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

```asm
<TEST_numbers>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  lea    D20(%rip),%rax
  mov    %rax,%rsi
  lea    D41(%rip),%rax
  mov    %rax,%rdi
  call   <test@plt>
  lea    D21(%rip),%rax
  mov    %rax,%rsi
  lea    D34(%rip),%rax
  mov    %rax,%rdi
  call   <test@plt>
  lea    D38(%rip),%rax
  mov    %rax,%rsi
  lea    D24(%rip),%rax
  mov    %rax,%rdi
  call   <test@plt>
  nop
  pop    %rbp
  ret
```

tool_calls: name: disassemble_data
arguments: tag: D20
type_infered: string
name: disassemble_data
arguments: tag: D41
type_infered: string
name: disassemble_data
arguments: tag: D21
type_infered: string
name: disassemble_data
arguments: tag: D34
type_infered: string
name: disassemble_data
arguments: tag: D38
type_infered: string
name: disassemble_data
arguments: tag: D24
type_infered: string

tool: D20: main(){printf("%d", 0777);}

tool: D41: 511

tool: D21: main(){printf("%d %d", 0xff, 0XFF);}

tool: D34: 255 255

tool: D38: main(){printf("%d %d", 0b111, 0B111);}

tool: D24: 7 7

assistant: ```c
void TEST_numbers(void) {
  test("511", "main(){printf(\"%d\", 0777);}");
  test("255 255", "main(){printf(\"%d %d\", 0xff, 0XFF);}");
  test("7 7", "main(){printf(\"%d %d\", 0b111, 0B111);}");
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<TEST_numbers>:
  endbr64
  sub    $0x8,%rsp
  lea    D27(%rip),%rsi
  lea    D21(%rip),%rdi
  call   <test@plt>
  lea    D1(%rip),%rsi
  lea    D29(%rip),%rdi
  call   <test@plt>
  lea    D26(%rip),%rsi
  lea    D13(%rip),%rdi
  call   <test@plt>
  add    $0x8,%rsp
  ret
```

tool_calls: name: unpack_data
arguments: data_label: D27
datatype: string
name: unpack_data
arguments: data_label: D21
datatype: string
name: unpack_data
arguments: data_label: D1
datatype: string
name: unpack_data
arguments: data_label: D29
datatype: string
name: unpack_data
arguments: data_label: D26
datatype: string
name: unpack_data
arguments: data_label: D13
datatype: string

tool: D27: main(){printf("%d", 0777);}

tool: D21: 511

tool: D1: main(){printf("%d %d", 0xff, 0XFF);}

tool: D29: 255 255

tool: D26: main(){printf("%d %d", 0b111, 0B111);}

tool: D13: 7 7

assistant: ```c
void TEST_numbers(void) {
  test("511", "main(){printf(\"%d\", 0777);}");
  test("255 255", "main(){printf(\"%d %d\", 0xff, 0XFF);}");
  test("7 7", "main(){printf(\"%d %d\", 0b111, 0B111);}");
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<TEST_numbers>:
  endbr64
  sub    $0x8,%rsp
  lea    D38(%rip),%rsi
  lea    D10(%rip),%rdi
  call   <test@plt>
  lea    D53(%rip),%rsi
  lea    D5(%rip),%rdi
  call   <test@plt>
  lea    D45(%rip),%rsi
  lea    D54(%rip),%rdi
  add    $0x8,%rsp
  jmp    1050 <test@plt>
```

tool_calls: name: unpack_data
arguments: data_label: D38
type: string
name: unpack_data
arguments: data_label: D10
type: string
name: unpack_data
arguments: data_label: D53
type: string
name: unpack_data
arguments: data_label: D5
type: string
name: unpack_data
arguments: data_label: D45
type: string
name: unpack_data
arguments: data_label: D54
type: string

