ylfeng/ReF-Decompile-dataset huggingface dataset:
user: Converte this assembly snippet into its equivalent C code:

```asm
<printf_t>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  movl   $0x4b,-0x4(%rbp)
  jmp    L5
L9:
  mov    -0x4(%rbp),%edx
  mov    -0x4(%rbp),%eax
  mov    %eax,%esi
  lea    D5(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  addl   $0x1,-0x4(%rbp)
L5:
  cmpl   $0x64,-0x4(%rbp)
  jle    L9
  nop
  nop
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: data_tag: D5
type_guessed: string

tool: D5: ASCII value = %d, Character = %c


assistant: ```c
void printf_t() {
  int ch;
  for (ch = 75; ch <= 100; ch++) {
    printf("ASCII value = %d, Character = %c\n", ch, ch);
  }
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<printf_t>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    $0x4b,%ebx
  lea    D2(%rip),%rbp
L3:
  mov    %ebx,%edx
  mov    %ebx,%esi
  mov    %rbp,%rdi
  call   <printf@plt>
  add    $0x1,%ebx
  cmp    $0x65,%ebx
  jne    L3
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

tool_calls: name: retrieve_data
arguments: data_tag: D2
datatype: string

tool: D2: ASCII value = %d, Character = %c


assistant: ```c
void printf_t() {
  int ch;
  for (ch = 75; ch <= 100; ch++) {
    printf("ASCII value = %d, Character = %c\n", ch, ch);
  }
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<printf_t>:
  endbr64
  push   %rbp
  lea    D9(%rip),%rbp
  push   %rbx
  mov    $0x4b,%ebx
  sub    $0x8,%rsp
  cs nopw 0x0(%rax,%rax,1)
L4:
  mov    %ebx,%edx
  mov    %ebx,%esi
  mov    %rbp,%rdi
  add    $0x1,%ebx
  call   <printf@plt>
  cmp    $0x65,%ebx
  jne    L4
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

tool_calls: name: parse_data
arguments: label: D9
datatype: string

tool: D9: ASCII value = %d, Character = %c


assistant: ```c
void printf_t() {
  int ch;
  for (ch = 75; ch <= 100; ch++) {
    printf("ASCII value = %d, Character = %c\n", ch, ch);
  }
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<printf_t>:
  endbr64
  push   %rbp
  lea    D7(%rip),%rbp
  push   %rbx
  mov    $0x4b,%ebx
  sub    $0x8,%rsp
  cs nopw 0x0(%rax,%rax,1)
L1:
  mov    %ebx,%edx
  mov    %ebx,%esi
  mov    %rbp,%rdi
  add    $0x1,%ebx
  call   <printf@plt>
  cmp    $0x65,%ebx
  jne    L1
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

tool_calls: name: retrieve_data
arguments: data_tag: D7
type: string

tool: D7: ASCII value = %d, Character = %c


assistant: ```c
void printf_t() {
  int ch;
  for (ch = 75; ch <= 100; ch++) {
    printf("ASCII value = %d, Character = %c\n", ch, ch);
  }
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<wf_parse_vector>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0xa8,%rsp
  mov    %rdi,-0x98(%rbp)
  mov    %rsi,-0xa0(%rbp)
  mov    %rdx,-0xa8(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x18(%rbp)
  xor    %eax,%eax
  movq   $0x0,-0x88(%rbp)
  jmp    L51
L3:
  mov    -0xa8(%rbp),%rdx
  lea    -0x80(%rbp),%rax
  mov    $0x64,%esi
  mov    %rax,%rdi
  call   <wf_next_argument@plt>
  test   %rax,%rax
  jne    L62
  mov    $0xffffffff,%eax
  jmp    L27
L62:
  mov    -0x88(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x98(%rbp),%rax
  lea    (%rdx,%rax,1),%rbx
