ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 请从给定的汇编指令推导出C源代码:

```asm
<readTagCharacter>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    (%rdi),%rax
  movsbl (%rax),%ebp
  lea    0x1(%rax),%rdx
  mov    %rdx,(%rdi)
  cmp    $0x5c,%ebp
  je     L98
L118:
  mov    %ebp,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L98:
  mov    %rdi,%rbx
  movzbl 0x1(%rax),%esi
  lea    -0x5c(%rsi),%edx
  cmp    $0x1c,%dl
  ja     L118
  movzbl %dl,%edx
  lea    D1(%rip),%rcx
  movslq (%rcx,%rdx,4),%rdx
  add    %rcx,%rdx
  notrack jmp *%rdx
  add    $0x2,%rax
  mov    %rax,(%rdi)
  mov    $0x9,%ebp
  jmp    L118
  add    $0x2,%rax
  mov    %rax,(%rdi)
  mov    $0xd,%ebp
  jmp    L118
  add    $0x2,%rax
  mov    %rax,(%rdi)
  mov    $0xa,%ebp
  jmp    L118
  add    $0x2,%rax
  mov    %rax,(%rdi)
  jmp    L118
  add    $0x2,%rax
  mov    %rax,(%rdi)
  mov    $0x7,%ebp
  jmp    L118
  add    $0x2,%rax
  mov    %rax,(%rdi)
  mov    $0x8,%ebp
  jmp    L118
  add    $0x2,%rax
  mov    %rax,(%rdi)
  mov    $0xb,%ebp
  jmp    L118
  add    $0x2,%rax
  mov    %rax,(%rdi)
  mov    $0xc,%ebp
  jmp    L118
  movsbl 0x2(%rax),%edi
  call   <isxdigit@plt>
  test   %eax,%eax
  je     L118
  mov    (%rbx),%rax
  movsbl 0x2(%rax),%edi
  call   <isxdigit@plt>
  test   %eax,%eax
  je     L118
  mov    (%rbx),%rax
  movsbl 0x1(%rax),%edi
  call   <xdigitValue@plt>
  mov    %eax,%r12d
  mov    (%rbx),%rax
  movsbl 0x2(%rax),%edi
  call   <xdigitValue@plt>
  mov    %eax,%edx
  mov    %r12d,%eax
  shl    $0x4,%eax
  or     %edx,%eax
  cmp    $0x7f,%eax
  jg     L118
  addq   $0x3,(%rbx)
  mov    %eax,%ebp
  jmp    L118
```

assistant: ```c
int readTagCharacter(const char **s) {
  int c = **s;
  (*s)++;
  if (c == '\\') {
    switch (**s) {
    case 't':
      c = '\t';
      (*s)++;
      break;
    case 'r':
      c = '\r';
      (*s)++;
      break;
    case 'n':
      c = '\n';
      (*s)++;
      break;
    case '\\':
      c = '\\';
      (*s)++;
      break;
    case 'a':
      c = '\a';
      (*s)++;
      break;
    case 'b':
      c = '\b';
      (*s)++;
      break;
    case 'v':
      c = '\v';
      (*s)++;
      break;
    case 'f':
      c = '\f';
      (*s)++;
      break;
    case 'x':
      if (isxdigit((*s)[1]) && isxdigit((*s)[2])) {
        int val = (xdigitValue((*s)[1]) << 4) | xdigitValue((*s)[2]);
        if (val < 0x80) {
          (*s) += 3;
          c = val;
        }
      }
      break;
    }
  }
  return c;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<readTagCharacter>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    (%rdi),%rax
  movsbl (%rax),%r12d
  lea    0x1(%rax),%rdx
  mov    %rdx,(%rdi)
  cmp    $0x5c,%r12d
  je     L139
L97:
  mov    %r12d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax)
L139:
  movzbl 0x1(%rax),%esi
  lea    -0x5c(%rsi),%edx
  cmp    $0x1c,%dl
  ja     L97
  lea    D3(%rip),%rcx
  movzbl %dl,%edx
  mov    %rdi,%rbx
  movslq (%rcx,%rdx,4),%rdx
  add    %rcx,%rdx
  notrack jmp *%rdx
  nopl   0x0(%rax,%rax,1)
  movsbl 0x2(%rax),%edi
  call   <isxdigit@plt>
  test   %eax,%eax
  je     L97
  mov    (%rbx),%rax
  movsbl 0x2(%rax),%edi
  call   <isxdigit@plt>
  test   %eax,%eax
  je     L97
  mov    (%rbx),%rax
  movsbl 0x1(%rax),%edi
  call   <xdigitValue@plt>
  mov    %eax,%ebp
