ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 请将以下的汇编代码转换成C语言代码:

```asm
<print_escaped_char>:
  endbr64
  cmp    $0xa,%dil
  je     L33
  cmp    $0x20,%dil
  je     L18
  cmp    $0x9,%dil
  je     L31
  movzbl %dil,%esi
  test   %dil,%dil
  js     L44
  cmp    $0x1f,%dil
  ja     L4
  add    $0x40,%esi
  lea    D12(%rip),%rdi
  xor    %eax,%eax
  jmp    1070 <printf@plt>
  cs nopw 0x0(%rax,%rax,1)
L31:
  lea    D18(%rip),%rdi
  jmp    1060 <puts@plt>
  nopl   0x0(%rax)
L18:
  lea    D23(%rip),%rdi
  jmp    1060 <puts@plt>
  nopl   0x0(%rax)
L33:
  lea    D46(%rip),%rdi
  jmp    1060 <puts@plt>
  nopl   0x0(%rax)
L44:
  lea    D13(%rip),%rdi
  xor    %eax,%eax
  jmp    1070 <printf@plt>
  xchg   %ax,%ax
L4:
  lea    D28(%rip),%rdi
  xor    %eax,%eax
  jmp    1070 <printf@plt>
```

tool_calls: name: extract_symbolic_data
arguments: label: D12
type_infered: string
name: extract_symbolic_data
arguments: label: D18
type_infered: string
name: extract_symbolic_data
arguments: label: D23
type_infered: string
name: extract_symbolic_data
arguments: label: D46
type_infered: string
name: extract_symbolic_data
arguments: label: D13
type_infered: string
name: extract_symbolic_data
arguments: label: D28
type_infered: string

tool: D12: Received '^%c'.


tool: D18: Received: TAB.

tool: D23: Received: SPACE.

tool: D46: Received: ENTER.

tool: D13: 
Warning: received erroneous character 0x%02x.


tool: D28: Received '%c'.


assistant: ```c
void print_escaped_char(unsigned char c) {
  switch (c) {
  case '\n':
    printf("Received: ENTER.\n");
    return;
  case ' ':
    printf("Received: SPACE.\n");
    return;
  case '\t':
    printf("Received: TAB.\n");
    return;
  default:
    if (c > 0x7f) {
      printf("\nWarning: received erroneous character 0x%02x.\n", (unsigned int)c);
    } else if (c < 0x20) {
      printf("Received '^%c'.\n", '@' + c);
    } else {
      printf("Received '%c'.\n", c);
    }
  }
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<CG_DrawStrlen>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  movl   $0x0,-0xc(%rbp)
  jmp    L25
L38:
  cmpq   $0x0,-0x8(%rbp)
  je     L12
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x5e,%al
  jne    L12
  mov    -0x8(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L12
  mov    -0x8(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  cmp    $0x2f,%al
  jle    L12
  mov    -0x8(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  cmp    $0x38,%al
  jg     L12
  addq   $0x2,-0x8(%rbp)
  jmp    L25
L12:
  addl   $0x1,-0xc(%rbp)
  addq   $0x1,-0x8(%rbp)
L25:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L38
  mov    -0xc(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
int CG_DrawStrlen(const char *str) {
  const char *s = str;
  int count = 0;
  while (*s) {
    if (((s) && *(s) == '^' && *((s) + 1) && *((s) + 1) >= '0' && *((s) + 1) <= '8')) {
      s += 2;
    } else {
      count++;
      s++;
    }
  }
  return count;
}
```
user: Translate the below assembly code into C programming language:

```asm
<CG_DrawStrlen>:
  endbr64
  movzbl (%rdi),%eax
  test   %al,%al
  je     L48
  mov    $0x0,%edx
  jmp    L56
L24:
  add    $0x1,%edx
  add    $0x1,%rdi
L11:
  movzbl (%rdi),%eax
  test   %al,%al
  je     L64
L56:
  cmp    $0x5e,%al
  jne    L24
  test   %rdi,%rdi
  je     L24
  movzbl 0x1(%rdi),%eax
  sub    $0x30,%eax
  cmp    $0x8,%al
  ja     L24
  add    $0x2,%rdi
  jmp    L11
L48:
  mov    $0x0,%edx
L64:
  mov    %edx,%eax
  ret
```

assistant: ```c
int CG_DrawStrlen(const char *str) {
  const char *s = str;
  int count = 0;
  while (*s) {
    if (((s) && *(s) == '^' && *((s) + 1) && *((s) + 1) >= '0' && *((s) + 1) <= '8')) {
      s += 2;
    } else {
      count++;
      s++;
    }
  }
  return count;
}
```
user: What is the c source code of the assembly code below?

```asm
<CG_DrawStrlen>:
  endbr64
  movzbl (%rdi),%eax
  xor    %r8d,%r8d
  jmp    L22
  nopl   0x0(%rax)
L35:
  add    $0x1,%r8d
  add    $0x1,%rdi
  mov    %edx,%eax
L22:
  test   %al,%al
  je     L29
L4:
  movzbl 0x1(%rdi),%edx
  cmp    $0x5e,%al
  jne    L35
  lea    -0x30(%rdx),%eax
  cmp    $0x8,%al
  ja     L35
  movzbl 0x2(%rdi),%eax
  add    $0x2,%rdi
  test   %al,%al
  jne    L4
L29:
  mov    %r8d,%eax
  ret
```

assistant: ```c
int CG_DrawStrlen(const char *str) {
  const char *s = str;
  int count = 0;
  while (*s) {
    if (((s) && *(s) == '^' && *((s) + 1) && *((s) + 1) >= '0' && *((s) + 1) <= '8')) {
      s += 2;
    } else {
      count++;
      s++;
    }
  }
  return count;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<CG_DrawStrlen>:
  endbr64
  movzbl (%rdi),%eax
  xor    %r8d,%r8d
  jmp    L21
  nopl   0x0(%rax)
L6:
  add    $0x1,%r8d
  add    $0x1,%rdi
  mov    %edx,%eax
L21:
  test   %al,%al
  je     L46
L41:
  movzbl 0x1(%rdi),%edx
  cmp    $0x5e,%al
  jne    L6
  lea    -0x30(%rdx),%eax
  cmp    $0x8,%al
  ja     L6
  movzbl 0x2(%rdi),%eax
  add    $0x2,%rdi
  test   %al,%al
  jne    L41
L46:
  mov    %r8d,%eax
  ret
```

assistant: ```c
int CG_DrawStrlen(const char *str) {
  const char *s = str;
  int count = 0;
  while (*s) {
    if (((s) && *(s) == '^' && *((s) + 1) && *((s) + 1) >= '0' && *((s) + 1) <= '8')) {
      s += 2;
    } else {
      count++;
      s++;
    }
  }
  return count;
}
```
user: What is the c source code of the assembly code below?

```asm
<hash>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  movl   $0x1505,-0x4(%rbp)
  movl   $0x0,-0x8(%rbp)
  jmp    L8
L1:
  mov    -0x4(%rbp),%eax
  shl    $0x5,%eax
  mov    %eax,%edx
  mov    -0x4(%rbp),%eax
  lea    (%rdx,%rax,1),%ecx
  mov    -0x8(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  add    %ecx,%eax
  mov    %eax,-0x4(%rbp)
  addl   $0x1,-0x8(%rbp)
L8:
  mov    -0x8(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L1
  mov    -0x4(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
int hash(char v[]) {
  int i;
  unsigned int h = 5381;
  for (i = 0; v[i] != '\0'; i++)
    h = ((h << 5) + h) + v[i];
  return h;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<hash>:
  endbr64
  movzbl (%rdi),%edx
  test   %dl,%dl
  je     L13
  add    $0x1,%rdi
  mov    $0x1505,%eax
L19:
  mov    %eax,%ecx
  shl    $0x5,%ecx
  add    %ecx,%eax
  movsbl %dl,%edx
  add    %edx,%eax
  add    $0x1,%rdi
  movzbl -0x1(%rdi),%edx
  test   %dl,%dl
  jne    L19
  ret
L13:
  mov    $0x1505,%eax
  ret
```

