ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<main>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  lea    D9(%rip),%rdi
  call   <opendir@plt>
  test   %rax,%rax
  je     L34
  mov    %rax,%rbp
  mov    $0x0,%eax
  call   <print_headers@plt>
  lea    0x9(%rsp),%r12
  lea    D22(%rip),%r14
  lea    0xf(%rsp),%r13
  lea    D10(%rip),%r15
  jmp    L49
L38:
  mov    (%rbx),%rdi
  call   <atoi@plt>
  mov    %eax,%ebx
  mov    %eax,%esi
  mov    %r15,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    %ebx,%edi
  call   <print_ppid@plt>
  mov    $0x9,%edi
  call   <putchar@plt>
  mov    %ebx,%edi
  call   <print_cmdline@plt>
  mov    $0x9,%edi
  call   <putchar@plt>
  mov    %ebx,%edi
  call   <print_state@plt>
  mov    $0xa,%edi
  call   <putchar@plt>
L49:
  mov    %rbp,%rdi
  call   <readdir@plt>
  mov    %rax,%rbx
  test   %rax,%rax
  je     L65
  mov    %r14,%rsi
  mov    %r12,%rdi
  call   <strcpy@plt>
  mov    (%rbx),%rsi
  mov    %r13,%rdi
  call   <strcpy@plt>
  lea    0x4(%rsp),%rsi
  mov    %r12,%rdi
  call   <lstat@plt>
  test   %rax,%rax
  jne    L38
  mov    0x4(%rsp),%edi
  call   <S_ISDIR@plt>
  test   %eax,%eax
  jne    L38
  jmp    L49
L65:
  mov    %rbp,%rdi
  call   <closedir@plt>
L34:
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L26
  mov    $0x0,%eax
  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: tag: D9
type: string
name: retrieve_data
arguments: tag: D22
type: string
name: retrieve_data
arguments: tag: D10
type: string

tool: D9: /proc

tool: D22: /proc/

tool: D10: %d	

assistant: ```c
int main() {
  DIR *dir = opendir("/proc");
  struct dirent *entry;
  struct stat buf;
  char filepath[15];
  int pid;
  if (dir != NULL) {
    print_headers();
    while ((entry = readdir(dir))) {
      strcpy(filepath, "/proc/");
      strcpy(filepath + 6, entry->d_name);
      if (lstat(filepath, &buf) == 0) {
        if (!S_ISDIR(buf.st_mode)) {
          continue;
        }
      }
      pid = atoi(entry->d_name);
      printf("%d\t", pid);
      print_ppid(pid);
      printf("\t");
      print_cmdline(pid);
      printf("\t");
      print_state(pid);
      printf("\n");
    }
    closedir(dir);
  }
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<main>:
  endbr64
  push   %r15
  lea    D5(%rip),%rdi
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  call   <opendir@plt>
  test   %rax,%rax
  je     L41
  mov    %rax,%rbp
  xor    %eax,%eax
  lea    0x9(%rsp),%r12
  call   <print_headers@plt>
  lea    D24(%rip),%r14
  lea    0xf(%rsp),%r13
  lea    D17(%rip),%r15
L38:
  mov    %rbp,%rdi
  call   <readdir@plt>
  mov    %rax,%rbx
  test   %rax,%rax
  je     L9
L22:
  mov    %r14,%rsi
  mov    %r12,%rdi
  call   <strcpy@plt>
  mov    (%rbx),%rsi
  mov    %r13,%rdi
  call   <strcpy@plt>
  lea    0x4(%rsp),%rsi
  mov    %r12,%rdi
  call   <lstat@plt>
  test   %rax,%rax
  jne    L0
  mov    0x4(%rsp),%edi
  call   <S_ISDIR@plt>
  test   %eax,%eax
  je     L38
L0:
  mov    (%rbx),%rdi
  call   <atoi@plt>
  mov    %r15,%rdi
  mov    %eax,%esi
  mov    %eax,%ebx
  xor    %eax,%eax
  call   <printf@plt>
  mov    %ebx,%edi
  call   <print_ppid@plt>
  mov    $0x9,%edi
  call   <putchar@plt>
  mov    %ebx,%edi
  call   <print_cmdline@plt>
  mov    $0x9,%edi
  call   <putchar@plt>
  mov    %ebx,%edi
  call   <print_state@plt>
  mov    $0xa,%edi
  call   <putchar@plt>
  mov    %rbp,%rdi
  call   <readdir@plt>
  mov    %rax,%rbx
  test   %rax,%rax
  jne    L22
L9:
  mov    %rbp,%rdi
  call   <closedir@plt>
L41:
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L15
  add    $0x28,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L15:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: data_tag: D5
datatype: string
name: parse_data
arguments: data_tag: D24
datatype: string
name: parse_data
arguments: data_tag: D17
datatype: string

