ylfeng/ReF-Decompile-dataset huggingface dataset:
user: What would the C source look like for the assembly code provided here?

```asm
<main>:
  endbr64
  push   %rbp
  lea    D26(%rip),%rdi
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbx
  lea    D49(%rip),%rbx
  sub    $0x58,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  call   <printf@plt>
  lea    D36(%rip),%rdi
  call   <printf@plt>
  lea    -0x40(%rbp),%rax
  mov    %rax,-0x78(%rbp)
  lea    -0x48(%rbp),%rax
  mov    %rax,-0x70(%rbp)
  nopl   0x0(%rax,%rax,1)
L68:
  mov    -0x78(%rbp),%rdx
  mov    -0x70(%rbp),%rsi
  xor    %eax,%eax
  lea    D46(%rip),%rdi
  call   <scanf@plt>
  cmp    $0x2,%eax
  jne    L36
  mov    -0x40(%rbp),%rsi
  mov    -0x48(%rbp),%rdi
  mov    %rsp,%rcx
  mov    %rsp,-0x68(%rbp)
  mov    %rsi,%rax
  lea    0x0(,%rsi,4),%r14
  imul   %rdi,%rax
  lea    0xf(,%rax,4),%rax
  mov    %rax,%rdx
  and    $0xfffffffffffff000,%rax
  sub    %rax,%rcx
  and    $0xfffffffffffffff0,%rdx
  cmp    %rcx,%rsp
  je     L3
L10:
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  cmp    %rcx,%rsp
  jne    L10
L3:
  and    $0xfff,%edx
  sub    %rdx,%rsp
  test   %rdx,%rdx
  je     L29
  orq    $0x0,-0x8(%rsp,%rdx,1)
L29:
  mov    %rsp,-0x58(%rbp)
  test   %rdi,%rdi
  je     L21
  shr    $0x2,%r14
  xor    %r13d,%r13d
  xor    %r12d,%r12d
  mov    %r14,-0x60(%rbp)
  nopw   0x0(%rax,%rax,1)
L9:
  mov    -0x58(%rbp),%rax
  xor    %r14d,%r14d
  lea    (%rax,%r13,4),%r15
  test   %rsi,%rsi
  je     L31
  nopl   0x0(%rax,%rax,1)
L87:
  mov    %r15,%rsi
  mov    %rbx,%rdi
  xor    %eax,%eax
  add    $0x1,%r14
  call   <scanf@plt>
  mov    -0x40(%rbp),%rsi
  add    $0x4,%r15
  cmp    %r14,%rsi
  ja     L87
L31:
  mov    -0x48(%rbp),%rdi
  add    $0x1,%r12
  add    -0x60(%rbp),%r13
  cmp    %r12,%rdi
  ja     L9
L21:
  mov    -0x58(%rbp),%rdx
  call   <all_submatrices@plt>
  lea    D36(%rip),%rdi
  call   <printf@plt>
  mov    -0x68(%rbp),%rsp
  jmp    L68
L36:
  mov    -0x38(%rbp),%rax
  sub    %fs:0x28,%rax
  jne    L78
  lea    -0x28(%rbp),%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
L78:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: data_label: D26
datatype: string
name: disassemble_data
arguments: data_label: D49
datatype: string
name: disassemble_data
arguments: data_label: D36
datatype: string
name: disassemble_data
arguments: data_label: D46
datatype: string

tool: D26: Enter the matrix dimensions, followed by the elements.


tool: D49: %d

tool: D36: > 

tool: D46: %zu%zu

assistant: ```c
int main(void) {
  printf("Enter the matrix dimensions, followed by the elements.\n");
  printf("> ");
  size_t N, M;
  while (scanf("%zu%zu", &N, &M) == 2) {
    int matrix[N][M];
    size_t i, j;
    for (i = 0; i < N; i++) {
      for (j = 0; j < M; j++) {
        scanf("%d", &matrix[i][j]);
      }
    }
    all_submatrices(N, M, matrix);
    printf("> ");
  }
  return 0;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<main>:
  endbr64
  push   %rbp