  mov    (%rbx),%rax
  movsbl 0x2(%rax),%edi
  call   <xdigitValue@plt>
  mov    %eax,%r8d
  mov    %ebp,%eax
  shl    $0x4,%eax
  or     %r8d,%eax
  cmp    $0x7f,%eax
  jg     L97
  addq   $0x3,(%rbx)
  mov    %eax,%r12d
  jmp    L97
  nopl   0x0(%rax,%rax,1)
  add    $0x2,%rax
  mov    %rax,(%rdi)
  jmp    L97
  nopl   0x0(%rax)
  add    $0x2,%rax
  mov    $0x7,%r12d
  mov    %rax,(%rdi)
  jmp    L97
  nopw   0x0(%rax,%rax,1)
  add    $0x2,%rax
  mov    $0x8,%r12d
  mov    %rax,(%rdi)
  jmp    L97
  nopw   0x0(%rax,%rax,1)
  add    $0x2,%rax
  mov    $0xc,%r12d
  mov    %rax,(%rdi)
  jmp    L97
  nopw   0x0(%rax,%rax,1)
  add    $0x2,%rax
  mov    $0xa,%r12d
  mov    %rax,(%rdi)
  jmp    L97
  nopw   0x0(%rax,%rax,1)
  add    $0x2,%rax
  mov    $0xd,%r12d
  mov    %rax,(%rdi)
  jmp    L97
  nopw   0x0(%rax,%rax,1)
  add    $0x2,%rax
  mov    $0x9,%r12d
  mov    %rax,(%rdi)
  jmp    L97
  nopw   0x0(%rax,%rax,1)
  add    $0x2,%rax
  mov    $0xb,%r12d
  mov    %rax,(%rdi)
  jmp    L97
```

assistant: ```c
int readTagCharacter(const char **s) {
  int c = **s;
  (*s)++;
  if (c == '\\') {
    switch (**s) {
    case 't':
      c = '\t';
      (*s)++;
      break;
    case 'r':
      c = '\r';
      (*s)++;
      break;
    case 'n':
      c = '\n';
      (*s)++;
      break;
    case '\\':
      c = '\\';
      (*s)++;
      break;
    case 'a':
      c = '\a';
      (*s)++;
      break;
    case 'b':
      c = '\b';
      (*s)++;
      break;
    case 'v':
      c = '\v';
      (*s)++;
      break;
    case 'f':
      c = '\f';
      (*s)++;
      break;
    case 'x':
      if (isxdigit((*s)[1]) && isxdigit((*s)[2])) {
        int val = (xdigitValue((*s)[1]) << 4) | xdigitValue((*s)[2]);
        if (val < 0x80) {
          (*s) += 3;
          c = val;
        }
      }
      break;
    }
  }
  return c;
}
```
user: What is the c source code of the assembly code below:

```asm
<readTagCharacter>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    (%rdi),%rax
  movsbl (%rax),%r12d
  lea    0x1(%rax),%rdx
  mov    %rdx,(%rdi)
  cmp    $0x5c,%r12d
  je     L83
L48:
  mov    %r12d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax)
L83:
  movzbl 0x1(%rax),%esi
  lea    -0x5c(%rsi),%edx
  cmp    $0x1c,%dl
  ja     L48
  lea    D0(%rip),%rcx
  movzbl %dl,%edx
  mov    %rdi,%rbx
  movslq (%rcx,%rdx,4),%rdx
  add    %rcx,%rdx
  notrack jmp *%rdx
  nopl   0x0(%rax,%rax,1)
  movsbl 0x2(%rax),%edi
  call   <isxdigit@plt>
  test   %eax,%eax
  je     L48
  mov    (%rbx),%rax
  movsbl 0x2(%rax),%edi
  call   <isxdigit@plt>
  test   %eax,%eax
  je     L48
  mov    (%rbx),%rax
  movsbl 0x1(%rax),%edi
  call   <xdigitValue@plt>
  mov    %eax,%ebp
  mov    (%rbx),%rax
  movsbl 0x2(%rax),%edi
  call   <xdigitValue@plt>
  mov    %eax,%r8d
  mov    %ebp,%eax
  shl    $0x4,%eax
  or     %r8d,%eax
  cmp    $0x7f,%eax
  jg     L48
  addq   $0x3,(%rbx)
  mov    %eax,%r12d
  jmp    L48
  nopl   0x0(%rax,%rax,1)
  add    $0x2,%rax
  mov    %rax,(%rdi)
  jmp    L48
  nopl   0x0(%rax)
  add    $0x2,%rax
  mov    $0x7,%r12d
  mov    %rax,(%rdi)
  jmp    L48
  nopw   0x0(%rax,%rax,1)
  add    $0x2,%rax
  mov    $0x8,%r12d
  mov    %rax,(%rdi)
  jmp    L48
  nopw   0x0(%rax,%rax,1)
  add    $0x2,%rax
  mov    $0xc,%r12d
  mov    %rax,(%rdi)
  jmp    L48
  nopw   0x0(%rax,%rax,1)
