ylfeng/ReF-Decompile-dataset huggingface dataset:
user: What is the c source code of the assembly code below:

```asm
<visual_depth>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x38(%rbp)
  mov    %rsi,-0x40(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    -0x38(%rbp),%rax
  mov    %rax,%rdi
  call   <DisplayOfScreen@plt>
  mov    %rax,-0x28(%rbp)
  mov    -0x38(%rbp),%rax
  mov    %rax,%rdi
  call   <screen_number@plt>
  mov    %eax,-0xc(%rbp)
  mov    -0x40(%rbp),%rax
  mov    %rax,%rdi
  call   <XVisualIDFromVisual@plt>
  mov    %eax,-0x10(%rbp)
  mov    D18(%rip),%rax
  mov    (%rax),%edx
  mov    D14(%rip),%rax
  mov    (%rax),%eax
  mov    %edx,%esi
  or     %eax,%esi
  lea    -0x30(%rbp),%rcx
  lea    -0x14(%rbp),%rdx
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdi
  call   <XGetVisualInfo@plt>
  mov    %rax,-0x20(%rbp)
  cmpq   $0x0,-0x20(%rbp)
  jne    L4
  mov    $0x0,%eax
  call   <abort@plt>
L4:
  mov    -0x20(%rbp),%rax
  mov    (%rax),%eax
  mov    %eax,-0x2c(%rbp)
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <XFree@plt>
  mov    -0x2c(%rbp),%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L3
  call   <__stack_chk_fail@plt>
L3:
  leave
  ret
```

assistant: ```c
int visual_depth(Screen *screen, Visual *visual) {
  Display *dpy = DisplayOfScreen(screen);
  XVisualInfo vi_in, *vi_out;
  int out_count, d;
  vi_in.screen = screen_number(screen);
  vi_in.visualid = XVisualIDFromVisual(visual);
  vi_out = XGetVisualInfo(dpy, VisualScreenMask | VisualIDMask, &vi_in, &out_count);
  if (!vi_out)
    abort();
  d = vi_out[0].depth;
  XFree((char *)vi_out);
  return d;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<visual_depth>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x20,%rsp
  mov    %rdi,%rbx
  mov    %rsi,%r12
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  call   <DisplayOfScreen@plt>
  mov    %rax,%rbp
  mov    %rbx,%rdi
  call   <screen_number@plt>
  mov    %eax,0x14(%rsp)
  mov    %r12,%rdi
  call   <XVisualIDFromVisual@plt>
  mov    %eax,0x10(%rsp)
  lea    0x8(%rsp),%rcx
  lea    0xc(%rsp),%rdx
  mov    D4(%rip),%rax
  mov    (%rax),%esi
  mov    D9(%rip),%rax
  or     (%rax),%esi
  mov    %rbp,%rdi
  call   <XGetVisualInfo@plt>
  mov    %rax,%rbx
  test   %rax,%rax
  je     L23
L0:
  mov    (%rbx),%ebp
  mov    %rbx,%rdi
  call   <XFree@plt>
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L28
  mov    %ebp,%eax
  add    $0x20,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L23:
  mov    $0x0,%eax
  call   <abort@plt>
  jmp    L0
L28:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int visual_depth(Screen *screen, Visual *visual) {
  Display *dpy = DisplayOfScreen(screen);
  XVisualInfo vi_in, *vi_out;
  int out_count, d;
  vi_in.screen = screen_number(screen);
  vi_in.visualid = XVisualIDFromVisual(visual);
  vi_out = XGetVisualInfo(dpy, VisualScreenMask | VisualIDMask, &vi_in, &out_count);
  if (!vi_out)
    abort();
  d = vi_out[0].depth;
  XFree((char *)vi_out);
  return d;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<visual_depth>:
  endbr64
  push   %r13
  mov    %rsi,%r13