  lea    D20(%rip),%rdi
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbx
  lea    D4(%rip),%rbx
  sub    $0x58,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  call   <printf@plt>
  lea    D33(%rip),%rdi
  call   <printf@plt>
  lea    -0x40(%rbp),%rax
  mov    %rax,-0x70(%rbp)
  lea    -0x48(%rbp),%rax
  mov    %rax,-0x78(%rbp)
  nopl   0x0(%rax,%rax,1)
L62:
  mov    -0x70(%rbp),%rdx
  mov    -0x78(%rbp),%rsi
  xor    %eax,%eax
  lea    D40(%rip),%rdi
  call   <scanf@plt>
  cmp    $0x2,%eax
  jne    L91
  mov    -0x40(%rbp),%rsi
  mov    -0x48(%rbp),%rdi
  mov    %rsp,%rcx
  mov    %rsp,-0x68(%rbp)
  mov    %rsi,%rax
  lea    0x0(,%rsi,4),%r14
  imul   %rdi,%rax
  lea    0xf(,%rax,4),%rax
  mov    %rax,%rdx
  and    $0xfffffffffffff000,%rax
  sub    %rax,%rcx
  and    $0xfffffffffffffff0,%rdx
  cmp    %rcx,%rsp
  je     L98
L44:
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  cmp    %rcx,%rsp
  jne    L44
L98:
  and    $0xfff,%edx
  sub    %rdx,%rsp
  test   %rdx,%rdx
  je     L70
  orq    $0x0,-0x8(%rsp,%rdx,1)
L70:
  mov    %rsp,-0x58(%rbp)
  test   %rdi,%rdi
  je     L82
  shr    $0x2,%r14
  xor    %r13d,%r13d
  xor    %r12d,%r12d
  mov    %r14,-0x60(%rbp)
  test   %rsi,%rsi
  je     L82
  nopw   0x0(%rax,%rax,1)
L21:
  mov    -0x58(%rbp),%rax
  xor    %r14d,%r14d
  lea    (%rax,%r13,4),%r15
  nopl   0x0(%rax,%rax,1)
L23:
  mov    %r15,%rsi
  mov    %rbx,%rdi
  xor    %eax,%eax
  add    $0x1,%r14
  call   <scanf@plt>
  mov    -0x40(%rbp),%rsi
  add    $0x4,%r15
  cmp    %r14,%rsi
  ja     L23
  mov    -0x48(%rbp),%rdi
  add    $0x1,%r12
  cmp    %rdi,%r12
  jae    L82
  add    -0x60(%rbp),%r13
  test   %rsi,%rsi
  jne    L21
L82:
  mov    -0x58(%rbp),%rdx
  call   <all_submatrices@plt>
  lea    D33(%rip),%rdi
  call   <printf@plt>
  mov    -0x68(%rbp),%rsp
  jmp    L62
L91:
  mov    -0x38(%rbp),%rax
  sub    %fs:0x28,%rax
  jne    L68
  lea    -0x28(%rbp),%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
L68:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: tag: D20
data_type: string
name: read_data
arguments: tag: D4
data_type: string
name: read_data
arguments: tag: D33
data_type: string
name: read_data
arguments: tag: D40
data_type: string

tool: D20: Enter the matrix dimensions, followed by the elements.


tool: D4: %d

tool: D33: > 

tool: D40: %zu%zu

assistant: ```c
int main(void) {
  printf("Enter the matrix dimensions, followed by the elements.\n");
  printf("> ");
  size_t N, M;
  while (scanf("%zu%zu", &N, &M) == 2) {
    int matrix[N][M];
    size_t i, j;
    for (i = 0; i < N; i++) {
      for (j = 0; j < M; j++) {
        scanf("%d", &matrix[i][j]);
      }
    }
    all_submatrices(N, M, matrix);
    printf("> ");
  }
  return 0;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<UAX_Asm_RegIsXmmP>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  and    $0xf0,%eax
  cmp    $0x40,%eax
  jne    L10
  mov    $0x1,%eax
  jmp    L15
L10:
  mov    $0x0,%eax
L15:
  pop    %rbp
  ret
```