  lea    -0x90(%rbp),%rdx
  lea    -0x80(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strtod@plt>
  movq   %xmm0,%rax
  mov    %rax,(%rbx)
  mov    -0x90(%rbp),%rdx
  lea    -0x80(%rbp),%rax
  cmp    %rax,%rdx
  je     L39
  mov    -0x90(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L17
L39:
  mov    $0xffffffff,%eax
  jmp    L27
L17:
  addq   $0x1,-0x88(%rbp)
L51:
  mov    -0x88(%rbp),%rax
  cmp    -0xa0(%rbp),%rax
  jb     L3
  mov    -0xa8(%rbp),%rax
  mov    %rax,%rdi
  call   <wf_skip_line@plt>
  mov    $0x0,%eax
L27:
  mov    -0x18(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L72
  call   <__stack_chk_fail@plt>
L72:
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
int wf_parse_vector(double *vec, size_t dim, FILE *fp) {
  char *end, token[100];
  size_t i;
  for (i = 0; i < dim; i++) {
    if (wf_next_argument(token, sizeof token, fp) == 0) {
      return -1;
    }
    vec[i] = strtod(token, &end);
    if (end == token || *end != '\0') {
      return -1;
    }
  }
  wf_skip_line(fp);
  return 0;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<wf_parse_vector>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  add    $0xffffffffffffff80,%rsp
  mov    %rdx,%r12
  mov    %fs:0x28,%rax
  mov    %rax,0x78(%rsp)
  xor    %eax,%eax
  test   %rsi,%rsi
  je     L77
  mov    %rdi,%r14
  mov    %rsi,%r13
  mov    $0x0,%ebx
  lea    0x10(%rsp),%rbp
L19:
  mov    %r12,%rdx
  mov    $0x64,%esi
  mov    %rbp,%rdi
  call   <wf_next_argument@plt>
  test   %rax,%rax
  je     L1
  lea    0x8(%rsp),%rsi
  mov    %rbp,%rdi
  call   <strtod@plt>
  movsd  %xmm0,(%r14,%rbx,8)
  mov    0x8(%rsp),%rax
  cmp    %rbp,%rax
  je     L85
  cmpb   $0x0,(%rax)
  jne    L13
  add    $0x1,%rbx
  cmp    %rbx,%r13
  jne    L19
L77:
  mov    %r12,%rdi
  call   <wf_skip_line@plt>
  mov    $0x0,%eax
L63:
  mov    0x78(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L10
  sub    $0xffffffffffffff80,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L1:
  mov    $0xffffffff,%eax
  jmp    L63
L85:
  mov    $0xffffffff,%eax
  jmp    L63
L13:
  mov    $0xffffffff,%eax
  jmp    L63
L10:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int wf_parse_vector(double *vec, size_t dim, FILE *fp) {
  char *end, token[100];
  size_t i;
  for (i = 0; i < dim; i++) {
    if (wf_next_argument(token, sizeof token, fp) == 0) {
      return -1;
    }
    vec[i] = strtod(token, &end);
    if (end == token || *end != '\0') {
      return -1;
    }
  }
  wf_skip_line(fp);
  return 0;
}
```
user: What is the c source code of the assembly code below:

```asm
<wf_parse_vector>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  mov    %rdx,%r12
  push   %rbp
  push   %rbx
  sub    $0x88,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x78(%rsp)
  xor    %eax,%eax
  test   %rsi,%rsi
  je     L28
  mov    %rdi,%r14
  mov    %rsi,%r13
  lea    0x10(%rsp),%rbp
  xor    %ebx,%ebx
  lea    0x8(%rsp),%r15
  jmp    L27
  nopl   (%rax)
L32:
  mov    %r15,%rsi
  mov    %rbp,%rdi
  call   <strtod@plt>
  mov    0x8(%rsp),%rax
  movsd  %xmm0,(%r14,%rbx,8)
  cmp    %rbp,%rax
  je     L37
  cmpb   $0x0,(%rax)
  jne    L37
  add    $0x1,%rbx
  cmp    %rbx,%r13
  je     L28
L27:
  mov    %r12,%rdx