tool: D38: main(){printf("%d", 0777);}

tool: D10: 511

tool: D53: main(){printf("%d %d", 0xff, 0XFF);}

tool: D5: 255 255

tool: D45: main(){printf("%d %d", 0b111, 0B111);}

tool: D54: 7 7

assistant: ```c
void TEST_numbers(void) {
  test("511", "main(){printf(\"%d\", 0777);}");
  test("255 255", "main(){printf(\"%d %d\", 0xff, 0XFF);}");
  test("7 7", "main(){printf(\"%d %d\", 0b111, 0B111);}");
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<TEST_numbers>:
  endbr64
  sub    $0x8,%rsp
  lea    D10(%rip),%rsi
  lea    D1(%rip),%rdi
  call   <test@plt>
  lea    D41(%rip),%rsi
  lea    D39(%rip),%rdi
  call   <test@plt>
  lea    D20(%rip),%rsi
  lea    D40(%rip),%rdi
  add    $0x8,%rsp
  jmp    1050 <test@plt>
```

tool_calls: name: parse_data
arguments: label: D10
type_guessed: string
name: parse_data
arguments: label: D1
type_guessed: string
name: parse_data
arguments: label: D41
type_guessed: string
name: parse_data
arguments: label: D39
type_guessed: string
name: parse_data
arguments: label: D20
type_guessed: string
name: parse_data
arguments: label: D40
type_guessed: string

tool: D10: main(){printf("%d", 0777);}

tool: D1: 511

tool: D41: main(){printf("%d %d", 0xff, 0XFF);}

tool: D39: 255 255

tool: D20: main(){printf("%d %d", 0b111, 0B111);}

tool: D40: 7 7

assistant: ```c
void TEST_numbers(void) {
  test("511", "main(){printf(\"%d\", 0777);}");
  test("255 255", "main(){printf(\"%d %d\", 0xff, 0XFF);}");
  test("7 7", "main(){printf(\"%d %d\", 0b111, 0B111);}");
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<possible_trees_aux>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    -0x28(%rbp),%rax
  cmp    -0x30(%rbp),%rax
  jb     L27
  mov    $0x1,%eax
  jmp    L6
L27:
  movl   $0x0,-0x1c(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,-0x18(%rbp)
  jmp    L17
L14:
  mov    -0x18(%rbp),%rdx
  mov    -0x28(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <possible_trees_aux>
  mov    %eax,%ebx
  mov    -0x18(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    -0x30(%rbp),%rax
  mov    %rax,%rsi
  mov    %rdx,%rdi
  call   <possible_trees_aux>
  imul   %ebx,%eax
  add    %eax,-0x1c(%rbp)
  addq   $0x1,-0x18(%rbp)
L17:
  mov    -0x18(%rbp),%rax
  cmp    -0x30(%rbp),%rax
  jb     L14
  mov    -0x1c(%rbp),%eax
L6:
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
unsigned possible_trees_aux(size_t begin, size_t end) {
  if (begin >= end) {
    return 1;
  }
  unsigned res = 0;
  size_t i;
  for (i = begin; i < end; i++) {
    res += possible_trees_aux(begin, i) * possible_trees_aux(i + 1, end);
  }
  return res;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<possible_trees_aux>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    $0x1,%r13d
  cmp    %rsi,%rdi
  jae    L13
  mov    %rdi,%r14
  mov    %rsi,%r12
  mov    %rdi,%rbp
  mov    $0x0,%r13d
L8:
  mov    %rbp,%rsi
  mov    %r14,%rdi
  call   <possible_trees_aux>
  mov    %eax,%ebx
  add    $0x1,%rbp
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <possible_trees_aux>
  imul   %eax,%ebx
  add    %ebx,%r13d
  cmp    %r12,%rbp
  jb     L8
L13:
  mov    %r13d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

assistant: ```c
unsigned possible_trees_aux(size_t begin, size_t end) {
  if (begin >= end) {
    return 1;
  }
  unsigned res = 0;
  size_t i;
  for (i = begin; i < end; i++) {
    res += possible_trees_aux(begin, i) * possible_trees_aux(i + 1, end);
  }
  return res;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<safe_bcopy>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r12
  push   %rbx
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %edx,-0x24(%rbp)
  cmpl   $0x0,-0x24(%rbp)
  jle    L16
  mov    -0x18(%rbp),%rax
  cmp    -0x20(%rbp),%rax
  je     L16
  mov    -0x20(%rbp),%rax
  cmp    -0x18(%rbp),%rax
  jb     L78
  mov    -0x24(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  cmp    %rax,-0x20(%rbp)
  jb     L45
L78:
  mov    -0x24(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rcx
  mov    -0x20(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <memmove@plt>
  jmp    L63
L45:
  mov    -0x24(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  lea    (%rdx,%rax,1),%r12
  mov    -0x24(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x20(%rbp),%rax
  lea    (%rdx,%rax,1),%rbx
  mov    -0x20(%rbp),%rax
  sub    -0x18(%rbp),%rax
  cmp    $0x3f,%rax
  jg     L36
L71:
  sub    $0x1,%r12
  sub    $0x1,%rbx
  movzbl (%r12),%eax
  mov    %al,(%rbx)
  cmp    -0x18(%rbp),%r12
  jne    L71
  jmp    L63
L36:
  mov    -0x20(%rbp),%rax
  sub    -0x18(%rbp),%rax
  neg    %rax
  add    %rax,%rbx
  mov    -0x20(%rbp),%rax
  sub    -0x18(%rbp),%rax
  neg    %rax
  add    %rax,%r12
  cmp    -0x20(%rbp),%rbx
  jb     L68
  mov    -0x20(%rbp),%rax
  sub    -0x18(%rbp),%rax
  mov    %rax,%rdx
  mov    %r12,%rsi
  mov    %rbx,%rdi
  call   <memmove@plt>
  jmp    L36
L68:
  nop
  mov    %rbx,%rax
  sub    -0x18(%rbp),%rax
  mov    %rax,%rdx
  mov    -0x18(%rbp),%rcx
  mov    -0x20(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <memmove@plt>
  jmp    L63
L16:
  nop
L63:
  add    $0x20,%rsp
  pop    %rbx
  pop    %r12
  pop    %rbp
  ret
```

