ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<robPrintAscii>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  lea    D0(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  nop
  pop    %rbp
  ret
```

tool_calls: name: unpack_data
arguments: data_label: D0
data_type: string

tool: D0:     i_i    
   [^_^]   
   [D_D]   
  /|___|\  
   d   b   
     i_i    
             [^_^]   
             [D_D]   
            /|___|\  
             d   b   
                       i_i    
                      [^_^]   
                      [D_D]   
                     /|___|\  
                      d   b   


assistant: ```c
void robPrintAscii(void) {
  printf("    i_i    \n"
         "   [^_^]   \n"
         "   [D_D]   \n"
         "  /|___|\\  \n"
         "   d   b   \n"
         "     i_i    \n"
         "             [^_^]   \n"
         "             [D_D]   \n"
         "            /|___|\\  \n"
         "             d   b   \n"
         "                       i_i    \n"
         "                      [^_^]   \n"
         "                      [D_D]   \n"
         "                     /|___|\\  \n"
         "                      d   b   \n");
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<robPrintAscii>:
  endbr64
  sub    $0x8,%rsp
  lea    D4(%rip),%rdi
  call   <printf@plt>
  add    $0x8,%rsp
  ret
```

tool_calls: name: read_data
arguments: label: D4
datatype: string

tool: D4:     i_i    
   [^_^]   
   [D_D]   
  /|___|\  
   d   b   
     i_i    
             [^_^]   
             [D_D]   
            /|___|\  
             d   b   
                       i_i    
                      [^_^]   
                      [D_D]   
                     /|___|\  
                      d   b   


assistant: ```c
void robPrintAscii(void) {
  printf("    i_i    \n"
         "   [^_^]   \n"
         "   [D_D]   \n"
         "  /|___|\\  \n"
         "   d   b   \n"
         "     i_i    \n"
         "             [^_^]   \n"
         "             [D_D]   \n"
         "            /|___|\\  \n"
         "             d   b   \n"
         "                       i_i    \n"
         "                      [^_^]   \n"
         "                      [D_D]   \n"
         "                     /|___|\\  \n"
         "                      d   b   \n");
}
```
user: What is the c source code of the assembly code below?

```asm
<robPrintAscii>:
  endbr64
  lea    D5(%rip),%rdi
  jmp    1050 <printf@plt>
```

tool_calls: name: retrieve_data
arguments: tag: D5
type: string

tool: D5:     i_i    
   [^_^]   
   [D_D]   
  /|___|\  
   d   b   
     i_i    
             [^_^]   
             [D_D]   
            /|___|\  
             d   b   
                       i_i    
                      [^_^]   
                      [D_D]   
                     /|___|\  
                      d   b   


assistant: ```c
void robPrintAscii(void) {
  printf("    i_i    \n"
         "   [^_^]   \n"
         "   [D_D]   \n"
         "  /|___|\\  \n"
         "   d   b   \n"
         "     i_i    \n"
         "             [^_^]   \n"
         "             [D_D]   \n"
         "            /|___|\\  \n"
         "             d   b   \n"
         "                       i_i    \n"
         "                      [^_^]   \n"
         "                      [D_D]   \n"
         "                     /|___|\\  \n"
         "                      d   b   \n");
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<robPrintAscii>:
  endbr64
  lea    D0(%rip),%rdi
  jmp    1050 <printf@plt>
```

tool_calls: name: unpack_data
arguments: data_label: D0
type_guessed: string