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  sub    $0x30,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  call   <DisplayOfScreen@plt>
  mov    %rbp,%rdi
  mov    %rax,%r12
  call   <screen_number@plt>
  mov    %r13,%rdi
  mov    %eax,0x24(%rsp)
  call   <XVisualIDFromVisual@plt>
  mov    %r12,%rdi
  lea    0x18(%rsp),%rcx
  lea    0x1c(%rsp),%rdx
  mov    %eax,0x20(%rsp)
  mov    D3(%rip),%rax
  mov    (%rax),%esi
  mov    D10(%rip),%rax
  or     (%rax),%esi
  call   <XGetVisualInfo@plt>
  mov    %rax,%rdi
  test   %rax,%rax
  je     L8
L9:
  mov    (%rdi),%r12d
  call   <XFree@plt>
  mov    0x28(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L12
  add    $0x30,%rsp
  mov    %r12d,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax)
L8:
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  call   <abort@plt>
  mov    0x8(%rsp),%rdi
  jmp    L9
L12:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int visual_depth(Screen *screen, Visual *visual) {
  Display *dpy = DisplayOfScreen(screen);
  XVisualInfo vi_in, *vi_out;
  int out_count, d;
  vi_in.screen = screen_number(screen);
  vi_in.visualid = XVisualIDFromVisual(visual);
  vi_out = XGetVisualInfo(dpy, VisualScreenMask | VisualIDMask, &vi_in, &out_count);
  if (!vi_out)
    abort();
  d = vi_out[0].depth;
  XFree((char *)vi_out);
  return d;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<visual_depth>:
  endbr64
  push   %r13
  mov    %rsi,%r13
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  sub    $0x30,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  call   <DisplayOfScreen@plt>
  mov    %rbp,%rdi
  mov    %rax,%r12
  call   <screen_number@plt>
  mov    %r13,%rdi
  mov    %eax,0x24(%rsp)
  call   <XVisualIDFromVisual@plt>
  mov    %r12,%rdi
  lea    0x18(%rsp),%rcx
  lea    0x1c(%rsp),%rdx
  mov    %eax,0x20(%rsp)
  mov    D4(%rip),%rax
  mov    (%rax),%esi
  mov    D19(%rip),%rax
  or     (%rax),%esi
  call   <XGetVisualInfo@plt>
  mov    %rax,%rdi
  test   %rax,%rax
  je     L18
L27:
  mov    (%rdi),%r12d
  call   <XFree@plt>
  mov    0x28(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L23
  add    $0x30,%rsp
  mov    %r12d,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax)
L18:
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  call   <abort@plt>
  mov    0x8(%rsp),%rdi
  jmp    L27
L23:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int visual_depth(Screen *screen, Visual *visual) {
  Display *dpy = DisplayOfScreen(screen);
  XVisualInfo vi_in, *vi_out;
  int out_count, d;
  vi_in.screen = screen_number(screen);
  vi_in.visualid = XVisualIDFromVisual(visual);
  vi_out = XGetVisualInfo(dpy, VisualScreenMask | VisualIDMask, &vi_in, &out_count);
  if (!vi_out)
    abort();
  d = vi_out[0].depth;
  XFree((char *)vi_out);
  return d;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<clk_delayms>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x14(%rbp)
  jmp    L13
L32:
  movl   $0x0,-0x4(%rbp)
  jmp    L39
L37:
  addl   $0x1,-0x4(%rbp)
L39:
  cmpl   $0x4af,-0x4(%rbp)
  jle    L37
L13:
  subl   $0x1,-0x14(%rbp)
  cmpl   $0x0,-0x14(%rbp)
  jg     L32
  nop
  nop
  pop    %rbp
  ret
```

assistant: ```c
void clk_delayms(int ms) {
  int j;
  while (--ms > 0) {
    for (j = 0; j < 1200; j++)