assistant: ```c
void safe_bcopy(from, to, size) char *from, *to;
int size;
{
  if (size <= 0 || from == to)
    return;
  if (to < from || from + size <= to)
    bcopy((from), (to), (size));
  else {
    register char *endf = from + size;
    register char *endt = to + size;
    if (to - from < 64) {
      do
        *--endt = *--endf;
      while (endf != from);
    } else {
      for (;;) {
        endt -= (to - from);
        endf -= (to - from);
        if (endt < to)
          break;
        bcopy((endf), (endt), (to - from));
      }
      bcopy((from), (to), (endt - from));
    }
  }
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<safe_bcopy>:
  endbr64
  test   %edx,%edx
  jle    L25
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbx
  mov    %rsi,%rbp
  cmp    %rsi,%rdi
  je     L70
  ja     L59
  movslq %edx,%r12
  lea    (%rdi,%r12,1),%r13
  cmp    %rsi,%r13
  ja     L5
L59:
  movslq %edx,%rdx
  mov    %rbx,%rsi
  mov    %rbp,%rdi
  call   <memmove@plt>
L70:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L5:
  add    %rsi,%r12
  mov    %rsi,%r15
  sub    %rdi,%r15
  cmp    $0x3f,%r15
  jg     L92
  sub    $0x1,%rbx
  sub    %r13,%rbx
  mov    $0xffffffffffffffff,%rax
L87:
  movzbl 0x0(%r13,%rax,1),%edx
  mov    %dl,(%r12,%rax,1)
  sub    $0x1,%rax
  cmp    %rax,%rbx
  jne    L87
  jmp    L70
L92:
  mov    %r15,%r14
  neg    %r14
  sub    %r15,%r12
  sub    %r15,%r13
  cmp    %r12,%rsi
  ja     L47
L1:
  mov    %r15,%rdx
  mov    %r13,%rsi
  mov    %r12,%rdi
  call   <memmove@plt>
  add    %r14,%r12
  add    %r14,%r13
  cmp    %r12,%rbp
  jbe    L1
L47:
  mov    %r12,%rdx
  sub    %rbx,%rdx
  mov    %rbx,%rsi
  mov    %rbp,%rdi
  call   <memmove@plt>
  jmp    L70
L25:
  ret
```

assistant: ```c
void safe_bcopy(from, to, size) char *from, *to;
int size;
{
  if (size <= 0 || from == to)
    return;
  if (to < from || from + size <= to)
    bcopy((from), (to), (size));
  else {
    register char *endf = from + size;
    register char *endt = to + size;
    if (to - from < 64) {
      do
        *--endt = *--endf;
      while (endf != from);
    } else {
      for (;;) {
        endt -= (to - from);
        endf -= (to - from);
        if (endt < to)
          break;
        bcopy((endf), (endt), (to - from));
      }
      bcopy((from), (to), (endt - from));
    }
  }
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<safe_bcopy>:
  endbr64
  test   %edx,%edx
  jle    L15
  push   %r14
  push   %r13
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  cmp    %rsi,%rdi
  je     L76
  movslq %edx,%rdx
  ja     L47
  lea    (%rdi,%rdx,1),%rbx
  cmp    %rsi,%rbx
  jbe    L47
  mov    %rsi,%r14
  lea    (%rsi,%rdx,1),%rcx
  sub    %rdi,%r14
  cmp    $0x3f,%r14
  jg     L36
  sub    $0x1,%rbp
  mov    $0xffffffffffffffff,%rax
  sub    %rbx,%rbp
  nop
L35:
  movzbl (%rbx,%rax,1),%edx
  mov    %dl,(%rcx,%rax,1)
  sub    $0x1,%rax
  cmp    %rax,%rbp
  jne    L35
L76:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   0x0(%rax)
L36:
  mov    %r14,%r13
  sub    %r14,%rcx
  sub    %r14,%rbx
  neg    %r13
  cmp    %rcx,%rsi
  ja     L19
  nopl   0x0(%rax)
L65:
  mov    %rbx,%rsi
  mov    %rcx,%rdi
  mov    %r14,%rdx
  add    %r13,%rbx
  call   <memmove@plt>
  mov    %rax,%rcx
  add    %r13,%rcx
  cmp    %rcx,%r12
  jbe    L65
L19:
  sub    %rbp,%rcx
  mov    %rcx,%rdx
L47:
  pop    %rbx
  mov    %rbp,%rsi
  mov    %r12,%rdi
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  jmp    1050 <memmove@plt>
  nopl   (%rax)
L15:
  ret
```