  mov    $0x64,%esi
  mov    %rbp,%rdi
  call   <wf_next_argument@plt>
  test   %rax,%rax
  jne    L32
L37:
  mov    $0xffffffff,%eax
L47:
  mov    0x78(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L29
  add    $0x88,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   (%rax)
L28:
  mov    %r12,%rdi
  call   <wf_skip_line@plt>
  xor    %eax,%eax
  jmp    L47
L29:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int wf_parse_vector(double *vec, size_t dim, FILE *fp) {
  char *end, token[100];
  size_t i;
  for (i = 0; i < dim; i++) {
    if (wf_next_argument(token, sizeof token, fp) == 0) {
      return -1;
    }
    vec[i] = strtod(token, &end);
    if (end == token || *end != '\0') {
      return -1;
    }
  }
  wf_skip_line(fp);
  return 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
<wf_parse_vector>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  mov    %rdx,%r12
  push   %rbp
  push   %rbx
  sub    $0x88,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x78(%rsp)
  xor    %eax,%eax
  test   %rsi,%rsi
  je     L62
  mov    %rdi,%r14
  mov    %rsi,%r13
  lea    0x10(%rsp),%rbp
  xor    %ebx,%ebx
  lea    0x8(%rsp),%r15
  jmp    L2
  nopl   (%rax)
L45:
  mov    %r15,%rsi
  mov    %rbp,%rdi
  call   <strtod@plt>
  mov    0x8(%rsp),%rax
  movsd  %xmm0,(%r14,%rbx,8)
  cmp    %rbp,%rax
  je     L19
  cmpb   $0x0,(%rax)
  jne    L19
  add    $0x1,%rbx
  cmp    %rbx,%r13
  je     L62
L2:
  mov    %r12,%rdx
  mov    $0x64,%esi
  mov    %rbp,%rdi
  call   <wf_next_argument@plt>
  test   %rax,%rax
  jne    L45
L19:
  mov    $0xffffffff,%eax
L67:
  mov    0x78(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L76
  add    $0x88,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   (%rax)
L62:
  mov    %r12,%rdi
  call   <wf_skip_line@plt>
  xor    %eax,%eax
  jmp    L67
L76:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int wf_parse_vector(double *vec, size_t dim, FILE *fp) {
  char *end, token[100];
  size_t i;
  for (i = 0; i < dim; i++) {
    if (wf_next_argument(token, sizeof token, fp) == 0) {
      return -1;
    }
    vec[i] = strtod(token, &end);
    if (end == token || *end != '\0') {
      return -1;
    }
  }
  wf_skip_line(fp);
  return 0;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<PWMFaultIntRegister>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,-0x14(%rbp)
  mov    %rsi,-0x20(%rbp)
  cmpl   $0x40028000,-0x14(%rbp)
  je     L10
  cmpl   $0x40029000,-0x14(%rbp)
  jne    L27
L10:
  mov    $0x1,%eax
  jmp    L9
L27:
  mov    $0x0,%eax
L9:
  mov    %eax,%edi
  call   <ASSERT@plt>
  mov    -0x14(%rbp),%eax
  mov    %eax,%edi
  call   <_PWMFaultIntNumberGet@plt>
  mov    %eax,-0x4(%rbp)
  cmpl   $0x0,-0x4(%rbp)
  setne  %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <ASSERT@plt>
  mov    -0x20(%rbp),%rdx
  mov    -0x4(%rbp),%eax
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <IntRegister@plt>
  mov    -0x4(%rbp),%eax
  mov    %eax,%edi
  call   <IntEnable@plt>
  nop
  leave
  ret
```

assistant: ```c
void PWMFaultIntRegister(uint32_t ui32Base, void (*pfnIntHandler)(void)) {
  uint32_t ui32Int;
  ASSERT((ui32Base == 0x40028000) || (ui32Base == 0x40029000));
  ui32Int = _PWMFaultIntNumberGet(ui32Base);