assistant: ```c
int hash(char v[]) {
  int i;
  unsigned int h = 5381;
  for (i = 0; v[i] != '\0'; i++)
    h = ((h << 5) + h) + v[i];
  return h;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<hash>:
  endbr64
  movsbl (%rdi),%edx
  test   %dl,%dl
  je     L6
  add    $0x1,%rdi
  mov    $0x1505,%eax
  nopl   0x0(%rax)
L16:
  mov    %eax,%ecx
  add    $0x1,%rdi
  shl    $0x5,%ecx
  add    %ecx,%eax
  add    %edx,%eax
  movsbl -0x1(%rdi),%edx
  test   %dl,%dl
  jne    L16
  ret
  xchg   %ax,%ax
L6:
  mov    $0x1505,%eax
  ret
```

assistant: ```c
int hash(char v[]) {
  int i;
  unsigned int h = 5381;
  for (i = 0; v[i] != '\0'; i++)
    h = ((h << 5) + h) + v[i];
  return h;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<hash>:
  endbr64
  movsbl (%rdi),%edx
  test   %dl,%dl
  je     L4
  add    $0x1,%rdi
  mov    $0x1505,%eax
  nopl   0x0(%rax)
L0:
  mov    %eax,%ecx
  add    $0x1,%rdi
  shl    $0x5,%ecx
  add    %ecx,%eax
  add    %edx,%eax
  movsbl -0x1(%rdi),%edx
  test   %dl,%dl
  jne    L0
  ret
  xchg   %ax,%ax
L4:
  mov    $0x1505,%eax
  ret
```

assistant: ```c
int hash(char v[]) {
  int i;
  unsigned int h = 5381;
  for (i = 0; v[i] != '\0'; i++)
    h = ((h << 5) + h) + v[i];
  return h;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<print_header>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  lea    D4(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  nop
  pop    %rbp
  ret
```

tool_calls: name: parse_data
arguments: label: D4
type_guessed: string

tool: D4: #name	chrom	pos	strand	size	labels	qsize	qlabels	rstart	rend	qstart	qend	missing	extra	alignment


assistant: ```c
void print_header(void) {
  printf("#name\tchrom\tpos\tstrand\tsize\tlabels\t"
         "qsize\tqlabels\trstart\trend\tqstart\tqend\tmissing\textra\talignment\n");
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<print_header>:
  endbr64
  sub    $0x8,%rsp
  lea    D9(%rip),%rdi
  call   <printf@plt>
  add    $0x8,%rsp
  ret
```

tool_calls: name: unpack_data
arguments: tag: D9
type_guessed: string

tool: D9: #name	chrom	pos	strand	size	labels	qsize	qlabels	rstart	rend	qstart	qend	missing	extra	alignment


assistant: ```c
void print_header(void) {
  printf("#name\tchrom\tpos\tstrand\tsize\tlabels\t"
         "qsize\tqlabels\trstart\trend\tqstart\tqend\tmissing\textra\talignment\n");
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<print_header>:
  endbr64
  lea    D9(%rip),%rdi
  jmp    1050 <printf@plt>
```

tool_calls: name: read_data
arguments: label: D9
type_infered: string

tool: D9: #name	chrom	pos	strand	size	labels	qsize	qlabels	rstart	rend	qstart	qend	missing	extra	alignment


assistant: ```c
void print_header(void) {
  printf("#name\tchrom\tpos\tstrand\tsize\tlabels\t"
         "qsize\tqlabels\trstart\trend\tqstart\tqend\tmissing\textra\talignment\n");
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<print_header>:
  endbr64
  lea    D2(%rip),%rdi
  jmp    1050 <printf@plt>
```

tool_calls: name: parse_data
arguments: label: D2
data_type: string

tool: D2: #name	chrom	pos	strand	size	labels	qsize	qlabels	rstart	rend	qstart	qend	missing	extra	alignment


