {
  fexcept_t __fpscr;
  fegetenv(&__fpscr);
  fesetenv(__envp);
  feraiseexcept(__fpscr & FE_ALL_EXCEPT);
  return 0;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<ft_strlcat>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %edx,-0x24(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <ft_strlen@plt>
  mov    %eax,-0x8(%rbp)
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <ft_strlen@plt>
  mov    %eax,%edx
  mov    -0x8(%rbp),%eax
  add    %edx,%eax
  mov    %eax,-0x10(%rbp)
  mov    -0x24(%rbp),%eax
  cmp    -0x8(%rbp),%eax
  jae    L15
  mov    -0x24(%rbp),%eax
  sub    -0x8(%rbp),%eax
  add    %eax,-0x10(%rbp)
L15:
  mov    -0x8(%rbp),%eax
  mov    %eax,-0x4(%rbp)
  movl   $0x0,-0xc(%rbp)
  jmp    L8
L2:
  mov    -0xc(%rbp),%edx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  mov    -0x4(%rbp),%ecx
  mov    -0xc(%rbp),%edx
  add    %ecx,%edx
  mov    %edx,%ecx
  mov    -0x18(%rbp),%rdx
  add    %rcx,%rdx
  movzbl (%rax),%eax
  mov    %al,(%rdx)
  addl   $0x1,-0xc(%rbp)
L8:
  mov    -0xc(%rbp),%edx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L3
  mov    -0xc(%rbp),%edx
  mov    -0x4(%rbp),%eax
  add    %eax,%edx
  mov    -0x24(%rbp),%eax
  sub    $0x1,%eax
  cmp    %eax,%edx
  jb     L2
L3:
  mov    -0x4(%rbp),%edx
  mov    -0xc(%rbp),%eax
  add    %edx,%eax
  mov    %eax,%edx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  mov    -0x10(%rbp),%eax
  leave
  ret
```

assistant: ```c
unsigned int ft_strlcat(char *dest, char *src, unsigned int size) {
  unsigned int dest_it;
  unsigned int dest_length;
  unsigned int resault;
  unsigned int src_it;
  dest_length = (unsigned int)ft_strlen(dest);
  resault = dest_length + (unsigned int)ft_strlen(src);
  if (size < dest_length)
    resault -= (dest_length - size);
  dest_it = dest_length;
  src_it = 0;
  while (src[src_it] && (src_it + dest_it) < size - 1) {
    dest[dest_it + src_it] = src[src_it];
    src_it++;
  }
  dest[dest_it + src_it] = 0;
  return (resault);
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<ft_strlcat>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%r12
  mov    %rsi,%rbx
  mov    %edx,%r13d
  call   <ft_strlen@plt>
  mov    %rax,%rbp
  mov    %rbx,%rdi
  call   <ft_strlen@plt>
  lea    0x0(%rbp,%rax,1),%edx
  add    %r13d,%eax
  cmp    %ebp,%r13d
  cmovb  %eax,%edx
  mov    %edx,%r8d
  movzbl (%rbx),%edx
  test   %dl,%dl
  je     L27
  lea    -0x1(%r13),%eax
  cmp    %eax,%ebp
  jae    L16
  mov    %ebp,%eax
  lea    (%r12,%rax,1),%rcx
  lea    0x1(%r12,%rax,1),%rdi
  sub    $0x2,%r13d
  sub    %ebp,%r13d
  add    %r13,%rdi
  mov    %rcx,%rax
  mov    $0x1,%esi
  sub    %ecx,%esi
L48:
  mov    %dl,(%rax)
  lea    (%rsi,%rax,1),%ecx
  mov    %ecx,%edx
  movzbl (%rbx,%rdx,1),%edx
  test   %dl,%dl
  je     L31
  add    $0x1,%rax
  cmp    %rdi,%rax
  jne    L48
L31:
  lea    (%rcx,%rbp,1),%eax
  movb   $0x0,(%r12,%rax,1)
  mov    %r8d,%eax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L27:
  mov    $0x0,%ecx
  jmp    L31
L16:
  mov    $0x0,%ecx
  jmp    L31
```

assistant: ```c
unsigned int ft_strlcat(char *dest, char *src, unsigned int size) {
  unsigned int dest_it;
  unsigned int dest_length;
  unsigned int resault;
  unsigned int src_it;
  dest_length = (unsigned int)ft_strlen(dest);
  resault = dest_length + (unsigned int)ft_strlen(src);
  if (size < dest_length)