assistant: ```c
int UAX_Asm_RegIsXmmP(int reg) {
  if ((reg & 0xF0) == 0x40)
    return (1);
  return (0);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<UAX_Asm_RegIsXmmP>:
  endbr64
  and    $0xf0,%edi
  cmp    $0x40,%edi
  sete   %al
  movzbl %al,%eax
  ret
```

assistant: ```c
int UAX_Asm_RegIsXmmP(int reg) {
  if ((reg & 0xF0) == 0x40)
    return (1);
  return (0);
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<UAX_Asm_RegIsXmmP>:
  endbr64
  and    $0xf0,%edi
  xor    %eax,%eax
  cmp    $0x40,%edi
  sete   %al
  ret
```

assistant: ```c
int UAX_Asm_RegIsXmmP(int reg) {
  if ((reg & 0xF0) == 0x40)
    return (1);
  return (0);
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<UAX_Asm_RegIsXmmP>:
  endbr64
  and    $0xf0,%edi
  xor    %eax,%eax
  cmp    $0x40,%edi
  sete   %al
  ret
```

assistant: ```c
int UAX_Asm_RegIsXmmP(int reg) {
  if ((reg & 0xF0) == 0x40)
    return (1);
  return (0);
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<__hsail_sat_mul_s16>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    -0x18(%rbp),%rax
  imul   -0x20(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  mov    D0(%rip),%rax
  mov    (%rax),%rax
  cmp    %rax,-0x8(%rbp)
  jle    L16
  mov    D0(%rip),%rax
  mov    (%rax),%rax
  jmp    L23
L16:
  mov    D15(%rip),%rax
  mov    (%rax),%rax
  cmp    %rax,-0x8(%rbp)
  jge    L15
  mov    D15(%rip),%rax
  mov    (%rax),%rax
  jmp    L23
L15:
  mov    -0x8(%rbp),%rax
L23:
  pop    %rbp
  ret
```

assistant: ```c
int16_t __hsail_sat_mul_s16(int16_t a, int16_t b) {
  int32_t c = (int32_t)a * (int32_t)b;
  if (c > INT16_MAX)
    return INT16_MAX;
  else if (c < INT16_MIN)
    return INT16_MIN;
  else
    return c;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<__hsail_sat_mul_s16>:
  endbr64
  imul   %rsi,%rdi
  mov    D6(%rip),%rax
  mov    (%rax),%rax
  cmp    %rdi,%rax
  jl     L8
  mov    D2(%rip),%rax
  mov    (%rax),%rax
  cmp    %rax,%rdi
  cmovge %rdi,%rax
L8:
  ret
```

assistant: ```c
int16_t __hsail_sat_mul_s16(int16_t a, int16_t b) {
  int32_t c = (int32_t)a * (int32_t)b;
  if (c > INT16_MAX)
    return INT16_MAX;
  else if (c < INT16_MIN)
    return INT16_MIN;
  else
    return c;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<__hsail_sat_mul_s16>:
  endbr64
  mov    D0(%rip),%rax
  imul   %rsi,%rdi
  mov    (%rax),%rax
  cmp    %rdi,%rax
  jl     L9
  mov    D3(%rip),%rax
  mov    (%rax),%rax
  cmp    %rax,%rdi
  cmovge %rdi,%rax
L9:
  ret
```

assistant: ```c
int16_t __hsail_sat_mul_s16(int16_t a, int16_t b) {
  int32_t c = (int32_t)a * (int32_t)b;
  if (c > INT16_MAX)
    return INT16_MAX;
  else if (c < INT16_MIN)
    return INT16_MIN;
  else
    return c;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<__hsail_sat_mul_s16>:
  endbr64
  mov    D12(%rip),%rax
  imul   %rsi,%rdi
  mov    (%rax),%rax
  cmp    %rdi,%rax
  jl     L3
  mov    D6(%rip),%rax
  mov    (%rax),%rax
  cmp    %rax,%rdi
  cmovge %rdi,%rax
L3:
  ret
```

assistant: ```c
int16_t __hsail_sat_mul_s16(int16_t a, int16_t b) {
  int32_t c = (int32_t)a * (int32_t)b;
  if (c > INT16_MAX)
    return INT16_MAX;
  else if (c < INT16_MIN)
    return INT16_MIN;
  else
    return c;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  lea    D6(%rip),%r8
  mov    $0x14,%ecx
  mov    $0x20,%edx
  mov    $0xa,%esi
  mov    $0x8,%edi
  call   <print_string@plt>
  mov    $0x2,%edi
  call   <irq_enable@plt>
L8:
  mov    $0x0,%eax
  call   <vdc_wait_vsync@plt>
  jmp    L8
```