tool: D5: /proc

tool: D24: /proc/

tool: D17: %d	

assistant: ```c
int main() {
  DIR *dir = opendir("/proc");
  struct dirent *entry;
  struct stat buf;
  char filepath[15];
  int pid;
  if (dir != NULL) {
    print_headers();
    while ((entry = readdir(dir))) {
      strcpy(filepath, "/proc/");
      strcpy(filepath + 6, entry->d_name);
      if (lstat(filepath, &buf) == 0) {
        if (!S_ISDIR(buf.st_mode)) {
          continue;
        }
      }
      pid = atoi(entry->d_name);
      printf("%d\t", pid);
      print_ppid(pid);
      printf("\t");
      print_cmdline(pid);
      printf("\t");
      print_state(pid);
      printf("\n");
    }
    closedir(dir);
  }
  return 0;
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<main>:
  endbr64
  push   %r15
  lea    D27(%rip),%rdi
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  call   <opendir@plt>
  test   %rax,%rax
  je     L56
  mov    %rax,%rbp
  xor    %eax,%eax
  lea    0x9(%rsp),%r12
  call   <print_headers@plt>
  lea    D18(%rip),%r14
  lea    0xf(%rsp),%r13
  lea    D9(%rip),%r15
L1:
  mov    %rbp,%rdi
  call   <readdir@plt>
  mov    %rax,%rbx
  test   %rax,%rax
  je     L8
L22:
  mov    %r14,%rsi
  mov    %r12,%rdi
  call   <strcpy@plt>
  mov    (%rbx),%rsi
  mov    %r13,%rdi
  call   <strcpy@plt>
  lea    0x4(%rsp),%rsi
  mov    %r12,%rdi
  call   <lstat@plt>
  test   %rax,%rax
  jne    L52
  mov    0x4(%rsp),%edi
  call   <S_ISDIR@plt>
  test   %eax,%eax
  je     L1
L52:
  mov    (%rbx),%rdi
  call   <atoi@plt>
  mov    %r15,%rdi
  mov    %eax,%esi
  mov    %eax,%ebx
  xor    %eax,%eax
  call   <printf@plt>
  mov    %ebx,%edi
  call   <print_ppid@plt>
  mov    $0x9,%edi
  call   <putchar@plt>
  mov    %ebx,%edi
  call   <print_cmdline@plt>
  mov    $0x9,%edi
  call   <putchar@plt>
  mov    %ebx,%edi
  call   <print_state@plt>
  mov    $0xa,%edi
  call   <putchar@plt>
  mov    %rbp,%rdi
  call   <readdir@plt>
  mov    %rax,%rbx
  test   %rax,%rax
  jne    L22
L8:
  mov    %rbp,%rdi
  call   <closedir@plt>
L56:
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L12
  add    $0x28,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L12:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: data_tag: D27
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D18
type_infered: string
name: extract_symbolic_data
arguments: data_tag: D9
type_infered: string

