ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 这段汇编代码用C语言表示是什么样的?

```asm
<separator_or>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  mov    %rdx,%rbp
  push   %rbx
  sub    $0x8,%rsp
  test   %rsi,%rsi
  je     L2
  xor    %r12d,%r12d
  cmp    $0x1,%ecx
  je     L45
  mov    %rsi,%rbx
  mov    (%rdi),%rsi
  mov    %rdi,%rdx
  mov    %rbp,%rdi
  mov    $0x1,%r12d
  call   <my_exec@plt>
  test   %eax,%eax
  jne    L29
L45:
  add    $0x8,%rsp
  mov    %r12d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopw   0x0(%rax,%rax,1)
L29:
  lea    D3(%rip),%r13
  mov    %r13,%rdi
  call   <my_putstr@plt>
  mov    (%rbx),%rsi
  mov    %rbx,%rdx
  mov    %rbp,%rdi
  call   <my_exec@plt>
  mov    %eax,%r12d
  cmp    $0x1,%eax
  je     L0
  add    $0x8,%rsp
  mov    $0x5,%r12d
  pop    %rbx
  mov    %r12d,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax)
L2:
  mov    (%rdi),%rsi
  mov    %rdi,%rdx
  mov    %rbp,%rdi
  xor    %r12d,%r12d
  call   <my_exec@plt>
  jmp    L45
  nopl   0x0(%rax,%rax,1)
L0:
  mov    %r13,%rdi
  call   <my_putstr@plt>
  jmp    L45
```

tool_calls: name: retrieve_data
arguments: data_label: D3
datatype: string

tool: D3: 42sh : Command not found


assistant: ```c
int separator_or(char **s1, char **s2, char **env, int point) {
  if (s2 == NULL) {
    my_exec(env, s1[0], s1);
    return (0);
  }
  if (point == 1)
    return (0);
  else {
    if ((my_exec(env, s1[0], s1) == 0))
      return (1);
    else {
      my_putstr("42sh : Command not found\n");
      if ((my_exec(env, s2[0], s2)) == 1) {
        my_putstr("42sh : Command not found\n");
        return (1);
      }
    }
  }
  return (5);
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<separator_or>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  mov    %rdx,%rbp
  push   %rbx
  sub    $0x8,%rsp
  test   %rsi,%rsi
  je     L53
  xor    %r12d,%r12d
  cmp    $0x1,%ecx
  je     L9
  mov    %rsi,%rbx
  mov    (%rdi),%rsi
  mov    %rdi,%rdx
  mov    %rbp,%rdi
  mov    $0x1,%r12d
  call   <my_exec@plt>
  test   %eax,%eax
  jne    L16
L9:
  add    $0x8,%rsp
  mov    %r12d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopw   0x0(%rax,%rax,1)
L16:
  lea    D8(%rip),%r13
  mov    %r13,%rdi
  call   <my_putstr@plt>
  mov    (%rbx),%rsi
  mov    %rbx,%rdx
  mov    %rbp,%rdi
  call   <my_exec@plt>
  mov    %eax,%r12d
  cmp    $0x1,%eax
  je     L30
  add    $0x8,%rsp
  mov    $0x5,%r12d
  pop    %rbx
  mov    %r12d,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax)
L53:
  mov    (%rdi),%rsi
  mov    %rdi,%rdx
  mov    %rbp,%rdi
  xor    %r12d,%r12d
  call   <my_exec@plt>
  jmp    L9
  nopl   0x0(%rax,%rax,1)
L30:
  mov    %r13,%rdi
  call   <my_putstr@plt>
  jmp    L9
```

tool_calls: name: unpack_data
arguments: data_tag: D8
type_infered: string

tool: D8: 42sh : Command not found


assistant: ```c
int separator_or(char **s1, char **s2, char **env, int point) {
  if (s2 == NULL) {
    my_exec(env, s1[0], s1);
    return (0);
  }
  if (point == 1)
    return (0);
  else {
    if ((my_exec(env, s1[0], s1) == 0))
      return (1);
    else {
      my_putstr("42sh : Command not found\n");
      if ((my_exec(env, s2[0], s2)) == 1) {
        my_putstr("42sh : Command not found\n");
        return (1);
      }
    }
  }
  return (5);
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<recover_cached_2d_array_point_>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  mov    %rcx,-0x30(%rbp)
  mov    %r8,-0x38(%rbp)
  mov    %r9,-0x40(%rbp)
  mov    -0x40(%rbp),%rax
  mov    (%rax),%rax
  mov    %rax,-0x8(%rbp)
  mov    -0x38(%rbp),%rax
  mov    (%rax),%eax
  lea    -0x1(%rax),%edx
  mov    -0x20(%rbp),%rax
  mov    (%rax),%eax
  imul   %eax,%edx
  mov    -0x30(%rbp),%rax
  mov    (%rax),%eax
  sub    $0x1,%eax
  add    %edx,%eax
  mov    %eax,-0xc(%rbp)
  mov    -0xc(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  movsd  (%rax),%xmm0
  mov    -0x18(%rbp),%rax
  movsd  %xmm0,(%rax)
  nop
  pop    %rbp
  ret
```