  ASSERT(ui32Int != 0);
  IntRegister(ui32Int, pfnIntHandler);
  IntEnable(ui32Int);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<PWMFaultIntRegister>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %edi,%ebx
  mov    %rsi,%rbp
  mov    %edi,%eax
  and    $0xef,%ah
  cmp    $0x40028000,%eax
  sete   %dil
  movzbl %dil,%edi
  call   <ASSERT@plt>
  mov    %ebx,%edi
  call   <_PWMFaultIntNumberGet@plt>
  mov    %eax,%ebx
  test   %eax,%eax
  setne  %dil
  movzbl %dil,%edi
  call   <ASSERT@plt>
  mov    %rbp,%rsi
  mov    %ebx,%edi
  call   <IntRegister@plt>
  mov    %ebx,%edi
  call   <IntEnable@plt>
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
void PWMFaultIntRegister(uint32_t ui32Base, void (*pfnIntHandler)(void)) {
  uint32_t ui32Int;
  ASSERT((ui32Base == 0x40028000) || (ui32Base == 0x40029000));
  ui32Int = _PWMFaultIntNumberGet(ui32Base);
  ASSERT(ui32Int != 0);
  IntRegister(ui32Int, pfnIntHandler);
  IntEnable(ui32Int);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<PWMFaultIntRegister>:
  endbr64
  push   %r12
  mov    %edi,%eax
  mov    %rsi,%r12
  push   %rbp
  and    $0xef,%ah
  mov    %edi,%ebp
  xor    %edi,%edi
  sub    $0x8,%rsp
  cmp    $0x40028000,%eax
  sete   %dil
  call   <ASSERT@plt>
  mov    %ebp,%edi
  call   <_PWMFaultIntNumberGet@plt>
  xor    %edi,%edi
  test   %eax,%eax
  mov    %eax,%ebp
  setne  %dil
  call   <ASSERT@plt>
  mov    %ebp,%edi
  mov    %r12,%rsi
  call   <IntRegister@plt>
  add    $0x8,%rsp
  mov    %ebp,%edi
  pop    %rbp
  pop    %r12
  jmp    1090 <IntEnable@plt>
```

assistant: ```c
void PWMFaultIntRegister(uint32_t ui32Base, void (*pfnIntHandler)(void)) {
  uint32_t ui32Int;
  ASSERT((ui32Base == 0x40028000) || (ui32Base == 0x40029000));
  ui32Int = _PWMFaultIntNumberGet(ui32Base);
  ASSERT(ui32Int != 0);
  IntRegister(ui32Int, pfnIntHandler);
  IntEnable(ui32Int);
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<PWMFaultIntRegister>:
  endbr64
  push   %r12
  mov    %edi,%eax
  mov    %rsi,%r12
  push   %rbp
  and    $0xef,%ah
  mov    %edi,%ebp
  xor    %edi,%edi
  sub    $0x8,%rsp
  cmp    $0x40028000,%eax
  sete   %dil
  call   <ASSERT@plt>
  mov    %ebp,%edi
  call   <_PWMFaultIntNumberGet@plt>
  xor    %edi,%edi
  test   %eax,%eax
  mov    %eax,%ebp
  setne  %dil
  call   <ASSERT@plt>
  mov    %ebp,%edi
  mov    %r12,%rsi
  call   <IntRegister@plt>
  add    $0x8,%rsp
  mov    %ebp,%edi
  pop    %rbp
  pop    %r12
  jmp    1090 <IntEnable@plt>
```

assistant: ```c
void PWMFaultIntRegister(uint32_t ui32Base, void (*pfnIntHandler)(void)) {
  uint32_t ui32Int;
  ASSERT((ui32Base == 0x40028000) || (ui32Base == 0x40029000));
  ui32Int = _PWMFaultIntNumberGet(ui32Base);
  ASSERT(ui32Int != 0);
  IntRegister(ui32Int, pfnIntHandler);
  IntEnable(ui32Int);
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<ft_memcmp>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %rdx,-0x38(%rbp)
  movq   $0x0,-0x18(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x30(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x38(%rbp)
  jne    L34
  mov    $0x0,%eax
  jmp    L3
L5:
  addq   $0x1,-0x18(%rbp)
L34:
  mov    -0x18(%rbp),%rax
  cmp    -0x38(%rbp),%rax
  jae    L32
  mov    -0x10(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%edx