tool: D27: /proc

tool: D18: /proc/

tool: D9: %d	

assistant: ```c
int main() {
  DIR *dir = opendir("/proc");
  struct dirent *entry;
  struct stat buf;
  char filepath[15];
  int pid;
  if (dir != NULL) {
    print_headers();
    while ((entry = readdir(dir))) {
      strcpy(filepath, "/proc/");
      strcpy(filepath + 6, entry->d_name);
      if (lstat(filepath, &buf) == 0) {
        if (!S_ISDIR(buf.st_mode)) {
          continue;
        }
      }
      pid = atoi(entry->d_name);
      printf("%d\t", pid);
      print_ppid(pid);
      printf("\t");
      print_cmdline(pid);
      printf("\t");
      print_state(pid);
      printf("\n");
    }
    closedir(dir);
  }
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<dwt3d_tran_z_inv>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  mov    %edx,-0x20(%rbp)
  mov    %ecx,-0x24(%rbp)
  mov    %r8,-0x30(%rbp)
  mov    %r9d,-0x28(%rbp)
  movl   $0x0,-0xc(%rbp)
  jmp    L24
L41:
  movl   $0x0,-0x8(%rbp)
  jmp    L43
L47:
  movl   $0x0,-0x4(%rbp)
  jmp    L27
L37:
  mov    -0x8(%rbp),%eax
  imul   0x18(%rbp),%eax
  mov    %eax,%edx
  mov    -0x4(%rbp),%eax
  add    %eax,%edx
  mov    -0xc(%rbp),%eax
  imul   0x10(%rbp),%eax
  imul   0x18(%rbp),%eax
  add    %edx,%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x18(%rbp),%rax
  add    %rax,%rdx
  mov    -0x4(%rbp),%eax
  imul   -0x28(%rbp),%eax
  imul   0x10(%rbp),%eax
  mov    %eax,%ecx
  mov    -0xc(%rbp),%eax
  imul   0x10(%rbp),%eax
  add    %eax,%ecx
  mov    -0x8(%rbp),%eax
  add    %ecx,%eax
  cltq
  lea    0x0(,%rax,8),%rcx
  mov    -0x30(%rbp),%rax
  add    %rcx,%rax
  movsd  (%rdx),%xmm0
  movsd  %xmm0,(%rax)
  addl   $0x1,-0x4(%rbp)
L27:
  mov    -0x4(%rbp),%eax
  cmp    0x18(%rbp),%eax
  jl     L37
  addl   $0x1,-0x8(%rbp)
L43:
  mov    -0x8(%rbp),%eax
  cmp    0x10(%rbp),%eax
  jl     L47
  addl   $0x1,-0xc(%rbp)
L24:
  mov    -0xc(%rbp),%eax
  cmp    -0x28(%rbp),%eax
  jl     L41
  nop
  pop    %rbp
  ret
```

assistant: ```c
void dwt3d_tran_z_inv(double *mat3DIn, int row1, int col1, int sli1, double *mat3DOut, int row2, int col2, int sli2) {
  int i, j, k;
  for (i = 0; i < row2; i++) {
    for (j = 0; j < col2; j++) {
      for (k = 0; k < sli2; k++)
        mat3DOut[k * row2 * col2 + i * col2 + j] = mat3DIn[k + j * sli2 + i * col2 * sli2];
    }
  }
  return;
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<dwt3d_tran_z_inv>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %r8,-0x10(%rsp)
  mov    %r9d,-0x14(%rsp)
  mov    0x38(%rsp),%r11d
  mov    0x40(%rsp),%r10d
  test   %r9d,%r9d
  jle    L65
  mov    %rdi,%r12
  mov    %r9d,%eax
  mov    %r11d,%ebx
  imul   %r10d,%ebx
  mov    %ebx,-0x18(%rsp)
  imul   %r11d,%eax
  movslq %eax,%rsi
  shl    $0x3,%rsi
  mov    $0x0,%r15d
  movl   $0x0,-0x1c(%rsp)
  mov    $0x0,%r14d
  lea    -0x1(%r10),%eax
  mov    %rax,-0x8(%rsp)