tool: D0:     i_i    
   [^_^]   
   [D_D]   
  /|___|\  
   d   b   
     i_i    
             [^_^]   
             [D_D]   
            /|___|\  
             d   b   
                       i_i    
                      [^_^]   
                      [D_D]   
                     /|___|\  
                      d   b   


assistant: ```c
void robPrintAscii(void) {
  printf("    i_i    \n"
         "   [^_^]   \n"
         "   [D_D]   \n"
         "  /|___|\\  \n"
         "   d   b   \n"
         "     i_i    \n"
         "             [^_^]   \n"
         "             [D_D]   \n"
         "            /|___|\\  \n"
         "             d   b   \n"
         "                       i_i    \n"
         "                      [^_^]   \n"
         "                      [D_D]   \n"
         "                     /|___|\\  \n"
         "                      d   b   \n");
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<popd>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L36
  mov    $0x0,%eax
  call   <delhead@plt>
  jmp    L10
L36:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2b,%al
  jne    L3
  mov    -0x18(%rbp),%rax
  lea    0x1(%rax),%rcx
  lea    -0xc(%rbp),%rax
  mov    %rax,%rdx
  lea    D4(%rip),%rax
  mov    %rax,%rsi
  mov    %rcx,%rdi
  call   <sscanf@plt>
  mov    -0xc(%rbp),%eax
  mov    %eax,%edi
  call   <subnode@plt>
  jmp    L10
L3:
  lea    D16(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
L10:
  nop
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L25
  call   <__stack_chk_fail@plt>
L25:
  leave
  ret
```

tool_calls: name: read_data
arguments: data_label: D4
datatype: string
name: read_data
arguments: data_label: D16
datatype: string

tool: D4: %d

tool: D16: not found


assistant: ```c
void popd(char option[]) {
  int index;
  if (option[0] == '\0') {
    delhead();
  } else if (option[0] == '+') {
    sscanf(option + 1, "%d", &index);
    subnode(index);
  } else
    printf("not found\n");
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<popd>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  movzbl (%rdi),%eax
  test   %al,%al
  je     L37
  cmp    $0x2b,%al
  je     L9
  lea    D11(%rip),%rdi
  call   <printf@plt>
L0:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L8
  add    $0x18,%rsp
  ret
L37:
  call   <delhead@plt>
  jmp    L0
L9:
  lea    0x4(%rsp),%rdx
  add    $0x1,%rdi
  lea    D19(%rip),%rsi
  call   <sscanf@plt>
  mov    0x4(%rsp),%edi
  call   <subnode@plt>
  jmp    L0
L8:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: data_label: D11
type: string
name: parse_data
arguments: data_label: D19
type: string

tool: D11: not found


tool: D19: %d

assistant: ```c
void popd(char option[]) {
  int index;
  if (option[0] == '\0') {
    delhead();
  } else if (option[0] == '+') {
    sscanf(option + 1, "%d", &index);
    subnode(index);
  } else
    printf("not found\n");
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<popd>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  movzbl (%rdi),%eax
  test   %al,%al
  je     L35
  cmp    $0x2b,%al
  je     L33
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L17
  lea    D13(%rip),%rdi
  add    $0x18,%rsp
  jmp    10a0 <printf@plt>
  nopl   0x0(%rax,%rax,1)
L33:
  add    $0x1,%rdi
  lea    0x4(%rsp),%rdx
  lea    D16(%rip),%rsi
  call   <sscanf@plt>
  mov    0x4(%rsp),%edi
  call   <subnode@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L17
  add    $0x18,%rsp
  ret
  nopl   0x0(%rax,%rax,1)
L35:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L17
  xor    %eax,%eax
  add    $0x18,%rsp
  jmp    10c0 <delhead@plt>