      ;
  }
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<clk_delayms>:
  endbr64
  lea    -0x1(%rdi),%edx
  test   %edx,%edx
  jle    L12
L15:
  mov    $0x4b0,%eax
L6:
  sub    $0x1,%eax
  jne    L6
  sub    $0x1,%edx
  jne    L15
  ret
L12:
  ret
```

assistant: ```c
void clk_delayms(int ms) {
  int j;
  while (--ms > 0) {
    for (j = 0; j < 1200; j++)
      ;
  }
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<clk_delayms>:
  endbr64
  ret
```

assistant: ```c
void clk_delayms(int ms) {
  int j;
  while (--ms > 0) {
    for (j = 0; j < 1200; j++)
      ;
  }
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<clk_delayms>:
  endbr64
  ret
```

assistant: ```c
void clk_delayms(int ms) {
  int j;
  while (--ms > 0) {
    for (j = 0; j < 1200; j++)
      ;
  }
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<MergeSort>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  movl   $0x1,-0x4(%rbp)
  jmp    L19
L20:
  movl   $0x0,-0xc(%rbp)
  jmp    L67
L1:
  mov    -0x4(%rbp),%eax
  lea    (%rax,%rax,1),%edx
  mov    -0xc(%rbp),%eax
  add    %edx,%eax
  sub    $0x1,%eax
  mov    %eax,-0x8(%rbp)
  mov    -0x8(%rbp),%eax
  cmp    -0x1c(%rbp),%eax
  jl     L3
  mov    -0x1c(%rbp),%eax
  sub    $0x1,%eax
  mov    %eax,-0x8(%rbp)
L3:
  mov    -0x4(%rbp),%ecx
  mov    -0x8(%rbp),%edx
  mov    -0xc(%rbp),%esi
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <SegmentMerge@plt>
  test   %eax,%eax
  je     L40
  mov    -0x8(%rbp),%eax
  add    $0x1,%eax
  mov    %eax,-0xc(%rbp)
L67:
  mov    -0x4(%rbp),%edx
  mov    -0xc(%rbp),%eax
  add    %edx,%eax
  cmp    %eax,-0x1c(%rbp)
  jg     L1
  shll   -0x4(%rbp)
L19:
  mov    -0x4(%rbp),%eax
  cmp    -0x1c(%rbp),%eax
  jl     L20
  jmp    L45
L40:
  nop
L45:
  leave
  ret
```

assistant: ```c
void MergeSort(int r[], int n) {
  int low, high, len;
  len = 1;
  while (len < n) {
    low = 0;
    while (len + low < n) {
      high = low + len * 2 - 1;
      if (high >= n)
        high = n - 1;
      if (!SegmentMerge(r, low, high, len))
        return;
      low = high + 1;
    }
    len *= 2;
  }
}
```
user: Translate the below assembly code into C programming language:

```asm
<MergeSort>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%r13
  mov    %esi,%ebp
  mov    $0x1,%r12d
  cmp    $0x1,%esi
  jle    L28
L36:
  lea    (%r12,%r12,1),%r15d
  mov    $0x0,%esi
  lea    -0x1(%rbp),%r14d
  cmp    %r12d,%ebp
  jle    L47
L17:
  lea    -0x1(%r15,%rsi,1),%ebx
  cmp    %ebx,%ebp
  cmovle %r14d,%ebx
  mov    %r12d,%ecx
  mov    %ebx,%edx
  mov    %r13,%rdi
  call   <SegmentMerge@plt>
  test   %eax,%eax
  je     L28
  lea    0x1(%rbx),%esi
  lea    (%rsi,%r12,1),%eax
  cmp    %ebp,%eax
  jl     L17
L47:
  add    %r12d,%r12d
  cmp    %r12d,%ebp
  jg     L36
L28:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void MergeSort(int r[], int n) {
  int low, high, len;
  len = 1;
  while (len < n) {
    low = 0;
    while (len + low < n) {
      high = low + len * 2 - 1;
      if (high >= n)
        high = n - 1;
      if (!SegmentMerge(r, low, high, len))
        return;
      low = high + 1;
    }
    len *= 2;
  }
}
```
user: What is the c source code of the assembly code below?