  add    $0x2,%rax
  mov    $0xa,%r12d
  mov    %rax,(%rdi)
  jmp    L48
  nopw   0x0(%rax,%rax,1)
  add    $0x2,%rax
  mov    $0xd,%r12d
  mov    %rax,(%rdi)
  jmp    L48
  nopw   0x0(%rax,%rax,1)
  add    $0x2,%rax
  mov    $0x9,%r12d
  mov    %rax,(%rdi)
  jmp    L48
  nopw   0x0(%rax,%rax,1)
  add    $0x2,%rax
  mov    $0xb,%r12d
  mov    %rax,(%rdi)
  jmp    L48
```

assistant: ```c
int readTagCharacter(const char **s) {
  int c = **s;
  (*s)++;
  if (c == '\\') {
    switch (**s) {
    case 't':
      c = '\t';
      (*s)++;
      break;
    case 'r':
      c = '\r';
      (*s)++;
      break;
    case 'n':
      c = '\n';
      (*s)++;
      break;
    case '\\':
      c = '\\';
      (*s)++;
      break;
    case 'a':
      c = '\a';
      (*s)++;
      break;
    case 'b':
      c = '\b';
      (*s)++;
      break;
    case 'v':
      c = '\v';
      (*s)++;
      break;
    case 'f':
      c = '\f';
      (*s)++;
      break;
    case 'x':
      if (isxdigit((*s)[1]) && isxdigit((*s)[2])) {
        int val = (xdigitValue((*s)[1]) << 4) | xdigitValue((*s)[2]);
        if (val < 0x80) {
          (*s) += 3;
          c = val;
        }
      }
      break;
    }
  }
  return c;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<cansid_convert_color>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,%eax
  mov    %al,-0x14(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movabs $0x703050106020400,%rax
  mov    %rax,-0x10(%rbp)
  movzbl -0x14(%rbp),%eax
  cltq
  movzbl -0x10(%rbp,%rax,1),%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L5
  call   <__stack_chk_fail@plt>
L5:
  leave
  ret
```

assistant: ```c
unsigned char cansid_convert_color(unsigned char color) {
  const unsigned char lookup_table[8] = {0, 4, 2, 6, 1, 5, 3, 7};
  return lookup_table[(int)color];
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<cansid_convert_color>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  movabs $0x703050106020400,%rax
  mov    %rax,(%rsp)
  movzbl %dil,%edi
  movzbl (%rsp,%rdi,1),%eax
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L0
  add    $0x18,%rsp
  ret
L0:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
unsigned char cansid_convert_color(unsigned char color) {
  const unsigned char lookup_table[8] = {0, 4, 2, 6, 1, 5, 3, 7};
  return lookup_table[(int)color];
}
```
user: Translate the below assembly code into C programming language:

```asm
<cansid_convert_color>:
  endbr64
  sub    $0x18,%rsp
  movzbl %dil,%edi
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  movabs $0x703050106020400,%rax
  mov    %rax,(%rsp)
  movzbl (%rsp,%rdi,1),%eax
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L8
  add    $0x18,%rsp
  ret
L8:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
unsigned char cansid_convert_color(unsigned char color) {
  const unsigned char lookup_table[8] = {0, 4, 2, 6, 1, 5, 3, 7};
  return lookup_table[(int)color];
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<cansid_convert_color>:
  endbr64
  sub    $0x18,%rsp
  movzbl %dil,%edi
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  movabs $0x703050106020400,%rax
  mov    %rax,(%rsp)
  movzbl (%rsp,%rdi,1),%eax
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L2
  add    $0x18,%rsp
  ret
