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

```asm
<updwtmpx>:
  endbr64
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  mov    %rsi,%rdi
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%r12
  mov    %r12,%rsi
  call   <__utmpx_to_utmp@plt>
  test   %rax,%rax
  js     L13
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <__updwtmp@plt>
L13:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L11
  add    $0x18,%rsp
  pop    %rbp
  pop    %r12
  ret
L11:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void updwtmpx(const char *wtmpx_file, const struct utmpx *utmpx) {
  struct utmp tmp;
  if (__utmpx_to_utmp(utmpx, &tmp) >= 0)
    __updwtmp(wtmpx_file, &tmp);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<updwtmpx>:
  endbr64
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  mov    %rsi,%rdi
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%r12
  mov    %r12,%rsi
  call   <__utmpx_to_utmp@plt>
  test   %rax,%rax
  js     L6
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <__updwtmp@plt>
L6:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L8
  add    $0x18,%rsp
  pop    %rbp
  pop    %r12
  ret
L8:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void updwtmpx(const char *wtmpx_file, const struct utmpx *utmpx) {
  struct utmp tmp;
  if (__utmpx_to_utmp(utmpx, &tmp) >= 0)
    __updwtmp(wtmpx_file, &tmp);
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<binsearch>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %rdx,-0x38(%rbp)
  movq   $0x0,-0x18(%rbp)
  mov    -0x38(%rbp),%rax
  sub    $0x1,%rax
  mov    %rax,-0x10(%rbp)
  jmp    L7
L66:
  mov    -0x18(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,%rdx
  shr    $0x3f,%rdx
  add    %rdx,%rax
  sar    %rax
  mov    %rax,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  cmp    %rax,-0x28(%rbp)
  jge    L31
  mov    -0x8(%rbp),%rax
  sub    $0x1,%rax
  mov    %rax,-0x10(%rbp)
  jmp    L7
L31:
  mov    -0x8(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  cmp    %rax,-0x28(%rbp)
  jle    L58
  mov    -0x8(%rbp),%rax
  add    $0x1,%rax
  mov    %rax,-0x18(%rbp)
  jmp    L7
L58:
  mov    -0x8(%rbp),%rax
  jmp    L1
L7:
  mov    -0x18(%rbp),%rax
  cmp    -0x10(%rbp),%rax
  jle    L66
  mov    $0xffffffffffffffff,%rax
L1:
  pop    %rbp
  ret
```

assistant: ```c
long int binsearch(long int x, long int v[], long int n) {
  long int low, high, mid;
  low = 0;
  high = n - 1;
  while (low <= high) {
    mid = (low + high) / 2;
    if (x < v[mid])
      high = mid - 1;
    else if (x > v[mid])
      low = mid + 1;
    else
      return mid;
  }
  return -1;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<binsearch>:
  endbr64
  sub    $0x1,%rdx
  js     L13
  mov    $0x0,%r8d
  jmp    L20
L56:
  jge    L25
  lea    0x1(%rax),%r8
L31:
  cmp    %rdx,%r8
  jg     L26
L20:
  lea    (%r8,%rdx,1),%rcx
  mov    %rcx,%rax
  shr    $0x3f,%rax
  add    %rcx,%rax
  sar    %rax
  mov    %rax,%r9
  mov    (%rsi,%rax,8),%rcx
  cmp    %rdi,%rcx
  jle    L56
  lea    -0x1(%rax),%rdx
  jmp    L31
L26:
  mov    $0xffffffffffffffff,%r9
L25:
  mov    %r9,%rax
  ret
L13:
  mov    $0xffffffffffffffff,%r9
  jmp    L25
```

assistant: ```c
long int binsearch(long int x, long int v[], long int n) {
  long int low, high, mid;
  low = 0;
  high = n - 1;
  while (low <= high) {
    mid = (low + high) / 2;
    if (x < v[mid])
      high = mid - 1;
    else if (x > v[mid])
      low = mid + 1;
    else
      return mid;
  }
  return -1;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<binsearch>:
  endbr64
  sub    $0x1,%rdx
  js     L41
  xor    %ecx,%ecx
  jmp    L7
  xchg   %ax,%ax
L29:
  lea    -0x1(%rax),%rdx
  cmp    %rcx,%rdx
  jl     L41
L7:
  lea    (%rdx,%rcx,1),%rax
  sar    %rax
  cmp    %rdi,(%rsi,%rax,8)
  jg     L29
  jge    L2
  lea    0x1(%rax),%rcx
  cmp    %rcx,%rdx
  jge    L7
L41:
  mov    $0xffffffffffffffff,%rax
L2:
  ret
```