```asm
<MergeSort>:
  endbr64
  cmp    $0x1,%esi
  jle    L6
  push   %r15
  mov    $0x1,%r15d
  push   %r14
  push   %r13
  mov    %rdi,%r13
  push   %r12
  push   %rbp
  mov    %esi,%ebp
  push   %rbx
  sub    $0x8,%rsp
L36:
  lea    (%r15,%r15,1),%r12d
  xor    %esi,%esi
  lea    -0x1(%rbp),%r14d
  cmp    %r15d,%ebp
  jg     L62
  jmp    L64
  nopl   0x0(%rax,%rax,1)
L20:
  lea    0x1(%rbx),%esi
  lea    (%rsi,%r15,1),%eax
  cmp    %ebp,%eax
  jge    L64
L62:
  lea    -0x1(%r12,%rsi,1),%ebx
  mov    %r15d,%ecx
  mov    %r13,%rdi
  cmp    %ebx,%ebp
  cmovle %r14d,%ebx
  mov    %ebx,%edx
  call   <SegmentMerge@plt>
  test   %eax,%eax
  jne    L20
L17:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  xchg   %ax,%ax
L64:
  cmp    %ebp,%r12d
  jge    L17
  mov    %r12d,%r15d
  jmp    L36
L6:
  ret
```

assistant: ```c
void MergeSort(int r[], int n) {
  int low, high, len;
  len = 1;
  while (len < n) {
    low = 0;
    while (len + low < n) {
      high = low + len * 2 - 1;
      if (high >= n)
        high = n - 1;
      if (!SegmentMerge(r, low, high, len))
        return;
      low = high + 1;
    }
    len *= 2;
  }
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<MergeSort>:
  endbr64
  cmp    $0x1,%esi
  jle    L54
  push   %r15
  mov    $0x1,%r15d
  push   %r14
  mov    %esi,%r14d
  push   %r13
  lea    -0x1(%rsi),%r13d
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
L40:
  lea    (%r15,%r15,1),%ebp
  xor    %esi,%esi
  cmp    %r15d,%r14d
  jg     L48
  jmp    L75
  nopl   0x0(%rax)
L26:
  lea    (%rbx,%r15,1),%eax
  cmp    %r14d,%eax
  jge    L75
  mov    %ebx,%esi
L48:
  lea    0x0(%rbp,%rsi,1),%ebx
  lea    -0x1(%rbx),%edx
  cmp    %edx,%r14d
  jg     L53
  mov    %r13d,%edx
  mov    %r14d,%ebx
L53:
  mov    %r15d,%ecx
  mov    %r12,%rdi
  call   <SegmentMerge@plt>
  test   %eax,%eax
  jne    L26
L55:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax,%rax,1)
L75:
  cmp    %r14d,%ebp
  jge    L55
  mov    %ebp,%r15d
  jmp    L40
L54:
  ret
```

assistant: ```c
void MergeSort(int r[], int n) {
  int low, high, len;
  len = 1;
  while (len < n) {
    low = 0;
    while (len + low < n) {
      high = low + len * 2 - 1;
      if (high >= n)
        high = n - 1;
      if (!SegmentMerge(r, low, high, len))
        return;
      low = high + 1;
    }
    len *= 2;
  }
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<r11160612_2>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    $0xc,%edi
  call   <malloc@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  mov    $0x0,%ecx
  mov    $0xc,%edx
  mov    %rax,%rsi
  mov    $0x0,%edi
  call   <const_ptr_and_callback@plt>
  nop
  leave
  ret
```

assistant: ```c
void r11160612_2() {
  char *x = malloc(12);
  const_ptr_and_callback(0, x, 12, 0);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<r11160612_2>:
  endbr64
  sub    $0x8,%rsp
  mov    $0xc,%edi
  call   <malloc@plt>
  mov    %rax,%rsi
  mov    $0x0,%ecx
  mov    $0xc,%edx
  mov    $0x0,%edi
  call   <const_ptr_and_callback@plt>
  add    $0x8,%rsp
  ret
```

assistant: ```c
void r11160612_2() {
  char *x = malloc(12);
  const_ptr_and_callback(0, x, 12, 0);
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<r11160612_2>:
  endbr64
  sub    $0x8,%rsp
  mov    $0xc,%edi
  call   <malloc@plt>
  xor    %ecx,%ecx
  mov    $0xc,%edx
  xor    %edi,%edi
  mov    %rax,%rsi
  add    $0x8,%rsp
  jmp    1060 <const_ptr_and_callback@plt>
```

assistant: ```c
void r11160612_2() {
  char *x = malloc(12);
  const_ptr_and_callback(0, x, 12, 0);
}
```
user: What is the c source code of the assembly code below?