assistant: ```c
void print_header(void) {
  printf("#name\tchrom\tpos\tstrand\tsize\tlabels\t"
         "qsize\tqlabels\trstart\trend\tqstart\tqend\tmissing\textra\talignment\n");
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<memswap>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    %rdx,-0x18(%rbp)
  mov    %rcx,-0x20(%rbp)
  mov    -0x20(%rbp),%rdx
  mov    -0x8(%rbp),%rcx
  mov    -0x18(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <memcpy@plt>
  mov    -0x20(%rbp),%rdx
  mov    -0x10(%rbp),%rcx
  mov    -0x8(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <memcpy@plt>
  mov    -0x20(%rbp),%rdx
  mov    -0x18(%rbp),%rcx
  mov    -0x10(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <memcpy@plt>
  nop
  leave
  ret
```

assistant: ```c
void memswap(void *__restrict dst, void *__restrict src, void *__restrict tmp, size_t n) {
  memcpy(tmp, dst, n);
  memcpy(dst, src, n);
  memcpy(src, tmp, n);
}
```
user: What is the c source code of the assembly code below?

```asm
<memswap>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%r13
  mov    %rsi,%rbp
  mov    %rdx,%r12
  mov    %rcx,%rbx
  mov    %rcx,%rdx
  mov    %rdi,%rsi
  mov    %r12,%rdi
  call   <memcpy@plt>
  mov    %rbx,%rdx
  mov    %rbp,%rsi
  mov    %r13,%rdi
  call   <memcpy@plt>
  mov    %rbx,%rdx
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <memcpy@plt>
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
void memswap(void *__restrict dst, void *__restrict src, void *__restrict tmp, size_t n) {
  memcpy(tmp, dst, n);
  memcpy(dst, src, n);
  memcpy(src, tmp, n);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<memswap>:
  endbr64
  push   %r14
  mov    %rdi,%r14
  push   %r13
  mov    %rdx,%r13
  mov    %rcx,%rdx
  push   %r12
  mov    %rcx,%r12
  push   %rbp
  mov    %rsi,%rbp
  mov    %rdi,%rsi
  mov    %r13,%rdi
  sub    $0x8,%rsp
  call   <memcpy@plt>
  mov    %r12,%rdx
  mov    %rbp,%rsi
  mov    %r14,%rdi
  call   <memcpy@plt>
  add    $0x8,%rsp
  mov    %r12,%rdx
  mov    %r13,%rsi
  mov    %rbp,%rdi
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  jmp    1050 <memcpy@plt>
```