assistant: ```c
void safe_bcopy(from, to, size) char *from, *to;
int size;
{
  if (size <= 0 || from == to)
    return;
  if (to < from || from + size <= to)
    bcopy((from), (to), (size));
  else {
    register char *endf = from + size;
    register char *endt = to + size;
    if (to - from < 64) {
      do
        *--endt = *--endf;
      while (endf != from);
    } else {
      for (;;) {
        endt -= (to - from);
        endf -= (to - from);
        if (endt < to)
          break;
        bcopy((endf), (endt), (to - from));
      }
      bcopy((from), (to), (endt - from));
    }
  }
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<safe_bcopy>:
  endbr64
  test   %edx,%edx
  jle    L17
  push   %r14
  push   %r13
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  cmp    %rsi,%rdi
  je     L50
  movslq %edx,%rdx
  ja     L75
  lea    (%rdi,%rdx,1),%rbx
  cmp    %rsi,%rbx
  jbe    L75
  mov    %rsi,%r14
  lea    (%rsi,%rdx,1),%rcx
  sub    %rdi,%r14
  cmp    $0x3f,%r14
  jg     L31
  sub    $0x1,%rbp
  mov    $0xffffffffffffffff,%rax
  sub    %rbx,%rbp
  nop
L67:
  movzbl (%rbx,%rax,1),%edx
  mov    %dl,(%rcx,%rax,1)
  sub    $0x1,%rax
  cmp    %rax,%rbp
  jne    L67
L50:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   0x0(%rax)
L31:
  mov    %r14,%r13
  sub    %r14,%rcx
  sub    %r14,%rbx
  neg    %r13
  cmp    %rcx,%rsi
  ja     L78
  nopl   0x0(%rax)
L61:
  mov    %rbx,%rsi
  mov    %rcx,%rdi
  mov    %r14,%rdx
  add    %r13,%rbx
  call   <memmove@plt>
  mov    %rax,%rcx
  add    %r13,%rcx
  cmp    %rcx,%r12
  jbe    L61
L78:
  sub    %rbp,%rcx
  mov    %rcx,%rdx
L75:
  pop    %rbx
  mov    %rbp,%rsi
  mov    %r12,%rdi
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  jmp    1050 <memmove@plt>
  nopl   (%rax)
L17:
  ret
```

assistant: ```c
void safe_bcopy(from, to, size) char *from, *to;
int size;
{
  if (size <= 0 || from == to)
    return;
  if (to < from || from + size <= to)
    bcopy((from), (to), (size));
  else {
    register char *endf = from + size;
    register char *endt = to + size;
    if (to - from < 64) {
      do
        *--endt = *--endf;
      while (endf != from);
    } else {
      for (;;) {
        endt -= (to - from);
        endf -= (to - from);
        if (endt < to)
          break;
        bcopy((endf), (endt), (to - from));
      }
      bcopy((from), (to), (endt - from));
    }
  }
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<strcmp>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  cmpq   $0x0,-0x18(%rbp)
  je     L27
  cmpq   $0x0,-0x20(%rbp)
  jne    L66
L27:
  mov    -0x18(%rbp),%rax
  sub    -0x20(%rbp),%rax
  jmp    L36
L66:
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x20(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  jmp    L7
L52:
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%edx
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  cmp    %al,%dl
  jne    L18
  addq   $0x1,-0x10(%rbp)
  addq   $0x1,-0x8(%rbp)
L7:
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L58
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L52
  jmp    L58
L18:
  nop
L58:
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%edx
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%ecx
  mov    %edx,%eax
  sub    %ecx,%eax
L36:
  pop    %rbp
  ret
```