L2:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
unsigned char cansid_convert_color(unsigned char color) {
  const unsigned char lookup_table[8] = {0, 4, 2, 6, 1, 5, 3, 7};
  return lookup_table[(int)color];
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<st_str>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  mov    (%rax),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x10(%rbp)
  jmp    L34
L31:
  addq   $0x10,-0x10(%rbp)
L34:
  mov    -0x10(%rbp),%rax
  mov    (%rax),%rdx
  mov    D3(%rip),%rax
  mov    (%rax),%rax
  cmp    %rax,%rdx
  jne    L31
  jmp    L19
L10:
  addq   $0x10,-0x10(%rbp)
L19:
  mov    -0x10(%rbp),%rax
  mov    (%rax),%rdx
  mov    D5(%rip),%rax
  mov    (%rax),%rax
  cmp    %rax,%rdx
  jne    L10
  mov    -0x10(%rbp),%rax
  mov    0x8(%rax),%eax
  movslq %eax,%rdx
  mov    -0x20(%rbp),%rax
  add    %rax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  pop    %rbp
  ret
```

assistant: ```c
unsigned char *st_str(unsigned char *elf, long index) {
  Elf64_Ehdr *ehdr = (Elf64_Ehdr *)elf;
  Elf64_Shdr *shdr = (Elf64_Shdr *)(elf + ehdr->e_shoff);
  while (shdr->sh_type != SHT_SYMTAB)
    shdr++;
  while (shdr->sh_type != SHT_STRTAB)
    shdr++;
  return elf + shdr->sh_offset + index;
}
```
user: Translate the below assembly code into C programming language:

```asm
<st_str>:
  endbr64
  movslq (%rdi),%rdx
  add    %rdi,%rdx
  mov    D13(%rip),%rax
  mov    (%rax),%rcx
  cmp    %rcx,(%rdx)
  je     L38
L31:
  add    $0x10,%rdx
  cmp    %rcx,(%rdx)
  jne    L31
L38:
  mov    D12(%rip),%rax
  mov    (%rax),%rcx
  cmp    %rcx,(%rdx)
  je     L20
L6:
  add    $0x10,%rdx
  cmp    %rcx,(%rdx)
  jne    L6
L20:
  movslq 0x8(%rdx),%rax
  add    %rsi,%rax
  add    %rdi,%rax
  ret
```

assistant: ```c
unsigned char *st_str(unsigned char *elf, long index) {
  Elf64_Ehdr *ehdr = (Elf64_Ehdr *)elf;
  Elf64_Shdr *shdr = (Elf64_Shdr *)(elf + ehdr->e_shoff);
  while (shdr->sh_type != SHT_SYMTAB)
    shdr++;
  while (shdr->sh_type != SHT_STRTAB)
    shdr++;
  return elf + shdr->sh_offset + index;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<st_str>:
  endbr64
  movslq (%rdi),%rdx
  mov    D8(%rip),%rax
  add    %rdi,%rdx
  mov    (%rax),%rcx
  cmp    %rcx,(%rdx)
  je     L25
  nopl   0x0(%rax)
L17:
  add    $0x10,%rdx
  cmp    %rcx,(%rdx)
  jne    L17
L25:
  mov    D6(%rip),%rax
  mov    (%rax),%r8
  cmp    %rcx,%r8
  je     L7
  nopl   0x0(%rax,%rax,1)
L39:
  add    $0x10,%rdx
  cmp    %r8,(%rdx)
  jne    L39
L7:
  movslq 0x8(%rdx),%rax
  add    %rsi,%rax
  add    %rdi,%rax
  ret
```

assistant: ```c
unsigned char *st_str(unsigned char *elf, long index) {
  Elf64_Ehdr *ehdr = (Elf64_Ehdr *)elf;
  Elf64_Shdr *shdr = (Elf64_Shdr *)(elf + ehdr->e_shoff);
  while (shdr->sh_type != SHT_SYMTAB)
    shdr++;
  while (shdr->sh_type != SHT_STRTAB)
    shdr++;
  return elf + shdr->sh_offset + index;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<st_str>:
  endbr64
  movslq (%rdi),%rdx
  mov    D11(%rip),%rax
  add    %rdi,%rdx
  mov    (%rax),%rcx
  cmp    %rcx,(%rdx)
  je     L20
  nopl   0x0(%rax)
L0:
  add    $0x10,%rdx
  cmp    %rcx,(%rdx)
  jne    L0
L20:
  mov    D7(%rip),%rax
  mov    (%rax),%r8
  cmp    %rcx,%r8
  je     L19
  nopl   0x0(%rax,%rax,1)
L25:
  add    $0x10,%rdx
  cmp    %r8,(%rdx)
  jne    L25
L19:
  movslq 0x8(%rdx),%rax