```asm
<r11160612_2>:
  endbr64
  sub    $0x8,%rsp
  mov    $0xc,%edi
  call   <malloc@plt>
  xor    %ecx,%ecx
  mov    $0xc,%edx
  xor    %edi,%edi
  mov    %rax,%rsi
  add    $0x8,%rsp
  jmp    1060 <const_ptr_and_callback@plt>
```

assistant: ```c
void r11160612_2() {
  char *x = malloc(12);
  const_ptr_and_callback(0, x, 12, 0);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<rev_ver1>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  sub    $0x1,%eax
  mov    %eax,-0x4(%rbp)
  movl   $0x0,-0xc(%rbp)
  mov    -0x4(%rbp),%eax
  mov    %eax,-0x8(%rbp)
  movl   $0x0,-0xc(%rbp)
  jmp    L4
L0:
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  mov    %eax,%ecx
  mov    -0x8(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  add    %eax,%ecx
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    %ecx,%edx
  mov    %dl,(%rax)
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  mov    %eax,%ecx
  mov    -0x8(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  sub    %eax,%ecx
  mov    -0x8(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    %ecx,%edx
  mov    %dl,(%rax)
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  mov    %eax,%ecx
  mov    -0x8(%rbp),%eax
  lea    -0x1(%rax),%edx
  mov    %edx,-0x8(%rbp)
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  sub    %eax,%ecx
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    %ecx,%edx
  mov    %dl,(%rax)
  addl   $0x1,-0xc(%rbp)
L4:
  mov    -0x4(%rbp),%eax
  mov    %eax,%edx
  shr    $0x1f,%edx
  add    %edx,%eax
  sar    %eax
  cmp    %eax,-0xc(%rbp)
  jl     L0
  nop
  nop
  leave
  ret
```

assistant: ```c
void rev_ver1(char str[]) {
  int slen = strlen(str) - 1;
  int i = 0;
  int tslen = slen;
  for (i = 0; i < slen / 2; i++) {
    str[i] = str[i] + str[tslen];
    str[tslen] = str[i] - str[tslen];
    str[i] = str[i] - str[tslen--];
  }
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<rev_ver1>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  call   <strlen@plt>
  sub    $0x1,%eax
  mov    %eax,%r8d
  shr    $0x1f,%r8d
  add    %eax,%r8d
  sar    %r8d
  cmp    $0x1,%eax
  jle    L17
  cltq
  lea    (%rbx,%rax,1),%rdx
  mov    $0x0,%eax
L15:
  movzbl (%rdx),%ecx
  add    (%rbx,%rax,1),%cl
  mov    %cl,(%rbx,%rax,1)
  movzbl (%rdx),%esi
  mov    %ecx,%edi
  sub    %esi,%edi
  mov    %dil,(%rdx)
  sub    %ecx,%esi
  add    %sil,(%rbx,%rax,1)
  add    $0x1,%rax
  sub    $0x1,%rdx
  cmp    %eax,%r8d
  jg     L15
L17:
  pop    %rbx
  ret
```

assistant: ```c
void rev_ver1(char str[]) {
  int slen = strlen(str) - 1;
  int i = 0;
  int tslen = slen;
  for (i = 0; i < slen / 2; i++) {
    str[i] = str[i] + str[tslen];
    str[tslen] = str[i] - str[tslen];
    str[i] = str[i] - str[tslen--];
  }
}
```
user: What is the c source code of the assembly code below:

```asm
<rev_ver1>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  call   <strlen@plt>
  sub    $0x1,%eax
  mov    %eax,%r8d