assistant: ```c
void recover_cached_2d_array_point_(double *array, int *dim1, int *dim2, int *i, int *j, double **pointer_val) {
  double *ptr;
  int index;
  ptr = *pointer_val;
  index = (*j - 1) * *dim1 + (*i - 1);
  array[0] = ptr[index];
  return;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<recover_cached_2d_array_point_>:
  endbr64
  mov    (%r8),%eax
  sub    $0x1,%eax
  imul   (%rsi),%eax
  mov    (%rcx),%edx
  lea    -0x1(%rax,%rdx,1),%eax
  cltq
  mov    (%r9),%rdx
  movsd  (%rdx,%rax,8),%xmm0
  movsd  %xmm0,(%rdi)
  ret
```

assistant: ```c
void recover_cached_2d_array_point_(double *array, int *dim1, int *dim2, int *i, int *j, double **pointer_val) {
  double *ptr;
  int index;
  ptr = *pointer_val;
  index = (*j - 1) * *dim1 + (*i - 1);
  array[0] = ptr[index];
  return;
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<recover_cached_2d_array_point_>:
  endbr64
  mov    (%r8),%eax
  mov    (%rcx),%edx
  sub    $0x1,%eax
  imul   (%rsi),%eax
  lea    -0x1(%rax,%rdx,1),%eax
  mov    (%r9),%rdx
  cltq
  movsd  (%rdx,%rax,8),%xmm0
  movsd  %xmm0,(%rdi)
  ret
```

assistant: ```c
void recover_cached_2d_array_point_(double *array, int *dim1, int *dim2, int *i, int *j, double **pointer_val) {
  double *ptr;
  int index;
  ptr = *pointer_val;
  index = (*j - 1) * *dim1 + (*i - 1);
  array[0] = ptr[index];
  return;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<recover_cached_2d_array_point_>:
  endbr64
  mov    (%r8),%eax
  mov    (%rcx),%edx
  sub    $0x1,%eax
  imul   (%rsi),%eax
  lea    -0x1(%rax,%rdx,1),%eax
  mov    (%r9),%rdx
  cltq
  movsd  (%rdx,%rax,8),%xmm0
  movsd  %xmm0,(%rdi)
  ret
```

assistant: ```c
void recover_cached_2d_array_point_(double *array, int *dim1, int *dim2, int *i, int *j, double **pointer_val) {
  double *ptr;
  int index;
  ptr = *pointer_val;
  index = (*j - 1) * *dim1 + (*i - 1);
  array[0] = ptr[index];
  return;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<memcpy>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  cmpq   $0x0,-0x18(%rbp)
  je     L7
  cmpq   $0x0,-0x20(%rbp)
  je     L7
  movl   $0x0,-0x4(%rbp)
  jmp    L8
L35:
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  mov    -0x4(%rbp),%edx
  movslq %edx,%rcx
  mov    -0x18(%rbp),%rdx
  add    %rcx,%rdx
  movzbl (%rax),%eax
  mov    %al,(%rdx)
  addl   $0x1,-0x4(%rbp)
L8:
  mov    -0x4(%rbp),%eax
  cltq
  cmp    %rax,-0x28(%rbp)
  ja     L35
L7:
  mov    -0x18(%rbp),%rax
  pop    %rbp
  ret
```

assistant: ```c
void *memcpy(void *dest, const void *src, size_t n) {
  if (dest != NULL && src != NULL) {
    for (int i = 0; i < n; i++) {
      ((char *)dest)[i] = ((char *)src)[i];
    }
  }
  return dest;
}
```
user: What is the c source code of the assembly code below?