  mov    -0x8(%rbp),%rcx
  mov    -0x18(%rbp),%rax
  add    %rcx,%rax
  movzbl (%rax),%eax
  cmp    %al,%dl
  jne    L32
  mov    -0x10(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L5
L32:
  mov    -0x18(%rbp),%rax
  cmp    -0x38(%rbp),%rax
  jne    L61
  mov    $0x0,%eax
  jmp    L3
L61:
  mov    -0x10(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  mov    -0x8(%rbp),%rcx
  mov    -0x18(%rbp),%rdx
  add    %rcx,%rdx
  movzbl (%rdx),%edx
  movzbl %dl,%edx
  sub    %edx,%eax
L3:
  pop    %rbp
  ret
```

assistant: ```c
int ft_memcmp(const void *s1, const void *s2, size_t n) {
  size_t i;
  unsigned char *ptr1;
  unsigned char *ptr2;
  i = 0;
  ptr1 = ((unsigned char *)s1);
  ptr2 = ((unsigned char *)s2);
  if (n == 0)
    return (0);
  while (i < n && ptr1[i] == ptr2[i] && ptr1[i] != 0)
    i++;
  if (i == n)
    return (0);
  return (ptr1[i] - ptr2[i]);
}
```
user: Translate the below assembly code into C programming language:

```asm
<ft_memcmp>:
  endbr64
  mov    $0x0,%eax
  mov    $0x0,%ecx
  test   %rdx,%rdx
  je     L26
L8:
  movzbl (%rdi,%rcx,1),%eax
  cmp    %al,(%rsi,%rcx,1)
  jne    L22
  test   %al,%al
  je     L22
  add    $0x1,%rcx
  cmp    %rcx,%rdx
  jne    L8
  mov    $0x0,%eax
  ret
L22:
  cmp    %rcx,%rdx
  je     L11
  movzbl (%rdi,%rcx,1),%eax
  movzbl (%rsi,%rcx,1),%edx
  sub    %edx,%eax
  ret
L11:
  mov    $0x0,%eax
L26:
  ret
```

assistant: ```c
int ft_memcmp(const void *s1, const void *s2, size_t n) {
  size_t i;
  unsigned char *ptr1;
  unsigned char *ptr2;
  i = 0;
  ptr1 = ((unsigned char *)s1);
  ptr2 = ((unsigned char *)s2);
  if (n == 0)
    return (0);
  while (i < n && ptr1[i] == ptr2[i] && ptr1[i] != 0)
    i++;
  if (i == n)
    return (0);
  return (ptr1[i] - ptr2[i]);
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<ft_memcmp>:
  endbr64
  xor    %eax,%eax
  xor    %ecx,%ecx
  test   %rdx,%rdx
  je     L4
  nopl   (%rax)
L16:
  movzbl (%rdi,%rcx,1),%eax
  cmp    %al,(%rsi,%rcx,1)
  jne    L22
  test   %al,%al
  je     L22
  add    $0x1,%rcx
  cmp    %rcx,%rdx
  jne    L16
L14:
  xor    %eax,%eax
L4:
  ret
  nopl   0x0(%rax)
L22:
  cmp    %rcx,%rdx
  je     L14
  movzbl (%rdi,%rcx,1),%eax
  movzbl (%rsi,%rcx,1),%edx
  sub    %edx,%eax
  ret
```

assistant: ```c
int ft_memcmp(const void *s1, const void *s2, size_t n) {
  size_t i;
  unsigned char *ptr1;
  unsigned char *ptr2;
  i = 0;
  ptr1 = ((unsigned char *)s1);
  ptr2 = ((unsigned char *)s2);
  if (n == 0)
    return (0);
  while (i < n && ptr1[i] == ptr2[i] && ptr1[i] != 0)
    i++;
  if (i == n)
    return (0);
  return (ptr1[i] - ptr2[i]);
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<ft_memcmp>:
  endbr64
  xor    %eax,%eax
  xor    %ecx,%ecx
  test   %rdx,%rdx
  je     L4
  nopl   (%rax)
L22:
  movzbl (%rdi,%rcx,1),%eax
  cmp    %al,(%rsi,%rcx,1)
  jne    L1
  test   %al,%al
  je     L1
  add    $0x1,%rcx
  cmp    %rcx,%rdx
  jne    L22
L11:
  xor    %eax,%eax
L4:
  ret
  nopl   0x0(%rax)
L1:
  cmp    %rcx,%rdx
  je     L11
  movzbl (%rdi,%rcx,1),%eax
  movzbl (%rsi,%rcx,1),%edx
  sub    %edx,%eax
  ret
```

assistant: ```c
int ft_memcmp(const void *s1, const void *s2, size_t n) {
  size_t i;
  unsigned char *ptr1;