  add    %rsi,%rax
  add    %rdi,%rax
  ret
```

assistant: ```c
unsigned char *st_str(unsigned char *elf, long index) {
  Elf64_Ehdr *ehdr = (Elf64_Ehdr *)elf;
  Elf64_Shdr *shdr = (Elf64_Shdr *)(elf + ehdr->e_shoff);
  while (shdr->sh_type != SHT_SYMTAB)
    shdr++;
  while (shdr->sh_type != SHT_STRTAB)
    shdr++;
  return elf + shdr->sh_offset + index;
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<generate_signs>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x14(%rbp)
  mov    %esi,-0x18(%rbp)
  mov    %rdx,-0x20(%rbp)
  mov    -0x18(%rbp),%eax
  mov    %eax,-0x8(%rbp)
  movl   $0x0,-0x4(%rbp)
  jmp    L28
L12:
  mov    -0x8(%rbp),%eax
  mov    -0x14(%rbp),%edx
  mov    %eax,%ecx
  sar    %cl,%edx
  mov    %edx,%eax
  and    $0x1,%eax
  test   %eax,%eax
  je     L1
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  movb   $0x2b,(%rax)
  jmp    L13
L1:
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  movb   $0x2d,(%rax)
L13:
  subl   $0x1,-0x8(%rbp)
  addl   $0x1,-0x4(%rbp)
L28:
  cmpl   $0x0,-0x8(%rbp)
  jns    L12
  nop
  nop
  pop    %rbp
  ret
```

assistant: ```c
void generate_signs(const int number, const int length, char *string) {
  for (int i = length, j = 0; i >= 0; i--, j++) {
    if ((number >> i) & 1) {
      string[j] = '+';
    } else {
      string[j] = '-';
    }
  }
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<generate_signs>:
  endbr64
  test   %esi,%esi
  jns    L31
L17:
  ret
L16:
  movb   $0x2d,(%rdx)
L11:
  sub    $0x1,%esi
  add    $0x1,%rdx
  cmp    $0xffffffff,%esi
  je     L17
L31:
  bt     %esi,%edi
  jae    L16
  movb   $0x2b,(%rdx)
  jmp    L11
```

assistant: ```c
void generate_signs(const int number, const int length, char *string) {
  for (int i = length, j = 0; i >= 0; i--, j++) {
    if ((number >> i) & 1) {
      string[j] = '+';
    } else {
      string[j] = '-';
    }
  }
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<generate_signs>:
  endbr64
  mov    %esi,%ecx
  test   %esi,%esi
  js     L17
  nopw   0x0(%rax,%rax,1)
L12:
  mov    %edi,%eax
  sar    %cl,%eax
  and    $0x1,%eax
  cmp    $0x1,%eax
  sbb    %eax,%eax
  sub    $0x1,%ecx
  add    $0x1,%rdx
  and    $0x2,%eax
  add    $0x2b,%eax
  mov    %al,-0x1(%rdx)
  cmp    $0xffffffff,%ecx
  jne    L12
L17:
  ret
```

assistant: ```c
void generate_signs(const int number, const int length, char *string) {
  for (int i = length, j = 0; i >= 0; i--, j++) {
    if ((number >> i) & 1) {
      string[j] = '+';
    } else {
      string[j] = '-';
    }
  }
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<generate_signs>:
  endbr64
  test   %esi,%esi
  js     L37
  nopl   0x0(%rax,%rax,1)
L21:
  bt     %esi,%edi
  jb     L38
  sub    $0x1,%esi
  movb   $0x2d,(%rdx)
  add    $0x1,%rdx
  cmp    $0xffffffff,%esi
  jne    L21
  ret
  nopl   (%rax)
L38:
  sub    $0x1,%esi
  movb   $0x2b,(%rdx)
  add    $0x1,%rdx
  cmp    $0xffffffff,%esi
  jne    L21
L37:
  ret
```

assistant: ```c
void generate_signs(const int number, const int length, char *string) {
  for (int i = length, j = 0; i >= 0; i--, j++) {
    if ((number >> i) & 1) {
      string[j] = '+';
    } else {
      string[j] = '-';
    }
  }
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<_conf_val_str>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  movl   $0x0,-0xc(%rbp)