```asm
<memcpy>:
  endbr64
  mov    %rdi,%rax
  test   %rdx,%rdx
  je     L8
  mov    $0x0,%ecx
L16:
  movzbl (%rsi,%rcx,1),%r8d
  mov    %r8b,(%rax,%rcx,1)
  add    $0x1,%rcx
  cmp    %rdx,%rcx
  jne    L16
L8:
  ret
```

assistant: ```c
void *memcpy(void *dest, const void *src, size_t n) {
  if (dest != NULL && src != NULL) {
    for (int i = 0; i < n; i++) {
      ((char *)dest)[i] = ((char *)src)[i];
    }
  }
  return dest;
}
```
user: What is the c source code of the assembly code below?

```asm
<memcpy>:
  endbr64
  mov    %rdi,%rax
  test   %rdx,%rdx
  je     L9
  xor    %ecx,%ecx
  xchg   %ax,%ax
L18:
  movzbl (%rsi,%rcx,1),%r8d
  mov    %r8b,(%rax,%rcx,1)
  add    $0x1,%rcx
  cmp    %rdx,%rcx
  jne    L18
L9:
  ret
```

assistant: ```c
void *memcpy(void *dest, const void *src, size_t n) {
  if (dest != NULL && src != NULL) {
    for (int i = 0; i < n; i++) {
      ((char *)dest)[i] = ((char *)src)[i];
    }
  }
  return dest;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<memcpy>:
  endbr64
  mov    %rdi,%r8
  mov    %rsi,%rcx
  test   %rdx,%rdx
  je     L118
  lea    0x1(%rsi),%rdi
  mov    %r8,%rsi
  lea    -0x1(%rdx),%rax
  sub    %rdi,%rsi
  cmp    $0xe,%rsi
  jbe    L58
  cmp    $0x6,%rax
  jbe    L58
  cmp    $0xe,%rax
  jbe    L71
  mov    %rdx,%rsi
  xor    %eax,%eax
  and    $0xfffffffffffffff0,%rsi
  nopl   0x0(%rax,%rax,1)
L144:
  movdqu (%rcx,%rax,1),%xmm0
  movups %xmm0,(%r8,%rax,1)
  add    $0x10,%rax
  cmp    %rsi,%rax
  jne    L144
  mov    %rdx,%rax
  and    $0xfffffffffffffff0,%rax
  mov    %eax,%esi
  cmp    %rax,%rdx
  je     L118
  mov    %rdx,%r9
  sub    %rax,%r9
  lea    -0x1(%r9),%rdi
  cmp    $0x6,%rdi
  jbe    L21
L151:
  mov    (%rcx,%rax,1),%rdi
  mov    %rdi,(%r8,%rax,1)
  mov    %r9,%rdi
  and    $0xfffffffffffffff8,%rdi
  add    %rdi,%rax
  add    %edi,%esi
  cmp    %rdi,%r9
  je     L118
L21:
  movzbl (%rcx,%rax,1),%edi
  mov    %dil,(%r8,%rax,1)
  lea    0x1(%rsi),%eax
  cltq
  cmp    %rax,%rdx
  jbe    L118
  movzbl (%rcx,%rax,1),%edi
  mov    %dil,(%r8,%rax,1)
  lea    0x2(%rsi),%eax
  cltq
  cmp    %rax,%rdx
  jbe    L118
  movzbl (%rcx,%rax,1),%edi
  mov    %dil,(%r8,%rax,1)
  lea    0x3(%rsi),%eax
  cltq
  cmp    %rax,%rdx
  jbe    L118
  movzbl (%rcx,%rax,1),%edi
  mov    %dil,(%r8,%rax,1)
  lea    0x4(%rsi),%eax
  cltq
  cmp    %rax,%rdx
  jbe    L118
  movzbl (%rcx,%rax,1),%edi
  mov    %dil,(%r8,%rax,1)
  lea    0x5(%rsi),%eax
  cltq
  cmp    %rax,%rdx
  jbe    L118
  movzbl (%rcx,%rax,1),%edi
  add    $0x6,%esi
  movslq %esi,%rsi
  mov    %dil,(%r8,%rax,1)
  cmp    %rsi,%rdx
  jbe    L118
  movzbl (%rcx,%rsi,1),%eax
  mov    %al,(%r8,%rsi,1)
L118:
  mov    %r8,%rax
  ret
  nopw   0x0(%rax,%rax,1)
L58:
  xor    %eax,%eax
  nopw   0x0(%rax,%rax,1)
L13:
  movzbl (%rcx,%rax,1),%esi
  mov    %sil,(%r8,%rax,1)
  add    $0x1,%rax
  cmp    %rax,%rdx
  jne    L13
  mov    %r8,%rax
  ret
L71:
  mov    %rdx,%r9
  xor    %esi,%esi
  xor    %eax,%eax
  jmp    L151
```

assistant: ```c
void *memcpy(void *dest, const void *src, size_t n) {
  if (dest != NULL && src != NULL) {
    for (int i = 0; i < n; i++) {
      ((char *)dest)[i] = ((char *)src)[i];
    }
  }
  return dest;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  movw   $0x1234,-0x14(%rbp)
  movq   $0x12345678,-0x10(%rbp)
  movzwl -0x14(%rbp),%eax
  mov    %eax,%edi
  call   <htons@plt>
  mov    %ax,-0x12(%rbp)
  mov    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <htonl@plt>
  mov    %rax,-0x8(%rbp)
  movzwl -0x14(%rbp),%eax
  mov    %rax,%rsi
  lea    D5(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  movzwl -0x12(%rbp),%eax
  mov    %rax,%rsi
  lea    D13(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    -0x10(%rbp),%rax
  mov    %rax,%rsi
  lea    D1(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    -0x8(%rbp),%rax
  mov    %rax,%rsi
  lea    D12(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  leave
  ret
```