  shr    $0x1f,%r8d
  add    %eax,%r8d
  sar    %r8d
  cmp    $0x1,%eax
  jle    L13
  cltq
  lea    (%rbx,%rax,1),%rdx
  xor    %eax,%eax
  nopw   0x0(%rax,%rax,1)
L8:
  movzbl (%rdx),%ecx
  add    (%rbx,%rax,1),%cl
  sub    $0x1,%rdx
  mov    %cl,(%rbx,%rax,1)
  movzbl 0x1(%rdx),%esi
  mov    %ecx,%edi
  sub    %esi,%edi
  sub    %ecx,%esi
  mov    %dil,0x1(%rdx)
  add    %sil,(%rbx,%rax,1)
  add    $0x1,%rax
  cmp    %eax,%r8d
  jg     L8
L13:
  pop    %rbx
  ret
```

assistant: ```c
void rev_ver1(char str[]) {
  int slen = strlen(str) - 1;
  int i = 0;
  int tslen = slen;
  for (i = 0; i < slen / 2; i++) {
    str[i] = str[i] + str[tslen];
    str[tslen] = str[i] - str[tslen];
    str[i] = str[i] - str[tslen--];
  }
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<rev_ver1>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  call   <strlen@plt>
  sub    $0x1,%eax
  mov    %eax,%r8d
  shr    $0x1f,%r8d
  add    %eax,%r8d
  sar    %r8d
  cmp    $0x1,%eax
  jle    L7
  cltq
  lea    (%rbx,%rax,1),%rdx
  xor    %eax,%eax
  nopw   0x0(%rax,%rax,1)
L10:
  movzbl (%rdx),%ecx
  add    (%rbx,%rax,1),%cl
  sub    $0x1,%rdx
  mov    %cl,(%rbx,%rax,1)
  movzbl 0x1(%rdx),%esi
  mov    %ecx,%edi
  sub    %esi,%edi
  sub    %ecx,%esi
  mov    %dil,0x1(%rdx)
  add    %sil,(%rbx,%rax,1)
  add    $0x1,%rax
  cmp    %eax,%r8d
  jg     L10
L7:
  pop    %rbx
  ret
```

assistant: ```c
void rev_ver1(char str[]) {
  int slen = strlen(str) - 1;
  int i = 0;
  int tslen = slen;
  for (i = 0; i < slen / 2; i++) {
    str[i] = str[i] + str[tslen];
    str[tslen] = str[i] - str[tslen];
    str[i] = str[i] - str[tslen--];
  }
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<String_trim>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  jmp    L86
L57:
  addq   $0x1,-0x18(%rbp)
L86:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x20,%al
  je     L57
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x9,%al
  je     L57
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0xa,%al
  je     L57
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %eax,-0xc(%rbp)
  jmp    L32
L29:
  subl   $0x1,-0xc(%rbp)
L32:
  cmpl   $0x0,-0xc(%rbp)
  jle    L4
  mov    -0xc(%rbp),%eax
  cltq
  lea    -0x1(%rax),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x20,%al
  je     L29
  mov    -0xc(%rbp),%eax
  cltq
  lea    -0x1(%rax),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x9,%al
  je     L29
  mov    -0xc(%rbp),%eax
  cltq
  lea    -0x1(%rax),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0xa,%al
  je     L29
L4:
  mov    -0xc(%rbp),%eax
  add    $0x1,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0xc(%rbp),%edx
  mov    -0x18(%rbp),%rcx
  mov    -0x8(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strncpy@plt>
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  mov    -0x8(%rbp),%rax
  leave
  ret
```

assistant: ```c
char *String_trim(const char *in) {
  while (in[0] == ' ' || in[0] == '\t' || in[0] == '\n') {