  unsigned char *ptr2;
  i = 0;
  ptr1 = ((unsigned char *)s1);
  ptr2 = ((unsigned char *)s2);
  if (n == 0)
    return (0);
  while (i < n && ptr1[i] == ptr2[i] && ptr1[i] != 0)
    i++;
  if (i == n)
    return (0);
  return (ptr1[i] - ptr2[i]);
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<strtrim>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  jmp    L43
L1:
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  mov    %eax,%edi
  call   <isspace@plt>
  test   %eax,%eax
  je     L55
  addq   $0x1,-0x10(%rbp)
L43:
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L1
  jmp    L12
L55:
  nop
L12:
  mov    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  movslq %eax,%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x8(%rbp)
  jmp    L81
L50:
  mov    -0x8(%rbp),%rax
  sub    $0x1,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  mov    %eax,%edi
  call   <isspace@plt>
  test   %eax,%eax
  je     L52
  subq   $0x1,-0x8(%rbp)
L81:
  mov    -0x10(%rbp),%rax
  add    $0x1,%rax
  cmp    %rax,-0x8(%rbp)
  ja     L50
  jmp    L22
L52:
  nop
L22:
  mov    -0x8(%rbp),%rax
  movb   $0x0,(%rax)
  mov    -0x10(%rbp),%rax
  cmp    -0x18(%rbp),%rax
  jbe    L20
  mov    -0x8(%rbp),%rax
  sub    -0x10(%rbp),%rax
  add    $0x1,%eax
  mov    %eax,%edx
  mov    -0x10(%rbp),%rcx
  mov    -0x18(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <memmove@plt>
L20:
  nop
  leave
  ret
```

assistant: ```c
void strtrim(char *str) {
  char *start, *end;
  for (start = str; *start; start++) {
    if (!isspace((unsigned char)start[0]))
      break;
  }
  for (end = start + strlen(start); end > start + 1; end--) {
    if (!isspace((unsigned char)end[-1]))
      break;
  }
  *end = 0;
  if (start > str)
    memmove(str, start, (end - start) + 1);
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<strtrim>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%r12
  movzbl (%rdi),%edi
  test   %dil,%dil
  je     L28
  mov    %r12,%rbp
L46:
  movzbl %dil,%edi
  call   <isspace@plt>
  test   %eax,%eax
  je     L70
  add    $0x1,%rbp
  movzbl 0x0(%rbp),%edi
  test   %dil,%dil
  jne    L46
L70:
  mov    %rbp,%rdi
  call   <strlen@plt>
  movslq %eax,%rbx
  add    %rbp,%rbx
  lea    0x1(%rbp),%r13
  cmp    %r13,%rbx
  jbe    L37
L57:
  movzbl -0x1(%rbx),%edi
  call   <isspace@plt>
  test   %eax,%eax
  je     L37
  sub    $0x1,%rbx
  cmp    %r13,%rbx
  ja     L57
L37:
  movb   $0x0,(%rbx)
  cmp    %rbp,%r12
  jb     L84
L32:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L84:
  sub    %rbp,%rbx
  lea    0x1(%rbx),%edx
  mov    %rbp,%rsi
  mov    %r12,%rdi
  call   <memmove@plt>
  jmp    L32
L28:
  mov    %r12,%rdi
  call   <strlen@plt>
  movslq %eax,%rbx
  add    %r12,%rbx
  lea    0x1(%r12),%r13
  mov    %r12,%rbp
  cmp    %r13,%rbx
  ja     L57
  movb   $0x0,(%rbx)
  jmp    L32
```

assistant: ```c
void strtrim(char *str) {
  char *start, *end;
  for (start = str; *start; start++) {
    if (!isspace((unsigned char)start[0]))
      break;
  }
  for (end = start + strlen(start); end > start + 1; end--) {
    if (!isspace((unsigned char)end[-1]))
      break;
  }
  *end = 0;
  if (start > str)
    memmove(str, start, (end - start) + 1);