  mov    -0x20(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <_conf_value@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  je     L8
  mov    -0x28(%rbp),%rax
  mov    (%rax),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    -0x28(%rbp),%rax
  mov    -0x8(%rbp),%rdx
  mov    %rdx,(%rax)
  movl   $0x1,-0xc(%rbp)
L8:
  mov    -0xc(%rbp),%eax
  leave
  ret
```

assistant: ```c
int _conf_val_str(const char *buf, const char *option, char **oldval) {
  char *value;
  int rc = 0;
  if ((value = _conf_value(buf, option)) != NULL) {
    free(*oldval);
    *oldval = value;
    rc = 1;
  }
  return rc;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<_conf_val_str>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdx,%rbp
  call   <_conf_value@plt>
  mov    %rax,%rbx
  mov    $0x0,%eax
  test   %rbx,%rbx
  je     L3
  mov    0x0(%rbp),%rdi
  call   <free@plt>
  mov    %rbx,0x0(%rbp)
  mov    $0x1,%eax
L3:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
int _conf_val_str(const char *buf, const char *option, char **oldval) {
  char *value;
  int rc = 0;
  if ((value = _conf_value(buf, option)) != NULL) {
    free(*oldval);
    *oldval = value;
    rc = 1;
  }
  return rc;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<_conf_val_str>:
  endbr64
  push   %rbp
  mov    %rdx,%rbp
  push   %rbx
  sub    $0x8,%rsp
  call   <_conf_value@plt>
  mov    %rax,%rbx
  xor    %eax,%eax
  test   %rbx,%rbx
  je     L7
  mov    0x0(%rbp),%rdi
  call   <free@plt>
  mov    %rbx,0x0(%rbp)
  mov    $0x1,%eax
L7:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
int _conf_val_str(const char *buf, const char *option, char **oldval) {
  char *value;
  int rc = 0;
  if ((value = _conf_value(buf, option)) != NULL) {
    free(*oldval);
    *oldval = value;
    rc = 1;
  }
  return rc;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<_conf_val_str>:
  endbr64
  push   %rbp
  mov    %rdx,%rbp
  push   %rbx
  sub    $0x8,%rsp
  call   <_conf_value@plt>
  mov    %rax,%rbx
  xor    %eax,%eax
  test   %rbx,%rbx
  je     L4
  mov    0x0(%rbp),%rdi
  call   <free@plt>
  mov    %rbx,0x0(%rbp)
  mov    $0x1,%eax
L4:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
int _conf_val_str(const char *buf, const char *option, char **oldval) {
  char *value;
  int rc = 0;
  if ((value = _conf_value(buf, option)) != NULL) {
    free(*oldval);
    *oldval = value;
    rc = 1;
  }
  return rc;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<fs_writecontents>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  mov    %ecx,-0x2c(%rbp)
  mov    D9(%rip),%rax
  mov    (%rax),%edx
  mov    D24(%rip),%rax
  mov    (%rax),%eax
  or     %eax,%edx
  mov    D20(%rip),%rax
  mov    (%rax),%eax
  mov    %edx,%ecx
  or     %eax,%ecx
  mov    -0x2c(%rbp),%edx
  mov    -0x18(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <open@plt>
  mov    %eax,-0xc(%rbp)
  cmpl   $0xffffffff,-0xc(%rbp)
  jne    L25
  mov    $0x0,%eax
  jmp    L39
L25:
  mov    -0x28(%rbp),%rdx
  mov    -0x20(%rbp),%rcx
  mov    -0xc(%rbp),%eax
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <write@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0xc(%rbp),%eax
  mov    %eax,%edi
  call   <close@plt>
  mov    -0x28(%rbp),%rax
  cmp    -0x8(%rbp),%rax