  lea    0x8(%rdi),%r13
  jmp    L35
L81:
  movslq %r8d,%rdx
  lea    (%rdx,%rbx,1),%rax
  lea    (%r12,%rax,8),%rax
  add    %rbp,%rdx
  lea    0x0(%r13,%rdx,8),%rcx
  mov    %r9,%rdx
L13:
  movsd  (%rax),%xmm0
  movsd  %xmm0,(%rdx)
  add    $0x8,%rax
  add    %rsi,%rdx
  cmp    %rcx,%rax
  jne    L13
L56:
  add    $0x1,%edi
  add    $0x8,%r9
  add    %r10d,%r8d
  cmp    %edi,%r11d
  je     L77
L34:
  test   %r10d,%r10d
  jg     L81
  jmp    L56
L77:
  add    $0x1,%r14d
  add    %r11d,-0x1c(%rsp)
  add    -0x18(%rsp),%r15d
  cmp    %r14d,-0x14(%rsp)
  je     L65
L35:
  test   %r11d,%r11d
  jle    L77
  movslq -0x1c(%rsp),%rax
  mov    -0x10(%rsp),%rbx
  lea    (%rbx,%rax,8),%r9
  mov    $0x0,%r8d
  mov    $0x0,%edi
  movslq %r15d,%rbx
  mov    -0x8(%rsp),%rax
  lea    (%rax,%rbx,1),%rbp
  jmp    L34
L65:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void dwt3d_tran_z_inv(double *mat3DIn, int row1, int col1, int sli1, double *mat3DOut, int row2, int col2, int sli2) {
  int i, j, k;
  for (i = 0; i < row2; i++) {
    for (j = 0; j < col2; j++) {
      for (k = 0; k < sli2; k++)
        mat3DOut[k * row2 * col2 + i * col2 + j] = mat3DIn[k + j * sli2 + i * col2 * sli2];
    }
  }
  return;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<dwt3d_tran_z_inv>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    0x38(%rsp),%r11d
  mov    0x40(%rsp),%r10d
  mov    %r8,-0x10(%rsp)
  mov    %r9d,-0x14(%rsp)
  test   %r9d,%r9d
  jle    L17
  mov    %r9d,%eax
  mov    %r11d,%ebx
  mov    %rdi,%r12
  xor    %r15d,%r15d
  imul   %r11d,%eax
  movl   $0x0,-0x1c(%rsp)
  xor    %r14d,%r14d
  lea    0x8(%rdi),%r13
  imul   %r10d,%ebx
  movslq %eax,%rsi
  lea    -0x1(%r10),%eax
  mov    %ebx,-0x18(%rsp)
  shl    $0x3,%rsi
  mov    %rax,-0x8(%rsp)
  nopw   0x0(%rax,%rax,1)
L6:
  test   %r11d,%r11d
  jle    L1
  mov    -0x10(%rsp),%rbx
  movslq %r15d,%rax
  xor    %r8d,%r8d
  xor    %edi,%edi
  lea    (%rbx,%rax,8),%r9
  movslq -0x1c(%rsp),%rbx
  mov    -0x8(%rsp),%rax
  lea    (%rax,%rbx,1),%rbp
  nopl   0x0(%rax)
L16:
  test   %r10d,%r10d
  jle    L55
  movslq %r8d,%rdx
  lea    (%rbx,%rdx,1),%rax
  add    %rbp,%rdx
  lea    0x0(%r13,%rdx,8),%rcx
  lea    (%r12,%rax,8),%rax
  mov    %r9,%rdx
  nopl   0x0(%rax,%rax,1)
L53:
  movsd  (%rax),%xmm0
  add    $0x8,%rax
  movsd  %xmm0,(%rdx)
  add    %rsi,%rdx
  cmp    %rcx,%rax
  jne    L53
L55:
  add    $0x1,%edi
  add    $0x8,%r9
  add    %r10d,%r8d
  cmp    %edi,%r11d
  jne    L16
L1:
  mov    -0x18(%rsp),%ebx
  add    $0x1,%r14d
  add    %ebx,-0x1c(%rsp)
  add    %r11d,%r15d
  cmp    %r14d,-0x14(%rsp)
  jne    L6
L17:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void dwt3d_tran_z_inv(double *mat3DIn, int row1, int col1, int sli1, double *mat3DOut, int row2, int col2, int sli2) {
  int i, j, k;
  for (i = 0; i < row2; i++) {
    for (j = 0; j < col2; j++) {
      for (k = 0; k < sli2; k++)