tool_calls: name: extract_symbolic_data
arguments: tag: D6
type_guessed: string

tool: D6: Hello world!

assistant: ```c
void main() {
  print_string(8, 10, 32, 20, "Hello world!");
  irq_enable((1 << 1));
  for (;;) {
    vdc_wait_vsync();
  }
}
```
user: What is the c source code of the assembly code below?

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  lea    D3(%rip),%r8
  mov    $0x14,%ecx
  mov    $0x20,%edx
  mov    $0xa,%esi
  mov    $0x8,%edi
  call   <print_string@plt>
  mov    $0x2,%edi
  call   <irq_enable@plt>
L3:
  mov    $0x0,%eax
  call   <vdc_wait_vsync@plt>
  jmp    L3
```

tool_calls: name: extract_symbolic_data
arguments: label: D3
data_type: string

tool: D3: Hello world!

assistant: ```c
void main() {
  print_string(8, 10, 32, 20, "Hello world!");
  irq_enable((1 << 1));
  for (;;) {
    vdc_wait_vsync();
  }
}
```
user: What is the c source code of the assembly code below:

```asm
<main>:
  endbr64
  mov    $0x8,%edi
  sub    $0x8,%rsp
  mov    $0x14,%ecx
  mov    $0x20,%edx
  lea    D8(%rip),%r8
  mov    $0xa,%esi
  call   <print_string@plt>
  mov    $0x2,%edi
  call   <irq_enable@plt>
  nopw   0x0(%rax,%rax,1)
L0:
  xor    %eax,%eax
  call   <vdc_wait_vsync@plt>
  jmp    L0
```

tool_calls: name: unpack_data
arguments: data_label: D8
datatype: string

tool: D8: Hello world!

assistant: ```c
void main() {
  print_string(8, 10, 32, 20, "Hello world!");
  irq_enable((1 << 1));
  for (;;) {
    vdc_wait_vsync();
  }
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<main>:
  endbr64
  mov    $0x8,%edi
  sub    $0x8,%rsp
  mov    $0x14,%ecx
  mov    $0x20,%edx
  lea    D2(%rip),%r8
  mov    $0xa,%esi
  call   <print_string@plt>
  mov    $0x2,%edi
  call   <irq_enable@plt>
  nopw   0x0(%rax,%rax,1)
L9:
  xor    %eax,%eax
  call   <vdc_wait_vsync@plt>
  jmp    L9
```

tool_calls: name: disassemble_data
arguments: tag: D2
data_type: string

tool: D2: Hello world!