L17:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: label: D13
type_infered: string
name: read_data
arguments: label: D16
type_infered: string

tool: D13: not found


tool: D16: %d

assistant: ```c
void popd(char option[]) {
  int index;
  if (option[0] == '\0') {
    delhead();
  } else if (option[0] == '+') {
    sscanf(option + 1, "%d", &index);
    subnode(index);
  } else
    printf("not found\n");
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<popd>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  movzbl (%rdi),%eax
  test   %al,%al
  je     L29
  cmp    $0x2b,%al
  je     L44
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L39
  lea    D19(%rip),%rdi
  add    $0x18,%rsp
  jmp    10a0 <printf@plt>
  nopl   0x0(%rax,%rax,1)
L44:
  add    $0x1,%rdi
  lea    0x4(%rsp),%rdx
  lea    D7(%rip),%rsi
  call   <sscanf@plt>
  mov    0x4(%rsp),%edi
  call   <subnode@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L39
  add    $0x18,%rsp
  ret
  nopl   0x0(%rax,%rax,1)
L29:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L39
  xor    %eax,%eax
  add    $0x18,%rsp
  jmp    10c0 <delhead@plt>
L39:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: tag: D19
data_type: string
name: disassemble_data
arguments: tag: D7
data_type: string

tool: D19: not found


tool: D7: %d

assistant: ```c
void popd(char option[]) {
  int index;
  if (option[0] == '\0') {
    delhead();
  } else if (option[0] == '+') {
    sscanf(option + 1, "%d", &index);
    subnode(index);
  } else
    printf("not found\n");
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movl   $0x0,-0x10(%rbp)
  movss  D23(%rip),%xmm0
  movss  %xmm0,-0xc(%rbp)
  lea    D9(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    -0x14(%rbp),%rax
  mov    %rax,%rsi
  lea    D15(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  lea    D30(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    -0x18(%rbp),%rax
  mov    %rax,%rsi
  lea    D34(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  jmp    L29
L24:
  movss  -0x14(%rbp),%xmm0
  movss  -0xc(%rbp),%xmm1
  mulss  %xmm1,%xmm0
  movss  %xmm0,-0xc(%rbp)
  addl   $0x1,-0x10(%rbp)
L29:
  mov    -0x18(%rbp),%eax
  cmp    %eax,-0x10(%rbp)
  jl     L24
  pxor   %xmm0,%xmm0
  cvtss2sd -0xc(%rbp),%xmm0
  mov    -0x18(%rbp),%edx
  movss  -0x14(%rbp),%xmm1
  pxor   %xmm2,%xmm2
  cvtss2sd %xmm1,%xmm2
  movq   %xmm2,%rax
  movapd %xmm0,%xmm1
  mov    %edx,%esi
  movq   %rax,%xmm0
  lea    D46(%rip),%rax
  mov    %rax,%rdi
  mov    $0x2,%eax
  call   <printf@plt>
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L18
  call   <__stack_chk_fail@plt>
L18:
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: tag: D23
data_type: f32
name: retrieve_data
arguments: tag: D9
data_type: string
name: retrieve_data
arguments: tag: D15
data_type: string
name: retrieve_data
arguments: tag: D30
data_type: string
name: retrieve_data
arguments: tag: D34
data_type: string
name: retrieve_data
arguments: tag: D46
data_type: string

tool: D23: 1

tool: D9: x: 

tool: D15: %f

tool: D30: n: 

tool: D34: %d

tool: D46: %f^%d = %f


assistant: ```c
int main() {
  int counter = 0, n;
  float x, y = 1;
  printf("x: ");
  scanf("%f", &x);
  printf("n: ");
  scanf("%d", &n);
  while (counter < n) {
    y *= x;
    counter++;
  }
  printf("%f^%d = %f\n", x, n, y);
  return 0;
}
```
user: Translate the below assembly code into C programming language:

```asm
<main>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    D5(%rip),%rdi
  call   <printf@plt>
  lea    0x4(%rsp),%rsi