assistant: ```c
int strcmp(const char *s1, const char *s2) {
  if ((s1 == 0) || (s2 == 0)) {
    return (s1 - s2);
  }
  const char *p1 = s1;
  const char *p2 = s2;
  for (; *p1 && *p2; p1++, p2++) {
    if (*p1 != *p2) {
      break;
    }
  }
  return (*p1 - *p2);
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<strcmp>:
  endbr64
  movzbl (%rdi),%eax
  test   %al,%al
  je     L39
L6:
  movzbl (%rsi),%edx
  cmp    %al,%dl
  jne    L39
  test   %dl,%dl
  je     L39
  add    $0x1,%rdi
  add    $0x1,%rsi
  movzbl (%rdi),%eax
  test   %al,%al
  jne    L6
L39:
  movsbl %al,%eax
  movsbl (%rsi),%edx
  sub    %edx,%eax
  ret
```

assistant: ```c
int strcmp(const char *s1, const char *s2) {
  if ((s1 == 0) || (s2 == 0)) {
    return (s1 - s2);
  }
  const char *p1 = s1;
  const char *p2 = s2;
  for (; *p1 && *p2; p1++, p2++) {
    if (*p1 != *p2) {
      break;
    }
  }
  return (*p1 - *p2);
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<strcmp>:
  endbr64
  movsbl (%rdi),%eax
  test   %al,%al
  jne    L29
  jmp    L58
  nopl   (%rax)
L10:
  test   %dl,%dl
  je     L45
  movsbl 0x1(%rdi),%eax
  add    $0x1,%rdi
  lea    0x1(%rsi),%rdx
  test   %al,%al
  je     L14
  mov    %rdx,%rsi
L29:
  movsbl (%rsi),%edx
  cmp    %al,%dl
  je     L10
L45:
  sub    %edx,%eax
  ret
  nopl   0x0(%rax)
L14:
  movsbl 0x1(%rsi),%edx
  xor    %eax,%eax
  sub    %edx,%eax
  ret
L58:
  movsbl (%rsi),%edx
  xor    %eax,%eax
  jmp    L45
```