    resault -= (dest_length - size);
  dest_it = dest_length;
  src_it = 0;
  while (src[src_it] && (src_it + dest_it) < size - 1) {
    dest[dest_it + src_it] = src[src_it];
    src_it++;
  }
  dest[dest_it + src_it] = 0;
  return (resault);
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<ft_strlcat>:
  endbr64
  push   %r13
  mov    %rsi,%r13
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  mov    %edx,%ebp
  push   %rbx
  sub    $0x8,%rsp
  call   <ft_strlen@plt>
  mov    %r13,%rdi
  mov    %rax,%rbx
  call   <ft_strlen@plt>
  movzbl 0x0(%r13),%ecx
  lea    (%rbx,%rax,1),%edx
  add    %ebp,%eax
  cmp    %ebx,%ebp
  cmovb  %eax,%edx
  mov    %edx,%r8d
  test   %cl,%cl
  je     L29
  lea    -0x1(%rbp),%edx
  cmp    %edx,%ebx
  jae    L29
  mov    %ebx,%esi
  mov    $0x1,%edi
  mov    %ebx,%eax
  add    %r12,%rsi
  sub    %ebx,%edi
  jmp    L39
  nopl   0x0(%rax,%rax,1)
L53:
  add    $0x1,%rsi
  cmp    %eax,%edx
  jbe    L44
L39:
  mov    %cl,(%rsi)
  lea    (%rdi,%rax,1),%ecx
  add    $0x1,%eax
  movzbl 0x0(%r13,%rcx,1),%ecx
  test   %cl,%cl
  jne    L53
L44:
  movb   $0x0,(%r12,%rax,1)
  add    $0x8,%rsp
  mov    %r8d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   (%rax)
L29:
  mov    %ebx,%eax
  jmp    L44
```

assistant: ```c
unsigned int ft_strlcat(char *dest, char *src, unsigned int size) {
  unsigned int dest_it;
  unsigned int dest_length;
  unsigned int resault;
  unsigned int src_it;
  dest_length = (unsigned int)ft_strlen(dest);
  resault = dest_length + (unsigned int)ft_strlen(src);
  if (size < dest_length)
    resault -= (dest_length - size);
  dest_it = dest_length;
  src_it = 0;
  while (src[src_it] && (src_it + dest_it) < size - 1) {
    dest[dest_it + src_it] = src[src_it];
    src_it++;
  }
  dest[dest_it + src_it] = 0;
  return (resault);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<ft_strlcat>:
  endbr64
  push   %r13
  mov    %rsi,%r13
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  mov    %edx,%ebp
  push   %rbx
  sub    $0x8,%rsp
  call   <ft_strlen@plt>
  mov    %r13,%rdi
  mov    %rax,%rbx
  call   <ft_strlen@plt>
  movzbl 0x0(%r13),%ecx
  lea    (%rbx,%rax,1),%edx
  add    %ebp,%eax
  cmp    %ebx,%ebp
  cmovb  %eax,%edx
  mov    %edx,%r8d
  test   %cl,%cl
  je     L23
  lea    -0x1(%rbp),%edx
  cmp    %edx,%ebx
  jae    L23
  mov    %ebx,%esi
  mov    $0x1,%edi
  mov    %ebx,%eax
  add    %r12,%rsi
  sub    %ebx,%edi
  jmp    L51
  nopl   0x0(%rax,%rax,1)
L14:
  add    $0x1,%rsi
  cmp    %eax,%edx
  jbe    L34
L51:
  mov    %cl,(%rsi)
  lea    (%rdi,%rax,1),%ecx
  add    $0x1,%eax
  movzbl 0x0(%r13,%rcx,1),%ecx
  test   %cl,%cl
  jne    L14
L34:
  movb   $0x0,(%r12,%rax,1)
  add    $0x8,%rsp
  mov    %r8d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   (%rax)
L23:
  mov    %ebx,%eax
  jmp    L34
```

assistant: ```c
unsigned int ft_strlcat(char *dest, char *src, unsigned int size) {
  unsigned int dest_it;
  unsigned int dest_length;
  unsigned int resault;
  unsigned int src_it;
  dest_length = (unsigned int)ft_strlen(dest);
  resault = dest_length + (unsigned int)ft_strlen(src);
  if (size < dest_length)
    resault -= (dest_length - size);
  dest_it = dest_length;
  src_it = 0;
  while (src[src_it] && (src_it + dest_it) < size - 1) {
    dest[dest_it + src_it] = src[src_it];
    src_it++;
  }
  dest[dest_it + src_it] = 0;
  return (resault);
}
```