tool_calls: name: parse_data
arguments: label: D5
type: string
name: parse_data
arguments: label: D13
type: string
name: parse_data
arguments: label: D1
type: string
name: parse_data
arguments: label: D12
type: string

tool: D5: Host ordered port: %#x


tool: D13: Network ordered port: %#x


tool: D1: Host ordered address: %#lx


tool: D12: Network ordered address: %#lx


assistant: ```c
int main(void) {
  unsigned short host_port = 0x1234, net_port;
  unsigned long host_addr = 0x12345678, net_addr;
  net_port = htons(host_port);
  net_addr = htonl(host_addr);
  printf("Host ordered port: %#x\n", host_port);
  printf("Network ordered port: %#x\n", net_port);
  printf("Host ordered address: %#lx\n", host_addr);
  printf("Network ordered address: %#lx\n", net_addr);
  return 0;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<main>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    $0x1234,%edi
  call   <htons@plt>
  mov    %eax,%ebx
  mov    $0x12345678,%edi
  call   <htonl@plt>
  mov    %rax,%rbp
  mov    $0x1234,%esi
  lea    D11(%rip),%rdi
  call   <printf@plt>
  movzwl %bx,%esi
  lea    D15(%rip),%rdi
  call   <printf@plt>
  mov    $0x12345678,%esi
  lea    D37(%rip),%rdi
  call   <printf@plt>
  mov    %rbp,%rsi
  lea    D0(%rip),%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

tool_calls: name: read_data
arguments: label: D11
type_infered: string
name: read_data
arguments: label: D15
type_infered: string
name: read_data
arguments: label: D37
type_infered: string
name: read_data
arguments: label: D0
type_infered: string