  lea    D59(%rip),%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  lea    D55(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    %rsp,%rsi
  lea    D1(%rip),%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  mov    (%rsp),%esi
  test   %esi,%esi
  jle    L25
  movss  0x4(%rsp),%xmm0
  movss  D45(%rip),%xmm1
  mov    $0x0,%eax
L35:
  mulss  %xmm0,%xmm1
  add    $0x1,%eax
  cmp    %esi,%eax
  jne    L35
L31:
  pxor   %xmm0,%xmm0
  cvtss2sd 0x4(%rsp),%xmm0
  cvtss2sd %xmm1,%xmm1
  lea    D0(%rip),%rdi
  mov    $0x2,%eax
  call   <printf@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L27
  mov    $0x0,%eax
  add    $0x18,%rsp
  ret
L25:
  movss  D45(%rip),%xmm1
  jmp    L31
L27:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: tag: D5
type: string
name: extract_symbolic_data
arguments: tag: D59
type: string
name: extract_symbolic_data
arguments: tag: D55
type: string
name: extract_symbolic_data
arguments: tag: D1
type: string
name: extract_symbolic_data
arguments: tag: D45
type: f32
name: extract_symbolic_data
arguments: tag: D0
type: string

tool: D5: x: 

tool: D59: %f

tool: D55: n: 

tool: D1: %d

tool: D45: 1

tool: D0: %f^%d = %f


assistant: ```c
int main() {
  int counter = 0, n;
  float x, y = 1;
  printf("x: ");
  scanf("%f", &x);
  printf("n: ");
  scanf("%d", &n);
  while (counter < n) {
    y *= x;
    counter++;
  }
  printf("%f^%d = %f\n", x, n, y);
  return 0;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<main>:
  endbr64
  sub    $0x18,%rsp
  lea    D43(%rip),%rdi
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  call   <printf@plt>
  lea    0x4(%rsp),%rsi
  lea    D58(%rip),%rdi
  xor    %eax,%eax
  call   <scanf@plt>
  lea    D13(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    %rsp,%rsi
  lea    D46(%rip),%rdi
  xor    %eax,%eax
  call   <scanf@plt>
  mov    (%rsp),%esi
  movss  0x4(%rsp),%xmm0
  movss  D52(%rip),%xmm1
  test   %esi,%esi
  jle    L2
  xor    %eax,%eax
  nopl   (%rax)
L5:
  mulss  %xmm0,%xmm1
  add    $0x1,%eax
  cmp    %esi,%eax
  jne    L5
L2:
  lea    D2(%rip),%rdi
  mov    $0x2,%eax
  cvtss2sd %xmm0,%xmm0
  cvtss2sd %xmm1,%xmm1
  call   <printf@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L15
  xor    %eax,%eax
  add    $0x18,%rsp
  ret
L15:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: data_label: D43
type_infered: string
name: retrieve_data
arguments: data_label: D58
type_infered: string
name: retrieve_data
arguments: data_label: D13
type_infered: string
name: retrieve_data
arguments: data_label: D46
type_infered: string
name: retrieve_data
arguments: data_label: D52
type_infered: f32
name: retrieve_data
arguments: data_label: D2
type_infered: string

tool: D43: x: 

tool: D58: %f

tool: D13: n: 

tool: D46: %d

tool: D52: 1

tool: D2: %f^%d = %f


assistant: ```c
int main() {
  int counter = 0, n;
  float x, y = 1;
  printf("x: ");
  scanf("%f", &x);
  printf("n: ");
  scanf("%d", &n);
  while (counter < n) {
    y *= x;
    counter++;
  }
  printf("%f^%d = %f\n", x, n, y);
  return 0;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<main>:
  endbr64
  sub    $0x18,%rsp
  lea    D39(%rip),%rdi
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  call   <printf@plt>
  lea    0x4(%rsp),%rsi
  lea    D56(%rip),%rdi
  xor    %eax,%eax
  call   <scanf@plt>
  lea    D46(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    %rsp,%rsi
  lea    D7(%rip),%rdi
  xor    %eax,%eax
  call   <scanf@plt>
  mov    (%rsp),%esi
  movss  0x4(%rsp),%xmm0
  movss  D38(%rip),%xmm1
  test   %esi,%esi
  jle    L24
  xor    %eax,%eax
  nopl   (%rax)
L23:
  mulss  %xmm0,%xmm1
  add    $0x1,%eax
  cmp    %esi,%eax
  jne    L23
L24:
  lea    D44(%rip),%rdi