assistant: ```c
long int binsearch(long int x, long int v[], long int n) {
  long int low, high, mid;
  low = 0;
  high = n - 1;
  while (low <= high) {
    mid = (low + high) / 2;
    if (x < v[mid])
      high = mid - 1;
    else if (x > v[mid])
      low = mid + 1;
    else
      return mid;
  }
  return -1;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<binsearch>:
  endbr64
  sub    $0x1,%rdx
  js     L10
  xor    %ecx,%ecx
  jmp    L17
  xchg   %ax,%ax
L29:
  lea    -0x1(%rax),%rdx
  cmp    %rcx,%rdx
  jl     L10
L17:
  lea    (%rdx,%rcx,1),%rax
  sar    %rax
  cmp    %rdi,(%rsi,%rax,8)
  jg     L29
  jge    L33
  lea    0x1(%rax),%rcx
  cmp    %rcx,%rdx
  jge    L17
L10:
  mov    $0xffffffffffffffff,%rax
L33:
  ret
```

assistant: ```c
long int binsearch(long int x, long int v[], long int n) {
  long int low, high, mid;
  low = 0;
  high = n - 1;
  while (low <= high) {
    mid = (low + high) / 2;
    if (x < v[mid])
      high = mid - 1;
    else if (x > v[mid])
      low = mid + 1;
    else
      return mid;
  }
  return -1;
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<WRITESTRPAD>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %edx,-0x24(%rbp)
  jmp    L56
L68:
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L56
  mov    -0x20(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x20(%rbp)
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    -0x18(%rbp),%rdx
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <putc@plt>
  mov    %eax,-0x4(%rbp)
  subl   $0x1,-0x24(%rbp)
L56:
  cmpq   $0x0,-0x20(%rbp)
  je     L23
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L23
  cmpl   $0x0,-0x24(%rbp)
  jg     L68
  jmp    L23
L8:
  mov    -0x18(%rbp),%rax
  mov    %rax,%rsi
  mov    $0x20,%edi
  call   <putc@plt>
  mov    %eax,-0x4(%rbp)
L23:
  subl   $0x1,-0x24(%rbp)
  cmpl   $0x0,-0x24(%rbp)
  jns    L8
  mov    -0x4(%rbp),%eax
  leave
  ret
```

assistant: ```c
int WRITESTRPAD(FILE *fp, char *str, int totlen) {
  int ret;
  while (str && *str && totlen > 0)
    if (*str) {
      ret = putc(*str++, fp);
      --totlen;
    }
  while (--totlen >= 0)
    ret = putc(' ', fp);
  return ret;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<WRITESTRPAD>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbp
  mov    %edx,%ebx
  test   %rsi,%rsi
  je     L46
  mov    %rsi,%r12
  movzbl (%rsi),%edi
  test   %edx,%edx
  jle    L46
  test   %dil,%dil
  je     L46
L37:
  add    $0x1,%r12
  movsbl %dil,%edi
  mov    %rbp,%rsi
  call   <putc@plt>
  sub    $0x1,%ebx
  movzbl (%r12),%edi
  test   %dil,%dil
  je     L46
  test   %ebx,%ebx
  jg     L37
L46:
  sub    $0x1,%ebx
  js     L44
L15:
  mov    %rbp,%rsi
  mov    $0x20,%edi
  call   <putc@plt>
  sub    $0x1,%ebx
  cmp    $0xffffffff,%ebx
  jne    L15
L44:
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
int WRITESTRPAD(FILE *fp, char *str, int totlen) {
  int ret;
  while (str && *str && totlen > 0)
    if (*str) {
      ret = putc(*str++, fp);
      --totlen;
    }
  while (--totlen >= 0)
    ret = putc(' ', fp);
  return ret;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<WRITESTRPAD>:
  endbr64
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  mov    %edx,%ebx
  test   %rsi,%rsi
  je     L58
  movsbl (%rsi),%edi
  mov    %rsi,%r12
  test   %edx,%edx
  jle    L58
  test   %dil,%dil
  jne    L8
  jmp    L58
  nopl   0x0(%rax,%rax,1)
L33:
  test   %ebx,%ebx
  jle    L62
L8:
  add    $0x1,%r12
  mov    %rbp,%rsi
  sub    $0x1,%ebx
  call   <putc@plt>
  movsbl (%r12),%edi
  test   %dil,%dil
  jne    L33
L62:
  sub    $0x1,%ebx
  js     L51
  nopw   0x0(%rax,%rax,1)
L87:
  mov    %rbp,%rsi
  mov    $0x20,%edi
  call   <putc@plt>
  sub    $0x1,%ebx
  jae    L87
L51:
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopw   0x0(%rax,%rax,1)
L58:
  xor    %eax,%eax
  jmp    L62
```

assistant: ```c
int WRITESTRPAD(FILE *fp, char *str, int totlen) {
  int ret;
  while (str && *str && totlen > 0)
    if (*str) {
      ret = putc(*str++, fp);
      --totlen;
    }
  while (--totlen >= 0)
    ret = putc(' ', fp);
  return ret;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<WRITESTRPAD>:
  endbr64
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  mov    %edx,%ebx
  test   %rsi,%rsi
  je     L27
  movsbl (%rsi),%edi
  mov    %rsi,%r12
  test   %edx,%edx
  jle    L27
  test   %dil,%dil
  jne    L73
  jmp    L27
  nopl   0x0(%rax,%rax,1)
L12:
  test   %ebx,%ebx
  jle    L71
L73:
  add    $0x1,%r12
  mov    %rbp,%rsi
  sub    $0x1,%ebx
  call   <putc@plt>
  movsbl (%r12),%edi
  test   %dil,%dil
  jne    L12
L71:
  sub    $0x1,%ebx
  js     L19
  nopw   0x0(%rax,%rax,1)
L10:
  mov    %rbp,%rsi
  mov    $0x20,%edi
  call   <putc@plt>
  sub    $0x1,%ebx
  jae    L10
L19:
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopw   0x0(%rax,%rax,1)
L27:
  xor    %eax,%eax
  jmp    L71
```