tool: D11: Host ordered port: %#x


tool: D15: Network ordered port: %#x


tool: D37: Host ordered address: %#lx


tool: D0: Network ordered address: %#lx


assistant: ```c
int main(void) {
  unsigned short host_port = 0x1234, net_port;
  unsigned long host_addr = 0x12345678, net_addr;
  net_port = htons(host_port);
  net_addr = htonl(host_addr);
  printf("Host ordered port: %#x\n", host_port);
  printf("Network ordered port: %#x\n", net_port);
  printf("Host ordered address: %#lx\n", host_addr);
  printf("Network ordered address: %#lx\n", net_addr);
  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
  mov    $0x1234,%edi
  push   %rbx
  sub    $0x8,%rsp
  call   <htons@plt>
  mov    $0x12345678,%edi
  mov    %eax,%ebx
  call   <htonl@plt>
  mov    $0x1234,%esi
  lea    D22(%rip),%rdi
  mov    %rax,%rbp
  call   <printf@plt>
  movzwl %bx,%esi
  lea    D18(%rip),%rdi
  call   <printf@plt>
  mov    $0x12345678,%esi
  lea    D27(%rip),%rdi
  call   <printf@plt>
  mov    %rbp,%rsi
  lea    D29(%rip),%rdi
  call   <printf@plt>
  add    $0x8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  ret
```

tool_calls: name: extract_symbolic_data
arguments: data_tag: D22
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D18
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D27
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D29
type_infered: string

tool: D22: Host ordered port: %#x


tool: D18: Network ordered port: %#x


tool: D27: Host ordered address: %#lx


tool: D29: Network ordered address: %#lx


assistant: ```c
int main(void) {
  unsigned short host_port = 0x1234, net_port;
  unsigned long host_addr = 0x12345678, net_addr;
  net_port = htons(host_port);
  net_addr = htonl(host_addr);
  printf("Host ordered port: %#x\n", host_port);
  printf("Network ordered port: %#x\n", net_port);
  printf("Host ordered address: %#lx\n", host_addr);
  printf("Network ordered address: %#lx\n", net_addr);
  return 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<main>:
  endbr64
  push   %rbp
  mov    $0x1234,%edi
  push   %rbx
  sub    $0x8,%rsp
  call   <htons@plt>
  mov    $0x12345678,%edi
  mov    %eax,%ebx
  call   <htonl@plt>
  mov    $0x1234,%esi
  lea    D6(%rip),%rdi
  mov    %rax,%rbp
  call   <printf@plt>
  movzwl %bx,%esi
  lea    D5(%rip),%rdi
  call   <printf@plt>
  mov    $0x12345678,%esi
  lea    D30(%rip),%rdi
  call   <printf@plt>
  mov    %rbp,%rsi
  lea    D21(%rip),%rdi
  call   <printf@plt>
  add    $0x8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  ret
```

tool_calls: name: retrieve_data
arguments: data_tag: D6
type: string
name: retrieve_data
arguments: data_tag: D5
type: string
name: retrieve_data
arguments: data_tag: D30
type: string
name: retrieve_data
arguments: data_tag: D21
type: string