assistant: ```c
int strcmp(const char *s1, const char *s2) {
  if ((s1 == 0) || (s2 == 0)) {
    return (s1 - s2);
  }
  const char *p1 = s1;
  const char *p2 = s2;
  for (; *p1 && *p2; p1++, p2++) {
    if (*p1 != *p2) {
      break;
    }
  }
  return (*p1 - *p2);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<strcmp>:
  endbr64
  movsbl (%rdi),%eax
  test   %al,%al
  jne    L33
  jmp    L43
  nopl   (%rax)
L32:
  test   %dl,%dl
  je     L22
  movsbl 0x1(%rdi),%eax
  add    $0x1,%rdi
  lea    0x1(%rsi),%rdx
  test   %al,%al
  je     L9
  mov    %rdx,%rsi
L33:
  movsbl (%rsi),%edx
  cmp    %al,%dl
  je     L32
L22:
  sub    %edx,%eax
  ret
  nopl   0x0(%rax)
L9:
  movsbl 0x1(%rsi),%edx
  xor    %eax,%eax
  sub    %edx,%eax
  ret
L43:
  movsbl (%rsi),%edx
  xor    %eax,%eax
  jmp    L22
```

assistant: ```c
int strcmp(const char *s1, const char *s2) {
  if ((s1 == 0) || (s2 == 0)) {
    return (s1 - s2);
  }
  const char *p1 = s1;
  const char *p2 = s2;
  for (; *p1 && *p2; p1++, p2++) {
    if (*p1 != *p2) {
      break;
    }
  }
  return (*p1 - *p2);
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<lower_bound>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x50,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %rdx,-0x38(%rbp)
  mov    %rcx,-0x40(%rbp)
  mov    %r8,-0x48(%rbp)
  mov    -0x40(%rbp),%rax
  neg    %rax
  mov    %rax,%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x38(%rbp),%rax
  sub    $0x1,%rax
  imul   -0x40(%rbp),%rax
  mov    %rax,%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x10(%rbp)
  jmp    L5
L3:
  mov    -0x10(%rbp),%rax
  sub    -0x18(%rbp),%rax
  mov    %rax,%rcx
  mov    -0x40(%rbp),%rax
  lea    (%rax,%rax,1),%rsi
  mov    %rcx,%rax
  mov    $0x0,%edx
  div    %rsi
  imul   -0x40(%rbp),%rax
  mov    %rax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x8(%rbp)
  mov    -0x8(%rbp),%rdx
  mov    -0x28(%rbp),%rax
  mov    -0x48(%rbp),%rcx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   *%rcx
  test   %eax,%eax
  jg     L0
  mov    -0x8(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  jmp    L5
L0:
  mov    -0x8(%rbp),%rax
  mov    %rax,-0x18(%rbp)
L5:
  mov    -0x18(%rbp),%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  cmp    %rax,-0x10(%rbp)
  ja     L3
  mov    -0x10(%rbp),%rax
  leave
  ret
```

assistant: ```c
void *lower_bound(const void *key, const void *base, size_t nmemb, size_t size, int (*compar)(const void *, const void *)) {
  void *left = (void *)base - size, *right = (void *)base + size * (nmemb - 1), *mid;
  while (left + size < right) {
    mid = left + ((right - left) / (size << 1) * size);
    if (compar(key, mid) <= 0) {
      right = mid;
    } else {
      left = mid;
    }
  }
  return right;
}
```
user: Translate the below assembly code into C programming language:

```asm
<lower_bound>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %rdi,0x8(%rsp)
  mov    %rsi,%rbp
  sub    %rcx,%rbp
  sub    $0x1,%rdx
  imul   %rcx,%rdx
  lea    (%rsi,%rdx,1),%r12
  cmp    %r12,%rsi
  jae    L11
  mov    %rcx,%r13
  mov    %r8,%r15
  lea    (%rcx,%rcx,1),%r14
L5:
  mov    %r12,%rax
  sub    %rbp,%rax
  mov    $0x0,%edx
  div    %r14
  imul   %r13,%rax
  lea    0x0(%rbp,%rax,1),%rbx
  mov    %rbx,%rsi
  mov    0x8(%rsp),%rdi
  call   *%r15
  test   %eax,%eax
  cmovg  %rbx,%rbp
  cmovle %rbx,%r12
  lea    0x0(%rbp,%r13,1),%rax
  cmp    %rax,%r12
  ja     L5
L11:
  mov    %r12,%rax
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void *lower_bound(const void *key, const void *base, size_t nmemb, size_t size, int (*compar)(const void *, const void *)) {
  void *left = (void *)base - size, *right = (void *)base + size * (nmemb - 1), *mid;
  while (left + size < right) {
    mid = left + ((right - left) / (size << 1) * size);
    if (compar(key, mid) <= 0) {
      right = mid;
    } else {
      left = mid;
    }
  }
  return right;
}
```
user: What is the c source code of the assembly code below?