        mat3DOut[k * row2 * col2 + i * col2 + j] = mat3DIn[k + j * sli2 + i * col2 * sli2];
    }
  }
  return;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<dwt3d_tran_z_inv>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  mov    %r9d,%r13d
  push   %r12
  push   %rbp
  push   %rbx
  mov    0x38(%rsp),%r9d
  mov    0x40(%rsp),%eax
  test   %r13d,%r13d
  jle    L48
  test   %r9d,%r9d
  jle    L48
  test   %eax,%eax
  jle    L48
  mov    %r13d,%esi
  mov    %r9d,%r15d
  lea    -0x1(%rax),%ebx
  movslq %eax,%r11
  imul   %r9d,%esi
  mov    %eax,%r10d
  mov    %rbx,-0x10(%rsp)
  mov    %r8,%r14
  imul   %eax,%r15d
  lea    0x8(%rdi),%rax
  neg    %r10
  shl    $0x3,%r11
  mov    %rax,-0x8(%rsp)
  xor    %r12d,%r12d
  xor    %ebp,%ebp
  xor    %ebx,%ebx
  movslq %esi,%rsi
  shl    $0x3,%r10
  shl    $0x3,%rsi
  nopl   (%rax)
L50:
  mov    -0x8(%rsp),%rdi
  movslq %ebp,%rax
  lea    (%r14,%rax,8),%r8
  movslq %r12d,%rax
  add    -0x10(%rsp),%rax
  lea    (%rdi,%rax,8),%rcx
  xor    %edi,%edi
  nopw   0x0(%rax,%rax,1)
L15:
  lea    (%r10,%rcx,1),%rax
  mov    %r8,%rdx
  nop
L2:
  movsd  (%rax),%xmm0
  add    $0x8,%rax
  movsd  %xmm0,(%rdx)
  add    %rsi,%rdx
  cmp    %rcx,%rax
  jne    L2
  add    $0x1,%edi
  add    $0x8,%r8
  lea    (%rax,%r11,1),%rcx
  cmp    %edi,%r9d
  jne    L15
  add    $0x1,%ebx
  add    %r9d,%ebp
  add    %r15d,%r12d
  cmp    %ebx,%r13d
  jne    L50
L48:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void dwt3d_tran_z_inv(double *mat3DIn, int row1, int col1, int sli1, double *mat3DOut, int row2, int col2, int sli2) {
  int i, j, k;
  for (i = 0; i < row2; i++) {
    for (j = 0; j < col2; j++) {
      for (k = 0; k < sli2; k++)
        mat3DOut[k * row2 * col2 + i * col2 + j] = mat3DIn[k + j * sli2 + i * col2 * sli2];
    }
  }
  return;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<dos2unix_str>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x28(%rbp)
  cmpq   $0x0,-0x28(%rbp)
  jne    L28
  lea    D14(%rip),%rax
  mov    %rax,%rcx
  lea    D9(%rip),%rax
  mov    %rax,%rdx
  mov    $0x21,%esi
  lea    D6(%rip),%rax
  mov    %rax,%rdi
  call   <swerr@plt>
L28:
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %rax,-0x10(%rbp)
  mov    -0x10(%rbp),%rax
  add    $0x1,%rax
  mov    %rax,%rdi
  call   <xmalloc@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  mov    %rax,-0x20(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,-0x18(%rbp)
  jmp    L11
L15:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0xd,%al
  je     L23
  mov    -0x20(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x20(%rbp)
  mov    -0x18(%rbp),%rdx
  movzbl (%rdx),%edx
  mov    %dl,(%rax)
L23:
  addq   $0x1,-0x18(%rbp)
L11:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L15
  mov    -0x20(%rbp),%rax
  movb   $0x0,(%rax)
  mov    -0x8(%rbp),%rax
  leave
  ret
```