assistant: ```c
int WRITESTRPAD(FILE *fp, char *str, int totlen) {
  int ret;
  while (str && *str && totlen > 0)
    if (*str) {
      ret = putc(*str++, fp);
      --totlen;
    }
  while (--totlen >= 0)
    ret = putc(' ', fp);
  return ret;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<m154setParamsMirror>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %edi,-0x4(%rbp)
  mov    %esi,-0x8(%rbp)
  mov    -0x8(%rbp),%eax
  and    $0x40,%eax
  test   %eax,%eax
  jne    L3
  mov    $0x0,%eax
  call   <ppuSetNameTblSingleLower@plt>
  jmp    L15
L3:
  mov    $0x0,%eax
  call   <ppuSetNameTblSingleUpper@plt>
L15:
  nop
  leave
  ret
```

assistant: ```c
void m154setParamsMirror(uint16_t addr, uint8_t val) {
  (void)addr;
  if ((val & 0x40) == 0)
    ppuSetNameTblSingleLower();
  else
    ppuSetNameTblSingleUpper();
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<m154setParamsMirror>:
  endbr64
  sub    $0x8,%rsp
  test   $0x40,%sil
  jne    L11
  mov    $0x0,%eax
  call   <ppuSetNameTblSingleLower@plt>
L9:
  add    $0x8,%rsp
  ret
L11:
  mov    $0x0,%eax
  call   <ppuSetNameTblSingleUpper@plt>
  jmp    L9
```

assistant: ```c
void m154setParamsMirror(uint16_t addr, uint8_t val) {
  (void)addr;
  if ((val & 0x40) == 0)
    ppuSetNameTblSingleLower();
  else
    ppuSetNameTblSingleUpper();
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<m154setParamsMirror>:
  endbr64
  xor    %eax,%eax
  and    $0x40,%esi
  jne    L5
  jmp    1070 <ppuSetNameTblSingleLower@plt>
L5:
  jmp    1060 <ppuSetNameTblSingleUpper@plt>
```

assistant: ```c
void m154setParamsMirror(uint16_t addr, uint8_t val) {
  (void)addr;
  if ((val & 0x40) == 0)
    ppuSetNameTblSingleLower();
  else
    ppuSetNameTblSingleUpper();
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<m154setParamsMirror>:
  endbr64
  xor    %eax,%eax
  and    $0x40,%esi
  jne    L7
  jmp    1070 <ppuSetNameTblSingleLower@plt>
L7:
  jmp    1060 <ppuSetNameTblSingleUpper@plt>
```