    in++;
  }
  int len = strlen(in);
  while (len > 0 && (in[len - 1] == ' ' || in[len - 1] == '\t' || in[len - 1] == '\n')) {
    len--;
  }
  char *out = malloc(len + 1);
  strncpy(out, in, len);
  out[len] = '\0';
  return out;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<String_trim>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  movzbl (%rdi),%eax
  lea    -0x9(%rax),%edx
  cmp    $0x1,%dl
  jbe    L25
  cmp    $0x20,%al
  jne    L73
L25:
  add    $0x1,%rbx
  movzbl (%rbx),%eax
  lea    -0x9(%rax),%edx
  cmp    $0x1,%dl
  jbe    L25
  cmp    $0x20,%al
  je     L25
L73:
  mov    %rbx,%rdi
  call   <strlen@plt>
  mov    %eax,%ebp
  test   %eax,%eax
  jle    L6
  cltq
  lea    -0x1(%rbx,%rax,1),%rax
  jmp    L66
L24:
  sub    $0x1,%rax
  sub    $0x1,%ebp
  je     L6
L66:
  movzbl (%rax),%edx
  lea    -0x9(%rdx),%ecx
  cmp    $0x1,%cl
  jbe    L24
  cmp    $0x20,%dl
  je     L24
L6:
  lea    0x1(%rbp),%edi
  call   <malloc@plt>
  mov    %rax,%r12
  mov    %ebp,%edx
  mov    %rbx,%rsi
  mov    %rax,%rdi
  call   <strncpy@plt>
  movslq %ebp,%rbp
  movb   $0x0,(%r12,%rbp,1)
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
char *String_trim(const char *in) {
  while (in[0] == ' ' || in[0] == '\t' || in[0] == '\n') {
    in++;
  }
  int len = strlen(in);
  while (len > 0 && (in[len - 1] == ' ' || in[len - 1] == '\t' || in[len - 1] == '\n')) {
    len--;
  }
  char *out = malloc(len + 1);
  strncpy(out, in, len);
  out[len] = '\0';
  return out;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<String_trim>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  sub    $0x8,%rsp
  movzbl (%rdi),%eax
  lea    -0x9(%rax),%edx
  cmp    $0x1,%dl
  ja     L41
  nopl   0x0(%rax)
L38:
  movzbl 0x1(%rbp),%eax
  add    $0x1,%rbp
  lea    -0x9(%rax),%edx
  cmp    $0x1,%dl
  jbe    L38
L41:
  cmp    $0x20,%al
  je     L38
  mov    %rbp,%rdi
  call   <strlen@plt>
  movslq %eax,%rbx
  mov    %rbx,%r12
  lea    0x1(%rbx),%edi
  test   %ebx,%ebx
  jle    L64
  nopl   0x0(%rax)
L45:
  movzbl -0x1(%rbp,%rbx,1),%eax
  mov    %ebx,%edx
  mov    %ebx,%edi
  lea    -0x9(%rax),%ecx
  cmp    $0x1,%cl
  jbe    L31
  cmp    $0x20,%al
  jne    L37
L31:
  lea    -0x1(%rdx),%r12d
  sub    $0x1,%rbx
  jne    L45
  movslq %r12d,%rbx
L64:
  call   <malloc@plt>
  mov    %r12d,%edx
  mov    %rbp,%rsi
  mov    %rax,%r13
  mov    %rax,%rdi
  call   <strncpy@plt>
  movb   $0x0,0x0(%r13,%rbx,1)
  add    $0x8,%rsp
  mov    %r13,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax)
L37:
  mov    %ebx,%r12d
  add    $0x1,%edi
  jmp    L64
```

assistant: ```c
char *String_trim(const char *in) {
  while (in[0] == ' ' || in[0] == '\t' || in[0] == '\n') {
    in++;
  }
  int len = strlen(in);
  while (len > 0 && (in[len - 1] == ' ' || in[len - 1] == '\t' || in[len - 1] == '\n')) {
    len--;
  }
  char *out = malloc(len + 1);
  strncpy(out, in, len);
  out[len] = '\0';
  return out;
}
```