assistant: ```c
void memswap(void *__restrict dst, void *__restrict src, void *__restrict tmp, size_t n) {
  memcpy(tmp, dst, n);
  memcpy(dst, src, n);
  memcpy(src, tmp, n);
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<forkpty>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %rdx,-0x38(%rbp)
  mov    %rcx,-0x40(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    -0x40(%rbp),%rdi
  mov    -0x38(%rbp),%rcx
  mov    -0x30(%rbp),%rdx
  lea    -0x10(%rbp),%rsi
  lea    -0x14(%rbp),%rax
  mov    %rdi,%r8
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <openpty@plt>
  cmp    $0xffffffff,%eax
  jne    L32
  mov    $0xffffffff,%eax
  jmp    L30
L32:
  call   <fork@plt>
  mov    %eax,-0xc(%rbp)
  cmpl   $0xffffffff,-0xc(%rbp)
  je     L64
  cmpl   $0x0,-0xc(%rbp)
  je     L19
  jmp    L20
L64:
  mov    -0x14(%rbp),%eax
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <close@plt>
  mov    -0x10(%rbp),%eax
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <close@plt>
  mov    $0xffffffff,%eax
  jmp    L30
L19:
  mov    -0x14(%rbp),%eax
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <close@plt>
  mov    -0x10(%rbp),%eax
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <login_tty@plt>
  test   %eax,%eax
  je     L31
  mov    $0x1,%edi
  call   <_exit@plt>
L31:
  mov    $0x0,%eax
  jmp    L30
L20:
  mov    -0x14(%rbp),%edx
  mov    -0x28(%rbp),%rax
  mov    %edx,(%rax)
  mov    -0x10(%rbp),%eax
  mov    %eax,%edi
  mov    $0x0,%eax
  call   <close@plt>
  mov    -0xc(%rbp),%eax
L30:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L44
  call   <__stack_chk_fail@plt>
L44:
  leave
  ret
```

assistant: ```c
int forkpty(amaster, name, termp, winp)
int *amaster;
char *name;
const struct termios *termp;
const struct winsize *winp;
{
  int master, slave, pid;
  if (openpty(&master, &slave, name, termp, winp) == -1)
    return -1;
  switch (pid = fork()) {
  case -1:
    close(master);
    close(slave);
    return -1;
  case 0:
    close(master);
    if (login_tty(slave))
      _exit(1);
    return 0;
  default:
    *amaster = master;
    close(slave);
    return pid;
  }
}
```
user: Translate the below assembly code into C programming language:

```asm
<forkpty>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %rdi,%rbp
  mov    %rcx,%r8
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rax
  mov    %rsp,%rdi
  mov    %rdx,%rcx
  mov    %rsi,%rdx
  mov    %rax,%rsi
  mov    $0x0,%eax
  call   <openpty@plt>
  mov    %eax,%ebx
  cmp    $0xffffffff,%eax
  je     L33
  call   <fork@plt>
  mov    %eax,%ebx
  cmp    $0xffffffff,%eax
  je     L19
  test   %eax,%eax
  je     L50
  mov    (%rsp),%eax
  mov    %eax,0x0(%rbp)
  mov    0x4(%rsp),%edi
  mov    $0x0,%eax
  call   <close@plt>
  jmp    L33
L19:
  mov    (%rsp),%edi
  mov    $0x0,%eax
  call   <close@plt>
  mov    0x4(%rsp),%edi
  mov    $0x0,%eax
  call   <close@plt>
L33:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L39
  mov    %ebx,%eax
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  ret
L50:
  mov    (%rsp),%edi
  mov    $0x0,%eax
  call   <close@plt>
  mov    0x4(%rsp),%edi
  mov    $0x0,%eax
  call   <login_tty@plt>
  mov    %eax,%ebx
  test   %eax,%eax
  je     L33
  mov    $0x1,%edi
  call   <_exit@plt>
L39:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int forkpty(amaster, name, termp, winp)
int *amaster;
char *name;
const struct termios *termp;
const struct winsize *winp;
{
  int master, slave, pid;
  if (openpty(&master, &slave, name, termp, winp) == -1)
    return -1;
  switch (pid = fork()) {
  case -1:
    close(master);
    close(slave);
    return -1;
  case 0:
    close(master);
    if (login_tty(slave))
      _exit(1);
    return 0;
  default:
    *amaster = master;
    close(slave);
    return pid;
  }
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<forkpty>:
  endbr64
  push   %r12
  mov    %rsi,%r9
  mov    %rcx,%r8
  mov    %rdx,%rcx
  push   %rbx
  mov    %r9,%rdx
  mov    %rdi,%rbx
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rsi
  mov    %rsp,%rdi
  call   <openpty@plt>
  mov    %eax,%r12d
  cmp    $0xffffffff,%eax
  je     L37
  call   <fork@plt>
  mov    %eax,%r12d
  cmp    $0xffffffff,%eax
  je     L32