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<strtrim>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  sub    $0x8,%rsp
  movzbl (%rdi),%edi
  test   %dil,%dil
  je     L75
  mov    %rbp,%rbx
  jmp    L15
  nopw   0x0(%rax,%rax,1)
L57:
  movzbl 0x1(%r12),%edi
  test   %dil,%dil
  je     L3
L15:
  call   <isspace@plt>
  mov    %rbx,%r12
  lea    0x1(%rbx),%rbx
  test   %eax,%eax
  jne    L57
L11:
  mov    %r12,%rdi
  lea    0x1(%r12),%r13
  call   <strlen@plt>
  movslq %eax,%rbx
  add    %r12,%rbx
  cmp    %r13,%rbx
  ja     L100
  jmp    L115
  nopl   (%rax)
L73:
  sub    $0x1,%rbx
  cmp    %r13,%rbx
  jbe    L115
L100:
  movzbl -0x1(%rbx),%edi
  call   <isspace@plt>
  test   %eax,%eax
  jne    L73
L115:
  movb   $0x0,(%rbx)
  cmp    %r12,%rbp
  jb     L32
L91:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax)
L3:
  mov    %rbx,%r12
  jmp    L11
  nopl   (%rax)
L32:
  add    $0x8,%rsp
  sub    %r12,%rbx
  mov    %r12,%rsi
  mov    %rbp,%rdi
  lea    0x1(%rbx),%edx
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  jmp    1090 <memmove@plt>
L75:
  mov    %rbp,%rdi
  lea    0x1(%rbp),%r13
  mov    %rbp,%r12
  call   <strlen@plt>
  movslq %eax,%rbx
  add    %rbp,%rbx
  cmp    %r13,%rbx
  ja     L100
  movb   $0x0,(%rbx)
  jmp    L91
```

assistant: ```c
void strtrim(char *str) {
  char *start, *end;
  for (start = str; *start; start++) {
    if (!isspace((unsigned char)start[0]))
      break;
  }
  for (end = start + strlen(start); end > start + 1; end--) {
    if (!isspace((unsigned char)end[-1]))
      break;
  }
  *end = 0;
  if (start > str)
    memmove(str, start, (end - start) + 1);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<strtrim>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  sub    $0x8,%rsp
  movzbl (%rdi),%edi
  test   %dil,%dil
  je     L4
  mov    %rbp,%rbx
  jmp    L79
  nopw   0x0(%rax,%rax,1)
L48:
  movzbl 0x1(%r12),%edi
  test   %dil,%dil
  je     L36
L79:
  call   <isspace@plt>
  mov    %rbx,%r12
  lea    0x1(%rbx),%rbx
  test   %eax,%eax
  jne    L48
L14:
  mov    %r12,%rdi
  lea    0x1(%r12),%r13
  call   <strlen@plt>
  movslq %eax,%rbx
  add    %r12,%rbx
  cmp    %r13,%rbx
  ja     L52
  jmp    L104
  nopl   (%rax)
L53:
  sub    $0x1,%rbx
  cmp    %r13,%rbx
  jbe    L104
L52:
  movzbl -0x1(%rbx),%edi
  call   <isspace@plt>
  test   %eax,%eax
  jne    L53
L104:
  movb   $0x0,(%rbx)
  cmp    %r12,%rbp
  jb     L75
L77:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax)
L36:
  mov    %rbx,%r12
  jmp    L14
  nopl   (%rax)
L75:
  add    $0x8,%rsp
  sub    %r12,%rbx
  mov    %r12,%rsi
  mov    %rbp,%rdi
  lea    0x1(%rbx),%edx
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  jmp    1090 <memmove@plt>
L4:
  mov    %rbp,%rdi
  lea    0x1(%rbp),%r13
  mov    %rbp,%r12
  call   <strlen@plt>
  movslq %eax,%rbx
  add    %rbp,%rbx
  cmp    %r13,%rbx
  ja     L52
  movb   $0x0,(%rbx)
  jmp    L77
```

assistant: ```c
void strtrim(char *str) {
  char *start, *end;
  for (start = str; *start; start++) {
    if (!isspace((unsigned char)start[0]))
      break;
  }
  for (end = start + strlen(start); end > start + 1; end--) {
    if (!isspace((unsigned char)end[-1]))
      break;
  }
  *end = 0;
  if (start > str)
    memmove(str, start, (end - start) + 1);
}
```