tool_calls: name: disassemble_data
arguments: label: D14
type: string
name: disassemble_data
arguments: label: D9
type: string
name: disassemble_data
arguments: label: D6
type: string

tool: D14: s

tool: D9: assertion failed: %s

tool: D6: /scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/misty-fungus/ejudge-debian/refs/heads/master/dos2unix_str.c

assistant: ```c
unsigned char *dos2unix_str(const unsigned char *s) {
  unsigned char *out, *pout;
  const unsigned char *pin;
  size_t len;
  do {
    if (!(s))
      swerr("/scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/misty-fungus/ejudge-debian/refs/heads/master/dos2unix_str.c", 33, "assertion failed: %s", "s");
  } while (0);
  len = strlen(s);
  out = xmalloc(len + 1);
  for (pout = out, pin = s; *pin; pin++)
    if (*pin != '\r')
      *pout++ = *pin;
  *pout = 0;
  return out;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<dos2unix_str>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  test   %rdi,%rdi
  je     L61
L31:
  mov    %rbx,%rdi
  call   <strlen@plt>
  lea    0x1(%rax),%rdi
  call   <xmalloc@plt>
  movzbl (%rbx),%edx
  test   %dl,%dl
  je     L45
  mov    %rax,%rcx
  jmp    L65
L61:
  lea    D6(%rip),%rcx
  lea    D13(%rip),%rdx
  mov    $0x21,%esi
  lea    D8(%rip),%rdi
  call   <swerr@plt>
  jmp    L31
L18:
  add    $0x1,%rbx
  movzbl (%rbx),%edx
  test   %dl,%dl
  je     L28
L65:
  cmp    $0xd,%dl
  je     L18
  mov    %dl,(%rcx)
  lea    0x1(%rcx),%rcx
  jmp    L18
L45:
  mov    %rax,%rcx
L28:
  movb   $0x0,(%rcx)
  pop    %rbx
  ret
```

tool_calls: name: retrieve_data
arguments: label: D6
type_infered: string
name: retrieve_data
arguments: label: D13
type_infered: string
name: retrieve_data
arguments: label: D8
type_infered: string

tool: D6: s

tool: D13: assertion failed: %s

tool: D8: /scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/misty-fungus/ejudge-debian/refs/heads/master/dos2unix_str.c

assistant: ```c
unsigned char *dos2unix_str(const unsigned char *s) {
  unsigned char *out, *pout;
  const unsigned char *pin;
  size_t len;
  do {
    if (!(s))
      swerr("/scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/misty-fungus/ejudge-debian/refs/heads/master/dos2unix_str.c", 33, "assertion failed: %s", "s");
  } while (0);
  len = strlen(s);
  out = xmalloc(len + 1);
  for (pout = out, pin = s; *pin; pin++)
    if (*pin != '\r')
      *pout++ = *pin;
  *pout = 0;
  return out;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<dos2unix_str>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  test   %rdi,%rdi
  je     L20
L5:
  mov    %rbx,%rdi
  call   <strlen@plt>
  lea    0x1(%rax),%rdi
  call   <xmalloc@plt>
  movzbl (%rbx),%edx
  mov    %rax,%rcx
  test   %dl,%dl
  je     L45
  nopl   0x0(%rax,%rax,1)
L44:
  cmp    $0xd,%dl
  je     L32
  mov    %dl,(%rcx)
  add    $0x1,%rcx
L32:
  movzbl 0x1(%rbx),%edx
  add    $0x1,%rbx
  test   %dl,%dl
  jne    L44
L45:
  movb   $0x0,(%rcx)
  pop    %rbx
  ret
  nopl   0x0(%rax)
L20:
  lea    D20(%rip),%rcx
  lea    D17(%rip),%rdx
  mov    $0x21,%esi
  lea    D2(%rip),%rdi
  call   <swerr@plt>
  jmp    L5
```