tool: D6: Host ordered port: %#x


tool: D5: Network ordered port: %#x


tool: D30: Host ordered address: %#lx


tool: D21: Network ordered address: %#lx


assistant: ```c
int main(void) {
  unsigned short host_port = 0x1234, net_port;
  unsigned long host_addr = 0x12345678, net_addr;
  net_port = htons(host_port);
  net_addr = htonl(host_addr);
  printf("Host ordered port: %#x\n", host_port);
  printf("Network ordered port: %#x\n", net_port);
  printf("Host ordered address: %#lx\n", host_addr);
  printf("Network ordered address: %#lx\n", net_addr);
  return 0;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<do_up_down>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x38,%rsp
  mov    %edi,-0x34(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x18(%rbp)
  xor    %eax,%eax
  lea    -0x24(%rbp),%rdx
  lea    -0x28(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <b_getcur@plt>
  cmpl   $0x0,-0x34(%rbp)
  jle    L14
  mov    -0x28(%rbp),%edx
  mov    -0x34(%rbp),%eax
  lea    (%rdx,%rax,1),%ebx
  mov    $0x0,%eax
  call   <b_size@plt>
  cmp    %eax,%ebx
  jge    L33
  mov    -0x28(%rbp),%edx
  mov    -0x34(%rbp),%eax
  add    %edx,%eax
  jmp    L16
L33:
  mov    $0x0,%eax
  call   <b_size@plt>
L16:
  mov    %eax,-0x20(%rbp)
  jmp    L0
L14:
  mov    -0x28(%rbp),%edx
  mov    -0x34(%rbp),%eax
  add    %edx,%eax
  mov    $0x1,%edx
  test   %eax,%eax
  cmovle %edx,%eax
  mov    %eax,-0x20(%rbp)
L0:
  mov    $0x0,%eax
  call   <k_lastcmd@plt>
  cmp    $0x6a,%al
  je     L59
  mov    $0x0,%eax
  call   <k_lastcmd@plt>
  cmp    $0x6b,%al
  je     L59
  mov    -0x24(%rbp),%edx
  mov    -0x28(%rbp),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <pos_to_col@plt>
  mov    %eax,D2(%rip)
L59:
  mov    D2(%rip),%edx
  mov    -0x20(%rbp),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <col_to_pos@plt>
  mov    %eax,-0x1c(%rbp)
  mov    -0x1c(%rbp),%edx
  mov    -0x20(%rbp),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <b_setcur@plt>
  nop
  mov    -0x18(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L51
  call   <__stack_chk_fail@plt>
L51:
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
void do_up_down(int i) {
  static int col;
  int cur_line, cur_pos, new_line, new_pos;
  b_getcur(&cur_line, &cur_pos);
  if (i > 0)
    new_line = (cur_line + i < b_size()) ? cur_line + i : b_size();
  else
    new_line = (cur_line + i > 1) ? cur_line + i : 1;
  if (k_lastcmd() != 'j' && k_lastcmd() != 'k')
    col = pos_to_col(cur_line, cur_pos);
  new_pos = col_to_pos(new_line, col);
  b_setcur(new_line, new_pos);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<do_up_down>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %edi,%ebx
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rsi
  mov    %rsp,%rdi
  call   <b_getcur@plt>
  test   %ebx,%ebx
  jg     L10
  add    (%rsp),%ebx
  test   %ebx,%ebx
  mov    $0x1,%eax
  cmovle %eax,%ebx
L49:
  mov    $0x0,%eax
  call   <k_lastcmd@plt>
  cmp    $0x6a,%al
  jne    L50
L6:
  mov    D6(%rip),%esi
  mov    %ebx,%edi
  call   <col_to_pos@plt>
  mov    %eax,%esi
  mov    %ebx,%edi
  call   <b_setcur@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L3
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  ret
L10:
  mov    %ebx,%ebp
  add    (%rsp),%ebp
  mov    $0x0,%eax
  call   <b_size@plt>
  cmp    %eax,%ebp
  jge    L47
  add    (%rsp),%ebx
  jmp    L49
L47:
  mov    $0x0,%eax
  call   <b_size@plt>
  mov    %eax,%ebx
  jmp    L49
L50:
  mov    $0x0,%eax
  call   <k_lastcmd@plt>
  cmp    $0x6b,%al
  je     L6
  mov    0x4(%rsp),%esi
  mov    (%rsp),%edi
  call   <pos_to_col@plt>
  mov    %eax,D13(%rip)
  jmp    L6
L3:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void do_up_down(int i) {
  static int col;
  int cur_line, cur_pos, new_line, new_pos;
  b_getcur(&cur_line, &cur_pos);
  if (i > 0)
    new_line = (cur_line + i < b_size()) ? cur_line + i : b_size();
  else
    new_line = (cur_line + i > 1) ? cur_line + i : 1;
  if (k_lastcmd() != 'j' && k_lastcmd() != 'k')
    col = pos_to_col(cur_line, cur_pos);
  new_pos = col_to_pos(new_line, col);
  b_setcur(new_line, new_pos);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<do_up_down>:
  endbr64
  push   %rbp
  mov    %edi,%ebp
  push   %rbx
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rsi
  mov    %rsp,%rdi
  call   <b_getcur@plt>
  test   %ebp,%ebp
  jg     L31
  add    (%rsp),%ebp
  mov    $0x1,%eax
  test   %ebp,%ebp
  cmovle %eax,%ebp
L32:
  xor    %eax,%eax
  call   <k_lastcmd@plt>
  cmp    $0x6a,%al
  jne    L44
L38:
  mov    D13(%rip),%esi
L24:
  mov    %ebp,%edi
  call   <col_to_pos@plt>
  mov    %ebp,%edi
  mov    %eax,%esi
  call   <b_setcur@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L0
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  ret
  nopw   0x0(%rax,%rax,1)
L44:
  xor    %eax,%eax
  call   <k_lastcmd@plt>
  cmp    $0x6b,%al
  je     L38
  mov    0x4(%rsp),%esi
  mov    (%rsp),%edi
  call   <pos_to_col@plt>
  mov    %eax,D8(%rip)
  mov    %eax,%esi
  jmp    L24
  nopl   0x0(%rax)
L31:
  mov    (%rsp),%ebx
  xor    %eax,%eax
  add    %ebp,%ebx
  call   <b_size@plt>
  cmp    %eax,%ebx
  jge    L26
  add    (%rsp),%ebp
  jmp    L32
  nopl   (%rax)
L26:
  xor    %eax,%eax
  call   <b_size@plt>
  mov    %eax,%ebp
  jmp    L32
L0:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void do_up_down(int i) {
  static int col;
  int cur_line, cur_pos, new_line, new_pos;
  b_getcur(&cur_line, &cur_pos);
  if (i > 0)
    new_line = (cur_line + i < b_size()) ? cur_line + i : b_size();
  else
    new_line = (cur_line + i > 1) ? cur_line + i : 1;
  if (k_lastcmd() != 'j' && k_lastcmd() != 'k')
    col = pos_to_col(cur_line, cur_pos);
  new_pos = col_to_pos(new_line, col);
  b_setcur(new_line, new_pos);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<do_up_down>:
  endbr64
  push   %rbp
  mov    %edi,%ebp
  push   %rbx
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rsi
  mov    %rsp,%rdi
  call   <b_getcur@plt>
  test   %ebp,%ebp
  jg     L58
  add    (%rsp),%ebp
  mov    $0x1,%eax
  test   %ebp,%ebp
  cmovle %eax,%ebp
L49:
  xor    %eax,%eax
  call   <k_lastcmd@plt>
  cmp    $0x6a,%al
  jne    L40
L10:
  mov    D18(%rip),%esi
L17:
  mov    %ebp,%edi
  call   <col_to_pos@plt>
  mov    %ebp,%edi
  mov    %eax,%esi
  call   <b_setcur@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L62
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  ret
  nopw   0x0(%rax,%rax,1)
L40:
  xor    %eax,%eax
  call   <k_lastcmd@plt>
  cmp    $0x6b,%al
  je     L10
  mov    0x4(%rsp),%esi
  mov    (%rsp),%edi
  call   <pos_to_col@plt>
  mov    %eax,D1(%rip)
  mov    %eax,%esi
  jmp    L17
  nopl   0x0(%rax)
L58:
  mov    (%rsp),%ebx
  xor    %eax,%eax
  add    %ebp,%ebx
  call   <b_size@plt>
  cmp    %eax,%ebx
  jge    L57
  add    (%rsp),%ebp
  jmp    L49
  nopl   (%rax)
L57:
  xor    %eax,%eax
  call   <b_size@plt>
  mov    %eax,%ebp
  jmp    L49
L62:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void do_up_down(int i) {
  static int col;
  int cur_line, cur_pos, new_line, new_pos;
  b_getcur(&cur_line, &cur_pos);
  if (i > 0)
    new_line = (cur_line + i < b_size()) ? cur_line + i : b_size();
  else
    new_line = (cur_line + i > 1) ? cur_line + i : 1;
  if (k_lastcmd() != 'j' && k_lastcmd() != 'k')
    col = pos_to_col(cur_line, cur_pos);
  new_pos = col_to_pos(new_line, col);
  b_setcur(new_line, new_pos);
}
```
user: Translate the below assembly code into C programming language:

```asm
<strchr>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x8(%rbp)
  mov    %esi,-0xc(%rbp)
  jmp    L15
L10:
  addq   $0x1,-0x8(%rbp)
L15:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L36
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  cmp    %eax,-0xc(%rbp)
  jne    L10
L36:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  cmp    %eax,-0xc(%rbp)
  jne    L16
  mov    -0x8(%rbp),%rax
  jmp    L49
L16:
  mov    $0x0,%eax
L49:
  pop    %rbp
  ret
```

assistant: ```c
char *strchr(const char *s, int c) {
  for (; *s && *s != c; s++)
    ;
  return (*s == c) ? (char *)s : NULL;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<strchr>:
  endbr64
  movzbl (%rdi),%edx
  test   %dl,%dl
  je     L13
L6:
  movsbl %dl,%edx
  cmp    %esi,%edx
  je     L17
  add    $0x1,%rdi
  movzbl (%rdi),%edx
  test   %dl,%dl
  jne    L6
L13:
  test   %esi,%esi
  mov    $0x0,%eax
  cmove  %rdi,%rax
  ret
L17:
  mov    %rdi,%rax
  ret
```

assistant: ```c
char *strchr(const char *s, int c) {
  for (; *s && *s != c; s++)
    ;
  return (*s == c) ? (char *)s : NULL;
}
```