  mov    $0x2,%eax
  cvtss2sd %xmm0,%xmm0
  cvtss2sd %xmm1,%xmm1
  call   <printf@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L9
  xor    %eax,%eax
  add    $0x18,%rsp
  ret
L9:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: label: D39
type_infered: string
name: disassemble_data
arguments: label: D56
type_infered: string
name: disassemble_data
arguments: label: D46
type_infered: string
name: disassemble_data
arguments: label: D7
type_infered: string
name: disassemble_data
arguments: label: D38
type_infered: f32
name: disassemble_data
arguments: label: D44
type_infered: string

tool: D39: x: 

tool: D56: %f

tool: D46: n: 

tool: D7: %d

tool: D38: 1

tool: D44: %f^%d = %f


assistant: ```c
int main() {
  int counter = 0, n;
  float x, y = 1;
  printf("x: ");
  scanf("%f", &x);
  printf("n: ");
  scanf("%d", &n);
  while (counter < n) {
    y *= x;
    counter++;
  }
  printf("%f^%d = %f\n", x, n, y);
  return 0;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<isprefix>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L41
  mov    $0xffffffff,%eax
  jmp    L51
L41:
  mov    -0x28(%rbp),%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  mov    %al,-0x1a(%rbp)
  mov    -0x30(%rbp),%rax
  movzbl (%rax),%eax
  mov    %al,-0x19(%rbp)
  jmp    L114
L3:
  cmpb   $0x0,-0x1a(%rbp)
  je     L19
  addq   $0x1,-0x28(%rbp)
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  mov    %al,-0x1a(%rbp)
  addq   $0x1,-0x30(%rbp)
  mov    -0x30(%rbp),%rax
  movzbl (%rax),%eax
  mov    %al,-0x19(%rbp)
L114:
  movsbl -0x1a(%rbp),%eax
  mov    %eax,%edi
  call   <isupper@plt>
  test   %rax,%rax
  je     L98
  movsbl -0x1a(%rbp),%eax
  mov    %eax,%edi
  call   <tolower@plt>
  movsbl %al,%ebx
  jmp    L23
L98:
  movsbl -0x1a(%rbp),%ebx
L23:
  movsbl -0x19(%rbp),%eax
  mov    %eax,%edi
  call   <isupper@plt>
  test   %rax,%rax
  je     L53
  movsbl -0x19(%rbp),%eax
  mov    %eax,%edi
  call   <tolower@plt>
  movsbl %al,%eax
  jmp    L26
L53:
  movsbl -0x19(%rbp),%eax
L26:
  cmp    %eax,%ebx
  je     L3
  jmp    L94
L19:
  nop
L94:
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L72
  mov    -0x30(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L65
  mov    -0x28(%rbp),%rax
  sub    -0x18(%rbp),%rax
  jmp    L51
L65:
  mov    -0x18(%rbp),%rax
  sub    -0x28(%rbp),%rax
  jmp    L51
L72:
  mov    $0x0,%eax
L51:
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
int isprefix(const char *s1, char *s2) {
  const char *os1;
  char c1, c2;
  if (*s1 == '\0')
    return (-1);
  os1 = s1;
  c1 = *s1;
  c2 = *s2;
  while ((isupper((int)c1) ? tolower((int)c1) : (c1)) == (isupper((int)c2) ? tolower((int)c2) : (c2))) {
    if (c1 == '\0')
      break;
    c1 = *++s1;
    c2 = *++s2;
  }
  return (*s1 ? 0 : (*s2 ? (s1 - os1) : (os1 - s1)));
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<isprefix>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  movzbl (%rdi),%r13d
  test   %r13b,%r13b
  je     L73
  mov    %rdi,%r15
  mov    %rsi,%r12
  movzbl (%rsi),%ebx
  mov    %rdi,%r14
  jmp    L89
L65:
  mov    %ebp,%edi
  call   <tolower@plt>
  movsbl %al,%ebp
  jmp    L33
L23:
  test   %r13b,%r13b
  je     L18
  cmp    %ebx,%ebp
  jne    L18
  add    $0x1,%r14
  movzbl (%r14),%r13d
  add    $0x1,%r12
  movzbl (%r12),%ebx
L89:
  movsbl %r13b,%ebp
  mov    %ebp,%edi
  call   <isupper@plt>
  test   %rax,%rax
  jne    L65
L33:
  movsbl %bl,%ebx
  mov    %ebx,%edi
  call   <isupper@plt>
  test   %rax,%rax
  je     L23
  mov    %ebx,%edi
  call   <tolower@plt>
  movsbl %al,%ebx
  jmp    L23
L18:
  mov    $0x0,%eax
  cmpb   $0x0,(%r14)
  jne    L91