tool_calls: name: retrieve_data
arguments: label: D20
type_guessed: string
name: retrieve_data
arguments: label: D17
type_guessed: string
name: retrieve_data
arguments: label: D2
type_guessed: string

tool: D20: s

tool: D17: assertion failed: %s

tool: D2: /scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/misty-fungus/ejudge-debian/refs/heads/master/dos2unix_str.c

assistant: ```c
unsigned char *dos2unix_str(const unsigned char *s) {
  unsigned char *out, *pout;
  const unsigned char *pin;
  size_t len;
  do {
    if (!(s))
      swerr("/scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/misty-fungus/ejudge-debian/refs/heads/master/dos2unix_str.c", 33, "assertion failed: %s", "s");
  } while (0);
  len = strlen(s);
  out = xmalloc(len + 1);
  for (pout = out, pin = s; *pin; pin++)
    if (*pin != '\r')
      *pout++ = *pin;
  *pout = 0;
  return out;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<dos2unix_str>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  test   %rdi,%rdi
  je     L12
L43:
  mov    %rbx,%rdi
  call   <strlen@plt>
  lea    0x1(%rax),%rdi
  call   <xmalloc@plt>
  movzbl (%rbx),%edx
  test   %dl,%dl
  je     L13
  mov    %rax,%rcx
L3:
  cmp    $0xd,%dl
  je     L17
L25:
  add    $0x1,%rbx
  mov    %dl,(%rcx)
  lea    0x1(%rcx),%rsi
  movzbl (%rbx),%edx
  test   %dl,%dl
  je     L35
  mov    %rsi,%rcx
  cmp    $0xd,%dl
  jne    L25
L17:
  movzbl 0x1(%rbx),%edx
  add    $0x1,%rbx
  test   %dl,%dl
  jne    L3
  mov    %rcx,%rsi
L35:
  movb   $0x0,(%rsi)
  pop    %rbx
  ret
  nopw   0x0(%rax,%rax,1)
L12:
  lea    D23(%rip),%rcx
  lea    D18(%rip),%rdx
  mov    $0x21,%esi
  lea    D20(%rip),%rdi
  call   <swerr@plt>
  jmp    L43
  nopl   0x0(%rax)
L13:
  mov    %rax,%rsi
  movb   $0x0,(%rsi)
  pop    %rbx
  ret
```

tool_calls: name: read_data
arguments: data_label: D23
datatype: string
name: read_data
arguments: data_label: D18
datatype: string
name: read_data
arguments: data_label: D20
datatype: string

tool: D23: s

tool: D18: assertion failed: %s

tool: D20: /scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/misty-fungus/ejudge-debian/refs/heads/master/dos2unix_str.c

assistant: ```c
unsigned char *dos2unix_str(const unsigned char *s) {
  unsigned char *out, *pout;
  const unsigned char *pin;
  size_t len;
  do {
    if (!(s))
      swerr("/scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/misty-fungus/ejudge-debian/refs/heads/master/dos2unix_str.c", 33, "assertion failed: %s", "s");
  } while (0);
  len = strlen(s);
  out = xmalloc(len + 1);
  for (pout = out, pin = s; *pin; pin++)
    if (*pin != '\r')
      *pout++ = *pin;
  *pout = 0;
  return out;
}
```