assistant: ```c
void main() {
  print_string(8, 10, 32, 20, "Hello world!");
  irq_enable((1 << 1));
  for (;;) {
    vdc_wait_vsync();
  }
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<filesize>:
  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    -0x10(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <stat@plt>
  test   %rax,%rax
  js     L29
  mov    -0x10(%rbp),%rax
  jmp    L19
L29:
  mov    $0x0,%eax
L19:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L27
  call   <__stack_chk_fail@plt>
L27:
  leave
  ret
```

assistant: ```c
size_t filesize(const char *file) {
  struct stat st;
  if (stat(file, &st) >= 0)
    return st.st_size;
  return 0;
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<filesize>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rsi
  call   <stat@plt>
  test   %rax,%rax
  mov    $0x0,%eax
  cmovns (%rsp),%rax
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L5
  add    $0x18,%rsp
  ret
L5:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
size_t filesize(const char *file) {
  struct stat st;
  if (stat(file, &st) >= 0)
    return st.st_size;
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<filesize>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rsi
  call   <stat@plt>
  test   %rax,%rax
  mov    $0x0,%eax
  cmovns (%rsp),%rax
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L4
  add    $0x18,%rsp
  ret
L4:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
size_t filesize(const char *file) {
  struct stat st;
  if (stat(file, &st) >= 0)
    return st.st_size;
  return 0;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<filesize>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rsi
  call   <stat@plt>
  test   %rax,%rax
  mov    $0x0,%eax
  cmovns (%rsp),%rax
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L4
  add    $0x18,%rsp
  ret
L4:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
size_t filesize(const char *file) {
  struct stat st;
  if (stat(file, &st) >= 0)
    return st.st_size;
  return 0;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<rsock_tcp_optname_to_int>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    %rdx,-0x18(%rbp)
  mov    -0x10(%rbp),%rax
  sub    $0x4,%rax
  cmp    $0x14,%rax
  ja     L18
  lea    0x0(,%rax,4),%rdx
  lea    D16(%rip),%rax
  mov    (%rdx,%rax,1),%eax
  cltq
  lea    D16(%rip),%rdx
  add    %rdx,%rax
  notrack jmp *%rax
  mov    $0xffffffff,%eax
  jmp    L60
  mov    $0xffffffff,%eax
  jmp    L60
  mov    $0xffffffff,%eax
  jmp    L60
  mov    $0xffffffff,%eax
  jmp    L60
  mov    $0xffffffff,%eax
  jmp    L60
  mov    $0xffffffff,%eax
  jmp    L60
  mov    $0xffffffff,%eax
  jmp    L60
  mov    $0xffffffff,%eax
  jmp    L60
  mov    $0xffffffff,%eax
  jmp    L60
  mov    $0xffffffff,%eax
  jmp    L60
  mov    $0xffffffff,%eax
  jmp    L60
  mov    $0xffffffff,%eax
  jmp    L60
  mov    $0xffffffff,%eax
  jmp    L60
  mov    $0xffffffff,%eax
  jmp    L60
  mov    $0xffffffff,%eax
  jmp    L60
  mov    $0xffffffff,%eax
  jmp    L60
  mov    $0xffffffff,%eax
  jmp    L60
  mov    $0xffffffff,%eax
  jmp    L60
L18:
  mov    $0xffffffff,%eax
L60:
  pop    %rbp
  ret
```

assistant: ```c
int rsock_tcp_optname_to_int(const char *str, long len, int *valp) {
  switch (len) {
  case 4:
    return -1;
  case 5:
    return -1;
  case 6:
    return -1;
  case 7:
    return -1;
  case 8:
    return -1;
  case 9:
    return -1;
  case 10:
    return -1;
  case 11:
    return -1;
  case 12:
    return -1;
  case 13:
    return -1;
  case 14:
    return -1;
  case 15:
    return -1;
  case 16:
    return -1;
  case 18:
    return -1;
  case 19:
    return -1;
  case 20:
    return -1;
  case 23:
    return -1;
  case 24:
    return -1;
  default:
    return -1;
  }
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<rsock_tcp_optname_to_int>:
  endbr64
  mov    $0xffffffff,%eax
  ret
```

assistant: ```c
int rsock_tcp_optname_to_int(const char *str, long len, int *valp) {
  switch (len) {
  case 4:
    return -1;
  case 5:
    return -1;
  case 6:
    return -1;
  case 7:
    return -1;
  case 8:
    return -1;
  case 9:
    return -1;
  case 10:
    return -1;
  case 11:
    return -1;
  case 12:
    return -1;
  case 13:
    return -1;
  case 14:
    return -1;
  case 15:
    return -1;
  case 16:
    return -1;
  case 18:
    return -1;
  case 19:
    return -1;
  case 20:
    return -1;
  case 23:
    return -1;
  case 24:
    return -1;
  default:
    return -1;
  }
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<rsock_tcp_optname_to_int>:
  endbr64
  mov    $0xffffffff,%eax
  ret
```