  je     L9
  mov    $0x0,%eax
  jmp    L39
L9:
  mov    $0x1,%eax
L39:
  leave
  ret
```

assistant: ```c
bool fs_writecontents(const char *fn, const char *cnt, const size_t len, const int mode) {
  int fh;
  size_t bw;
  fh = open(fn, O_CREAT | O_WRONLY | O_TRUNC, mode);
  if (fh == -1) {
    return false;
  }
  bw = write(fh, cnt, len);
  (void)close(fh);
  if (len != bw)
    return false;
  return true;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<fs_writecontents>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rsi,%r12
  mov    %rdx,%rbp
  mov    %ecx,%edx
  mov    D4(%rip),%rax
  mov    (%rax),%esi
  mov    D27(%rip),%rax
  or     (%rax),%esi
  mov    D21(%rip),%rax
  or     (%rax),%esi
  call   <open@plt>
  mov    %eax,%ebx
  mov    $0x0,%eax
  cmp    $0xffffffff,%ebx
  je     L8
  mov    %rbp,%rdx
  mov    %r12,%rsi
  mov    %ebx,%edi
  call   <write@plt>
  mov    %rax,%r12
  mov    %ebx,%edi
  call   <close@plt>
  cmp    %r12,%rbp
  sete   %al
  movzbl %al,%eax
L8:
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
bool fs_writecontents(const char *fn, const char *cnt, const size_t len, const int mode) {
  int fh;
  size_t bw;
  fh = open(fn, O_CREAT | O_WRONLY | O_TRUNC, mode);
  if (fh == -1) {
    return false;
  }
  bw = write(fh, cnt, len);
  (void)close(fh);
  if (len != bw)
    return false;
  return true;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<fs_writecontents>:
  endbr64
  mov    D12(%rip),%rax
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  push   %rbx
  mov    (%rax),%esi
  mov    %rdx,%rbx
  mov    %ecx,%edx
  mov    D29(%rip),%rax
  or     (%rax),%esi
  mov    D5(%rip),%rax
  or     (%rax),%esi
  call   <open@plt>
  mov    %eax,%ebp
  xor    %eax,%eax
  cmp    $0xffffffff,%ebp
  je     L3
  mov    %r12,%rsi
  mov    %rbx,%rdx
  mov    %ebp,%edi
  call   <write@plt>
  mov    %ebp,%edi
  mov    %rax,%r12
  call   <close@plt>
  xor    %eax,%eax
  cmp    %r12,%rbx
  sete   %al
L3:
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
bool fs_writecontents(const char *fn, const char *cnt, const size_t len, const int mode) {
  int fh;
  size_t bw;
  fh = open(fn, O_CREAT | O_WRONLY | O_TRUNC, mode);
  if (fh == -1) {
    return false;
  }
  bw = write(fh, cnt, len);
  (void)close(fh);
  if (len != bw)
    return false;
  return true;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<fs_writecontents>:
  endbr64
  mov    D20(%rip),%rax
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  push   %rbx
  mov    (%rax),%esi
  mov    %rdx,%rbx
  mov    %ecx,%edx
  mov    D29(%rip),%rax
  or     (%rax),%esi
  mov    D23(%rip),%rax
  or     (%rax),%esi
  call   <open@plt>
  mov    %eax,%ebp
  xor    %eax,%eax
  cmp    $0xffffffff,%ebp
  je     L1
  mov    %r12,%rsi
  mov    %rbx,%rdx
  mov    %ebp,%edi
  call   <write@plt>
  mov    %ebp,%edi
  mov    %rax,%r12
  call   <close@plt>
  xor    %eax,%eax
  cmp    %r12,%rbx
  sete   %al
L1:
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
bool fs_writecontents(const char *fn, const char *cnt, const size_t len, const int mode) {
  int fh;
  size_t bw;
  fh = open(fn, O_CREAT | O_WRONLY | O_TRUNC, mode);
  if (fh == -1) {
    return false;
  }
  bw = write(fh, cnt, len);
  (void)close(fh);
  if (len != bw)
    return false;
  return true;
}
```