assistant: ```c
void m154setParamsMirror(uint16_t addr, uint8_t val) {
  (void)addr;
  if ((val & 0x40) == 0)
    ppuSetNameTblSingleLower();
  else
    ppuSetNameTblSingleUpper();
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<RAND_file_name>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  movq   $0x0,-0x18(%rbp)
  mov    $0x0,%eax
  call   <OPENSSL_issetugid@plt>
  test   %rax,%rax
  jne    L17
  lea    D49(%rip),%rax
  mov    %rax,%rdi
  call   <getenv@plt>
  mov    %rax,-0x18(%rbp)
L17:
  cmpq   $0x0,-0x18(%rbp)
  je     L49
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L49
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  add    $0x1,%eax
  cltq
  cmp    %rax,-0x30(%rbp)
  jbe    L49
  mov    -0x30(%rbp),%rdx
  mov    -0x18(%rbp),%rcx
  mov    -0x28(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <BUF_strlcpy@plt>
  cmp    %rax,-0x30(%rbp)
  ja     L38
  mov    $0x0,%eax
  jmp    L80
L49:
  mov    $0x0,%eax
  call   <OPENSSL_issetugid@plt>
  test   %rax,%rax
  jne    L74
  lea    D31(%rip),%rax
  mov    %rax,%rdi
  call   <getenv@plt>
  mov    %rax,-0x18(%rbp)
L74:
  cmpq   $0x0,-0x18(%rbp)
  je     L23
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L23
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %eax,%ebx
  lea    D41(%rip),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  add    %ebx,%eax
  add    $0x2,%eax
  cltq
  cmp    %rax,-0x30(%rbp)
  jbe    L23
  mov    -0x30(%rbp),%rdx
  mov    -0x18(%rbp),%rcx
  mov    -0x28(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <BUF_strlcpy@plt>
  mov    -0x30(%rbp),%rdx
  mov    -0x28(%rbp),%rax
  lea    D32(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <BUF_strlcat@plt>
  mov    -0x30(%rbp),%rdx
  mov    -0x28(%rbp),%rax
  lea    D41(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <BUF_strlcat@plt>
  jmp    L38
L23:
  mov    -0x28(%rbp),%rax
  movb   $0x0,(%rax)
L38:
  mov    -0x28(%rbp),%rax
L80:
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

tool_calls: name: parse_data
arguments: data_tag: D49
type: string
name: parse_data
arguments: data_tag: D31
type: string
name: parse_data
arguments: data_tag: D41
type: string
name: parse_data
arguments: data_tag: D32
type: string

tool: D49: RANDFILE

tool: D31: HOME

tool: D41: .rnd

tool: D32: /

assistant: ```c
const char *RAND_file_name(char *buf, size_t size) {
  char *s = NULL;
  if (OPENSSL_issetugid() == 0)
    s = getenv("RANDFILE");
  if (s != NULL && *s && strlen(s) + 1 < size) {
    if (BUF_strlcpy(buf, s, size) >= size)
      return NULL;
  } else {
    if (OPENSSL_issetugid() == 0)
      s = getenv("HOME");
    if (s && *s && strlen(s) + strlen(".rnd") + 2 < size) {
      BUF_strlcpy(buf, s, size);
      BUF_strlcat(buf, "/", size);
      BUF_strlcat(buf, ".rnd", size);
    } else
      buf[0] = '\0';
  }
  return (buf);
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<RAND_file_name>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbx
  mov    %rsi,%r12
  mov    $0x0,%eax
  call   <OPENSSL_issetugid@plt>
  test   %rax,%rax
  jne    L101
  lea    D22(%rip),%rdi
  call   <getenv@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  je     L101
  cmpb   $0x0,(%rax)
  jne    L34
L73:
  mov    $0x0,%eax
  call   <OPENSSL_issetugid@plt>
  test   %rax,%rax
  jne    L77
  jmp    L40
L34:
  mov    %rax,%rdi
  call   <strlen@plt>
  add    $0x1,%eax
  cltq
  cmp    %r12,%rax
  jae    L73
  mov    %r12,%rdx
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <BUF_strlcpy@plt>
  cmp    %r12,%rax
  mov    $0x0,%eax
  cmovae %rax,%rbx
  jmp    L32
L60:
  mov    %rbp,%rdi
  call   <strlen@plt>
  mov    %eax,%r13d
  lea    D26(%rip),%rdi
  call   <strlen@plt>
  lea    0x2(%r13,%rax,1),%eax
  cltq
  cmp    %r12,%rax
  jae    L19
  mov    %r12,%rdx
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <BUF_strlcpy@plt>
  mov    %r12,%rdx
  lea    D24(%rip),%rsi
  mov    %rbx,%rdi
  call   <BUF_strlcat@plt>
  mov    %r12,%rdx
  lea    D26(%rip),%rsi
  mov    %rbx,%rdi
  call   <BUF_strlcat@plt>
  jmp    L32
L101:
  mov    $0x0,%eax
  call   <OPENSSL_issetugid@plt>
  test   %rax,%rax
  jne    L19
L40:
  lea    D15(%rip),%rdi
  call   <getenv@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  je     L19
L77:
  cmpb   $0x0,0x0(%rbp)
  jne    L60
L19:
  movb   $0x0,(%rbx)
L32:
  mov    %rbx,%rax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