  mov    %r15,%rax
  sub    %r14,%rax
  sub    %r15,%r14
  cmpb   $0x0,(%r12)
  cmovne %r14d,%eax
L91:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L73:
  mov    $0xffffffff,%eax
  jmp    L91
```

assistant: ```c
int isprefix(const char *s1, char *s2) {
  const char *os1;
  char c1, c2;
  if (*s1 == '\0')
    return (-1);
  os1 = s1;
  c1 = *s1;
  c2 = *s2;
  while ((isupper((int)c1) ? tolower((int)c1) : (c1)) == (isupper((int)c2) ? tolower((int)c2) : (c2))) {
    if (c1 == '\0')
      break;
    c1 = *++s1;
    c2 = *++s2;
  }
  return (*s1 ? 0 : (*s2 ? (s1 - os1) : (os1 - s1)));
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<isprefix>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  movzbl (%rdi),%r13d
  test   %r13b,%r13b
  je     L5
  movsbl (%rsi),%ebp
  mov    %rdi,%r15
  mov    %rsi,%rbx
  mov    %rdi,%r14
  jmp    L9
  nopl   (%rax)
L27:
  mov    %ebp,%edi
  call   <isupper@plt>
  test   %rax,%rax
  jne    L20
L77:
  test   %r13b,%r13b
  je     L53
L73:
  cmp    %ebp,%r12d
  jne    L53
  movzbl 0x1(%r14),%r13d
  movsbl 0x1(%rbx),%ebp
  add    $0x1,%r14
  add    $0x1,%rbx
L9:
  movsbl %r13b,%r12d
  mov    %r12d,%edi
  call   <isupper@plt>
  test   %rax,%rax
  je     L27
  mov    %r12d,%edi
  call   <tolower@plt>
  mov    %ebp,%edi
  movsbl %al,%r12d
  call   <isupper@plt>
  test   %rax,%rax
  je     L77
L20:
  mov    %ebp,%edi
  call   <tolower@plt>
  movsbl %al,%ebp
  test   %r13b,%r13b
  jne    L73
  nop
L53:
  xor    %eax,%eax
  cmpb   $0x0,(%r14)
  jne    L74
  mov    %r15,%rax
  sub    %r14,%rax
  sub    %r15,%r14
  cmpb   $0x0,(%rbx)
  cmovne %r14d,%eax
L74:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L5:
  mov    $0xffffffff,%eax
  jmp    L74
```

assistant: ```c
int isprefix(const char *s1, char *s2) {
  const char *os1;
  char c1, c2;
  if (*s1 == '\0')
    return (-1);
  os1 = s1;
  c1 = *s1;
  c2 = *s2;
  while ((isupper((int)c1) ? tolower((int)c1) : (c1)) == (isupper((int)c2) ? tolower((int)c2) : (c2))) {
    if (c1 == '\0')
      break;
    c1 = *++s1;
    c2 = *++s2;
  }
  return (*s1 ? 0 : (*s2 ? (s1 - os1) : (os1 - s1)));
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<isprefix>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  movzbl (%rdi),%r13d
  test   %r13b,%r13b
  je     L3
  movsbl (%rsi),%ebp
  mov    %rdi,%r15
  mov    %rsi,%rbx
  mov    %rdi,%r14
  jmp    L17
  nopl   (%rax)
L82:
  mov    %ebp,%edi
  call   <isupper@plt>
  test   %rax,%rax
  jne    L51
L78:
  test   %r13b,%r13b
  je     L98
L99:
  cmp    %ebp,%r12d
  jne    L98
  movzbl 0x1(%r14),%r13d
  movsbl 0x1(%rbx),%ebp
  add    $0x1,%r14
  add    $0x1,%rbx
L17:
  movsbl %r13b,%r12d
  mov    %r12d,%edi
  call   <isupper@plt>
  test   %rax,%rax
  je     L82
  mov    %r12d,%edi
  call   <tolower@plt>
  mov    %ebp,%edi
  movsbl %al,%r12d
  call   <isupper@plt>
  test   %rax,%rax
  je     L78
L51:
  mov    %ebp,%edi
  call   <tolower@plt>
  movsbl %al,%ebp
  test   %r13b,%r13b
  jne    L99
  nop
L98:
  xor    %eax,%eax
  cmpb   $0x0,(%r14)
  jne    L39
  mov    %r15,%rax
  sub    %r14,%rax
  sub    %r15,%r14
  cmpb   $0x0,(%rbx)
  cmovne %r14d,%eax
L39:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L3:
  mov    $0xffffffff,%eax
  jmp    L39
```

assistant: ```c
int isprefix(const char *s1, char *s2) {
  const char *os1;
  char c1, c2;
  if (*s1 == '\0')
    return (-1);
  os1 = s1;
  c1 = *s1;
  c2 = *s2;
  while ((isupper((int)c1) ? tolower((int)c1) : (c1)) == (isupper((int)c2) ? tolower((int)c2) : (c2))) {
    if (c1 == '\0')
      break;
    c1 = *++s1;
    c2 = *++s2;
  }
  return (*s1 ? 0 : (*s2 ? (s1 - os1) : (os1 - s1)));
}
```