  test   %eax,%eax
  je     L11
  mov    (%rsp),%eax
  mov    0x4(%rsp),%edi
  mov    %eax,(%rbx)
  xor    %eax,%eax
  call   <close@plt>
L37:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L34
  add    $0x18,%rsp
  mov    %r12d,%eax
  pop    %rbx
  pop    %r12
  ret
  nopl   0x0(%rax,%rax,1)
L11:
  mov    (%rsp),%edi
  xor    %eax,%eax
  call   <close@plt>
  mov    0x4(%rsp),%edi
  xor    %eax,%eax
  call   <login_tty@plt>
  mov    %eax,%r12d
  test   %eax,%eax
  je     L37
  mov    $0x1,%edi
  call   <_exit@plt>
  cs nopw 0x0(%rax,%rax,1)
L32:
  mov    (%rsp),%edi
  xor    %eax,%eax
  call   <close@plt>
  mov    0x4(%rsp),%edi
  xor    %eax,%eax
  call   <close@plt>
  jmp    L37
L34:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int forkpty(amaster, name, termp, winp)
int *amaster;
char *name;
const struct termios *termp;
const struct winsize *winp;
{
  int master, slave, pid;
  if (openpty(&master, &slave, name, termp, winp) == -1)
    return -1;
  switch (pid = fork()) {
  case -1:
    close(master);
    close(slave);
    return -1;
  case 0:
    close(master);
    if (login_tty(slave))
      _exit(1);
    return 0;
  default:
    *amaster = master;
    close(slave);
    return pid;
  }
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<forkpty>:
  endbr64
  push   %r12
  mov    %rsi,%r9
  mov    %rcx,%r8
  mov    %rdx,%rcx
  push   %rbx
  mov    %r9,%rdx
  mov    %rdi,%rbx
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rsi
  mov    %rsp,%rdi
  call   <openpty@plt>
  mov    %eax,%r12d
  cmp    $0xffffffff,%eax
  je     L56
  call   <fork@plt>
  mov    %eax,%r12d
  cmp    $0xffffffff,%eax
  je     L58
  test   %eax,%eax
  je     L1
  mov    (%rsp),%eax
  mov    0x4(%rsp),%edi
  mov    %eax,(%rbx)
  xor    %eax,%eax
  call   <close@plt>
L56:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L40
  add    $0x18,%rsp
  mov    %r12d,%eax
  pop    %rbx
  pop    %r12
  ret
  nopl   0x0(%rax,%rax,1)
L1:
  mov    (%rsp),%edi
  xor    %eax,%eax
  call   <close@plt>
  mov    0x4(%rsp),%edi
  xor    %eax,%eax
  call   <login_tty@plt>
  mov    %eax,%r12d
  test   %eax,%eax
  je     L56
  mov    $0x1,%edi
  call   <_exit@plt>
  cs nopw 0x0(%rax,%rax,1)
L58:
  mov    (%rsp),%edi
  xor    %eax,%eax
  call   <close@plt>
  mov    0x4(%rsp),%edi
  xor    %eax,%eax
  call   <close@plt>
  jmp    L56
L40:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int forkpty(amaster, name, termp, winp)
int *amaster;
char *name;
const struct termios *termp;
const struct winsize *winp;
{
  int master, slave, pid;
  if (openpty(&master, &slave, name, termp, winp) == -1)
    return -1;
  switch (pid = fork()) {
  case -1:
    close(master);
    close(slave);
    return -1;
  case 0:
    close(master);
    if (login_tty(slave))
      _exit(1);
    return 0;
  default:
    *amaster = master;
    close(slave);
    return pid;
  }
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<find_next_zero_bit>:
  endbr64
  mov    %rsi,%rax
  cmp    %rsi,%rdx
  jae    L37
  mov    %rdx,%rax
  shr    $0x6,%rax
  lea    (%rdi,%rax,8),%rdi
  mov    %rdx,%r8
  and    $0xffffffffffffffc0,%r8
  sub    %r8,%rsi
  and    $0x3f,%edx
  je     L23
  mov    $0x40,%ecx
  sub    %edx,%ecx
  mov    $0xffffffffffffffff,%rdx
  shr    %cl,%rdx
  or     (%rdi),%rdx
  cmp    $0x3f,%rsi
  jbe    L73
  cmp    $0xffffffffffffffff,%rdx
  jne    L1
  add    $0x8,%rdi
  sub    $0x40,%rsi
  add    $0x40,%r8
L23:
  test   $0xffffffffffffffc0,%rsi
  je     L54
  mov    %r8,%rax
  add    %r8,%rsi
L89:
  add    $0x8,%rdi
  mov    -0x8(%rdi),%rdx
  cmp    $0xffffffffffffffff,%rdx
  jne    L35
  add    $0x40,%rax
  mov    %rsi,%rcx
  sub    %rax,%rcx
  test   $0xffffffffffffffc0,%rcx
  jne    L89
L80:
  test   %rcx,%rcx
  je     L37
  mov    (%rdi),%rdx
  mov    %rcx,%rsi
L31:
  mov    $0xffffffffffffffff,%rdi
  mov    %esi,%ecx
  shl    %cl,%rdi
  or     %rdi,%rdx
  cmp    $0xffffffffffffffff,%rdx
  je     L102
L35:
  not    %rdx
  bsf    %rdx,%rdx
  mov    $0xffffffffffffffff,%rcx
  cmove  %rcx,%rdx
  movslq %edx,%rdx
  add    %rdx,%rax
L37:
  ret
L54:
  mov    %r8,%rax
  mov    %rsi,%rcx
  jmp    L80
L73:
  mov    %r8,%rax
  jmp    L31
L102:
  add    %rsi,%rax
  ret
L1:
  mov    %r8,%rax
  jmp    L35
```