assistant: ```c
int rsock_tcp_optname_to_int(const char *str, long len, int *valp) {
  switch (len) {
  case 4:
    return -1;
  case 5:
    return -1;
  case 6:
    return -1;
  case 7:
    return -1;
  case 8:
    return -1;
  case 9:
    return -1;
  case 10:
    return -1;
  case 11:
    return -1;
  case 12:
    return -1;
  case 13:
    return -1;
  case 14:
    return -1;
  case 15:
    return -1;
  case 16:
    return -1;
  case 18:
    return -1;
  case 19:
    return -1;
  case 20:
    return -1;
  case 23:
    return -1;
  case 24:
    return -1;
  default:
    return -1;
  }
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<rsock_tcp_optname_to_int>:
  endbr64
  mov    $0xffffffff,%eax
  ret
```

assistant: ```c
int rsock_tcp_optname_to_int(const char *str, long len, int *valp) {
  switch (len) {
  case 4:
    return -1;
  case 5:
    return -1;
  case 6:
    return -1;
  case 7:
    return -1;
  case 8:
    return -1;
  case 9:
    return -1;
  case 10:
    return -1;
  case 11:
    return -1;
  case 12:
    return -1;
  case 13:
    return -1;
  case 14:
    return -1;
  case 15:
    return -1;
  case 16:
    return -1;
  case 18:
    return -1;
  case 19:
    return -1;
  case 20:
    return -1;
  case 23:
    return -1;
  case 24:
    return -1;
  default:
    return -1;
  }
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<ft_atoi>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  cmpq   $0x0,-0x18(%rbp)
  jne    L134
  mov    $0x0,%eax
  jmp    L96
L134:
  movl   $0x1,-0x8(%rbp)
  movl   $0x0,-0xc(%rbp)
  movl   $0x0,-0x4(%rbp)
  jmp    L5
L91:
  addl   $0x1,-0xc(%rbp)
L5:
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x20,%al
  je     L91
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0xc,%al
  je     L91
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0xa,%al
  je     L91
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0xd,%al
  je     L91
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x9,%al
  je     L91
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0xb,%al
  je     L91
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x2d,%al
  je     L126
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x2b,%al
  jne    L115
L126:
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x2d,%al
  jne    L92
  movl   $0xffffffff,-0x8(%rbp)
L92:
  addl   $0x1,-0xc(%rbp)
  jmp    L115
L86:
  mov    -0x4(%rbp),%edx
  mov    %edx,%eax
  shl    $0x2,%eax
  add    %edx,%eax
  add    %eax,%eax
  mov    %eax,%ecx
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  sub    $0x30,%eax
  add    %ecx,%eax
  mov    %eax,-0x4(%rbp)
  addl   $0x1,-0xc(%rbp)
L115:
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x2f,%al
  jle    L3
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x39,%al
  jle    L86
L3:
  mov    -0x4(%rbp),%eax
  imul   -0x8(%rbp),%eax
L96:
  pop    %rbp
  ret
```