```asm
<lower_bound>:
  endbr64
  sub    $0x1,%rdx
  push   %r15
  imul   %rcx,%rdx
  push   %r14
  mov    %rsi,%r14
  push   %r13
  sub    %rcx,%r14
  push   %r12
  push   %rbp
  lea    (%rsi,%rdx,1),%r15
  push   %rbx
  sub    $0x18,%rsp
  cmp    %r15,%rsi
  jae    L3
  lea    (%rcx,%rcx,1),%rax
  mov    %rdi,%r12
  mov    %rcx,%rbp
  mov    %r8,%r13
  mov    %rax,0x8(%rsp)
  nopl   0x0(%rax,%rax,1)
L19:
  mov    %r15,%rax
  xor    %edx,%edx
  mov    %r12,%rdi
  sub    %r14,%rax
  divq   0x8(%rsp)
  imul   %rbp,%rax
  lea    (%r14,%rax,1),%rbx
  mov    %rbx,%rsi
  call   *%r13
  test   %eax,%eax
  cmovg  %rbx,%r14
  cmovle %rbx,%r15
  lea    (%r14,%rbp,1),%rax
  cmp    %rax,%r15
  ja     L19
L3:
  add    $0x18,%rsp
  mov    %r15,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void *lower_bound(const void *key, const void *base, size_t nmemb, size_t size, int (*compar)(const void *, const void *)) {
  void *left = (void *)base - size, *right = (void *)base + size * (nmemb - 1), *mid;
  while (left + size < right) {
    mid = left + ((right - left) / (size << 1) * size);
    if (compar(key, mid) <= 0) {
      right = mid;
    } else {
      left = mid;
    }
  }
  return right;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<lower_bound>:
  endbr64
  sub    $0x1,%rdx
  push   %r15
  mov    %rsi,%r15
  imul   %rcx,%rdx
  push   %r14
  sub    %rcx,%r15
  push   %r13
  push   %r12
  push   %rbp
  lea    (%rsi,%rdx,1),%r14
  push   %rbx
  sub    $0x18,%rsp
  cmp    %r14,%rsi
  jae    L28
  lea    (%rcx,%rcx,1),%rax
  mov    %rdi,%r12
  mov    %rcx,%rbp
  mov    %r8,%r13
  mov    %rax,0x8(%rsp)
  nopl   0x0(%rax,%rax,1)
L1:
  mov    %r14,%rax
  xor    %edx,%edx
  mov    %r12,%rdi
  sub    %r15,%rax
  divq   0x8(%rsp)
  imul   %rbp,%rax
  lea    (%r15,%rax,1),%rbx
  mov    %rbx,%rsi
  call   *%r13
  test   %eax,%eax
  jle    L2
  lea    (%rbx,%rbp,1),%rax
  cmp    %rax,%r14
  jbe    L28
  mov    %rbx,%r15
  jmp    L1
L2:
  lea    (%r15,%rbp,1),%rax
  mov    %rbx,%r14
  cmp    %rax,%rbx
  ja     L1
L28:
  add    $0x18,%rsp
  mov    %r14,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void *lower_bound(const void *key, const void *base, size_t nmemb, size_t size, int (*compar)(const void *, const void *)) {
  void *left = (void *)base - size, *right = (void *)base + size * (nmemb - 1), *mid;
  while (left + size < right) {
    mid = left + ((right - left) / (size << 1) * size);
    if (compar(key, mid) <= 0) {
      right = mid;
    } else {
      left = mid;
    }
  }
  return right;
}
```