assistant: ```c
unsigned long find_next_zero_bit(const unsigned long *addr, unsigned long size, unsigned long offset) {
  const unsigned long *p = addr + ((offset) / ((int)((sizeof(long) * 8))));
  unsigned long result = offset & ~(((int)((sizeof(long) * 8))) - 1);
  unsigned long tmp;
  if (offset >= size)
    return size;
  size -= result;
  offset %= ((int)((sizeof(long) * 8)));
  if (offset) {
    tmp = *(p++);
    tmp |= ~0UL >> (((int)((sizeof(long) * 8))) - offset);
    if (size < ((int)((sizeof(long) * 8))))
      goto found_first;
    if (~tmp)
      goto found_middle;
    size -= ((int)((sizeof(long) * 8)));
    result += ((int)((sizeof(long) * 8)));
  }
  while (size & ~(((int)((sizeof(long) * 8))) - 1)) {
    if (~(tmp = *(p++)))
      goto found_middle;
    result += ((int)((sizeof(long) * 8)));
    size -= ((int)((sizeof(long) * 8)));
  }
  if (!size)
    return result;
  tmp = *p;
found_first:
  tmp |= ~0UL << size;
  if (tmp == ~0UL)
    return result + size;
found_middle:
  return result + (__builtin_ffsl(~(tmp)) - 1);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<find_next_zero_bit>:
  endbr64
  mov    %rsi,%rax
  cmp    %rsi,%rdx
  jae    L65
  mov    %rdx,%rax
  shr    $0x6,%rax
  lea    (%rdi,%rax,8),%rdi
  mov    %rdx,%rax
  and    $0xffffffffffffffc0,%rax
  sub    %rax,%rsi
  and    $0x3f,%edx
  jne    L6
L20:
  test   $0xffffffffffffffc0,%rsi
  je     L105
  add    %rax,%rsi
  jmp    L80
  nopl   0x0(%rax)
L72:
  add    $0x40,%rax
  mov    %rsi,%rcx
  sub    %rax,%rcx
  test   $0xffffffffffffffc0,%rcx
  je     L61
L80:
  mov    (%rdi),%rdx
  add    $0x8,%rdi
  cmp    $0xffffffffffffffff,%rdx
  je     L72
L54:
  not    %rdx
  tzcnt  %rdx,%rdx
  movslq %edx,%rdx
  add    %rdx,%rax
L65:
  ret
  nopw   0x0(%rax,%rax,1)
L6:
  mov    $0x40,%ecx
  sub    %edx,%ecx
  mov    $0xffffffffffffffff,%rdx
  shr    %cl,%rdx
  or     (%rdi),%rdx
  cmp    $0x3f,%rsi
  jbe    L109
  cmp    $0xffffffffffffffff,%rdx
  jne    L54
  add    $0x8,%rdi
  sub    $0x40,%rsi
  add    $0x40,%rax
  jmp    L20
L105:
  mov    %rsi,%rcx
  nopl   0x0(%rax)
L61:
  test   %rcx,%rcx
  je     L65
  mov    (%rdi),%rdx
  mov    %rcx,%rsi
L109:
  mov    $0xffffffffffffffff,%rdi
  mov    %esi,%ecx
  shl    %cl,%rdi
  or     %rdi,%rdx
  cmp    $0xffffffffffffffff,%rdx
  jne    L54
  add    %rsi,%rax
  ret
```

assistant: ```c
unsigned long find_next_zero_bit(const unsigned long *addr, unsigned long size, unsigned long offset) {
  const unsigned long *p = addr + ((offset) / ((int)((sizeof(long) * 8))));
  unsigned long result = offset & ~(((int)((sizeof(long) * 8))) - 1);
  unsigned long tmp;
  if (offset >= size)
    return size;
  size -= result;
  offset %= ((int)((sizeof(long) * 8)));
  if (offset) {
    tmp = *(p++);
    tmp |= ~0UL >> (((int)((sizeof(long) * 8))) - offset);
    if (size < ((int)((sizeof(long) * 8))))
      goto found_first;
    if (~tmp)
      goto found_middle;
    size -= ((int)((sizeof(long) * 8)));
    result += ((int)((sizeof(long) * 8)));
  }
  while (size & ~(((int)((sizeof(long) * 8))) - 1)) {
    if (~(tmp = *(p++)))
      goto found_middle;
    result += ((int)((sizeof(long) * 8)));
    size -= ((int)((sizeof(long) * 8)));
  }
  if (!size)
    return result;
  tmp = *p;
found_first:
  tmp |= ~0UL << size;
  if (tmp == ~0UL)
    return result + size;
found_middle:
  return result + (__builtin_ffsl(~(tmp)) - 1);
}
```