assistant: ```c
int ft_atoi(const char *str) {
  int i;
  int sign;
  int result;
  if (str == NULL)
    return (0);
  sign = 1;
  i = 0;
  result = 0;
  while (str[i] == ' ' || str[i] == '\f' || str[i] == '\n' || str[i] == '\r' || str[i] == '\t' || str[i] == '\v')
    i++;
  if (str[i] == '-' || str[i] == '+') {
    if (str[i] == '-')
      sign = -1;
    i++;
  }
  while (str[i] >= '0' && str[i] <= '9') {
    result = 10 * result + (str[i] - '0');
    i++;
  }
  return (result * sign);
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<ft_atoi>:
  endbr64
  test   %rdi,%rdi
  je     L24
  movzbl (%rdi),%edx
  lea    -0x9(%rdx),%eax
  cmp    $0x4,%al
  jbe    L70
  cmp    $0x20,%dl
  jne    L80
L70:
  mov    $0x1,%eax
L50:
  mov    %eax,%esi
  movzbl (%rdi,%rax,1),%edx
  add    $0x1,%rax
  lea    -0x9(%rdx),%ecx
  cmp    $0x4,%cl
  jbe    L50
  cmp    $0x20,%dl
  je     L50
L82:
  lea    -0x2b(%rdx),%ecx
  mov    $0x1,%eax
  test   $0xfd,%cl
  jne    L8
  cmp    $0x2d,%dl
  setne  %al
  movzbl %al,%eax
  lea    -0x1(%rax,%rax,1),%eax
  add    $0x1,%esi
L8:
  movslq %esi,%rsi
  movzbl (%rdi,%rsi,1),%edx
  lea    -0x30(%rdx),%r8d
  lea    0x1(%rdi,%rsi,1),%rsi
  mov    $0x0,%ecx
  cmp    $0x9,%r8b
  ja     L13
L71:
  lea    (%rcx,%rcx,4),%ecx
  movsbl %dl,%edx
  lea    -0x30(%rdx,%rcx,2),%ecx
  movzbl (%rsi),%edx
  add    $0x1,%rsi
  lea    -0x30(%rdx),%edi
  cmp    $0x9,%dil
  jbe    L71
L13:
  imul   %ecx,%eax
  ret
L80:
  mov    $0x0,%esi
  jmp    L82
L24:
  mov    $0x0,%eax
  ret
```

assistant: ```c
int ft_atoi(const char *str) {
  int i;
  int sign;
  int result;
  if (str == NULL)
    return (0);
  sign = 1;
  i = 0;
  result = 0;
  while (str[i] == ' ' || str[i] == '\f' || str[i] == '\n' || str[i] == '\r' || str[i] == '\t' || str[i] == '\v')
    i++;
  if (str[i] == '-' || str[i] == '+') {
    if (str[i] == '-')
      sign = -1;
    i++;
  }
  while (str[i] >= '0' && str[i] <= '9') {
    result = 10 * result + (str[i] - '0');
    i++;
  }
  return (result * sign);
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<ft_atoi>:
  endbr64
  test   %rdi,%rdi
  je     L57
  movzbl (%rdi),%edx
  lea    -0x9(%rdx),%eax
  cmp    $0x4,%al
  jbe    L63
  cmp    $0x20,%dl
  jne    L12
L63:
  mov    $0x1,%eax
  nopl   (%rax)
L56:
  movzbl (%rdi,%rax,1),%edx
  mov    %eax,%esi
  add    $0x1,%rax
  lea    -0x9(%rdx),%ecx
  cmp    $0x4,%cl
  jbe    L56
  cmp    $0x20,%dl
  je     L56
L85:
  lea    -0x2b(%rdx),%eax
  mov    $0x1,%r8d
  test   $0xfd,%al
  je     L55
L9:
  movslq %esi,%rsi
  xor    %eax,%eax
  movzbl (%rdi,%rsi,1),%edx
  lea    0x1(%rdi,%rsi,1),%rcx
  lea    -0x30(%rdx),%r9d
  cmp    $0x9,%r9b
  ja     L18
  nopl   0x0(%rax)
L3:
  sub    $0x30,%edx
  lea    (%rax,%rax,4),%eax
  add    $0x1,%rcx
  movsbl %dl,%edx
  lea    (%rdx,%rax,2),%eax
  movzbl -0x1(%rcx),%edx
  lea    -0x30(%rdx),%esi
  cmp    $0x9,%sil
  jbe    L3
  imul   %r8d,%eax
  ret
L55:
  xor    %r8d,%r8d
  cmp    $0x2d,%dl
  setne  %r8b
  add    $0x1,%esi
  lea    -0x1(%r8,%r8,1),%r8d
  jmp    L9
L57:
  xor    %eax,%eax
  ret
L18:
  ret
L12:
  xor    %esi,%esi
  jmp    L85
```

assistant: ```c
int ft_atoi(const char *str) {
  int i;
  int sign;
  int result;
  if (str == NULL)
    return (0);
  sign = 1;
  i = 0;
  result = 0;
  while (str[i] == ' ' || str[i] == '\f' || str[i] == '\n' || str[i] == '\r' || str[i] == '\t' || str[i] == '\v')
    i++;
  if (str[i] == '-' || str[i] == '+') {
    if (str[i] == '-')
      sign = -1;
    i++;
  }
  while (str[i] >= '0' && str[i] <= '9') {
    result = 10 * result + (str[i] - '0');
    i++;
  }
  return (result * sign);
}
```