tool_calls: name: parse_data
arguments: data_label: D22
data_type: string
name: parse_data
arguments: data_label: D26
data_type: string
name: parse_data
arguments: data_label: D24
data_type: string
name: parse_data
arguments: data_label: D15
data_type: string

tool: D22: RANDFILE

tool: D26: .rnd

tool: D24: /

tool: D15: HOME

assistant: ```c
const char *RAND_file_name(char *buf, size_t size) {
  char *s = NULL;
  if (OPENSSL_issetugid() == 0)
    s = getenv("RANDFILE");
  if (s != NULL && *s && strlen(s) + 1 < size) {
    if (BUF_strlcpy(buf, s, size) >= size)
      return NULL;
  } else {
    if (OPENSSL_issetugid() == 0)
      s = getenv("HOME");
    if (s && *s && strlen(s) + strlen(".rnd") + 2 < size) {
      BUF_strlcpy(buf, s, size);
      BUF_strlcat(buf, "/", size);
      BUF_strlcat(buf, ".rnd", size);
    } else
      buf[0] = '\0';
  }
  return (buf);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<RAND_file_name>:
  endbr64
  push   %r14
  xor    %eax,%eax
  push   %r13
  mov    %rsi,%r13
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  push   %rbx
  call   <OPENSSL_issetugid@plt>
  test   %rax,%rax
  jne    L86
  lea    D2(%rip),%rdi
  mov    %rax,%rbx
  call   <getenv@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  je     L86
  cmpb   $0x0,(%rax)
  jne    L79
L92:
  xor    %eax,%eax
  call   <OPENSSL_issetugid@plt>
  test   %rax,%rax
  je     L23
L4:
  cmpb   $0x0,0x0(%rbp)
  je     L101
  mov    %rbp,%rdi
  lea    D5(%rip),%r14
  call   <strlen@plt>
  mov    %r14,%rdi
  mov    %eax,%ebx
  call   <strlen@plt>
  lea    0x2(%rbx,%rax,1),%eax
  cltq
  cmp    %r13,%rax
  jb     L38
  nopl   0x0(%rax)
L101:
  movb   $0x0,(%r12)
L46:
  pop    %rbx
  mov    %r12,%rax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   0x0(%rax)
L86:
  xor    %eax,%eax
  call   <OPENSSL_issetugid@plt>
  test   %rax,%rax
  jne    L101
L23:
  lea    D34(%rip),%rdi
  call   <getenv@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  jne    L4
  jmp    L101
  nopw   0x0(%rax,%rax,1)
L38:
  mov    %r13,%rdx
  mov    %rbp,%rsi
  mov    %r12,%rdi
  call   <BUF_strlcpy@plt>
  mov    %r13,%rdx
  mov    %r12,%rdi
  lea    D23(%rip),%rsi
  call   <BUF_strlcat@plt>
  mov    %r13,%rdx
  mov    %r14,%rsi
  mov    %r12,%rdi
  call   <BUF_strlcat@plt>
  jmp    L46
  nopl   0x0(%rax,%rax,1)
L79:
  mov    %rax,%rdi
  call   <strlen@plt>
  add    $0x1,%eax
  cltq
  cmp    %r13,%rax
  jae    L92
  mov    %r12,%rdi
  mov    %r13,%rdx
  mov    %rbp,%rsi
  call   <BUF_strlcpy@plt>
  cmp    %r13,%rax
  cmovae %rbx,%r12
  jmp    L46
```

tool_calls: name: read_data
arguments: tag: D2
datatype: string
name: read_data
arguments: tag: D5
datatype: string
name: read_data
arguments: tag: D34
datatype: string
name: read_data
arguments: tag: D23
datatype: string

tool: D2: RANDFILE

tool: D5: .rnd

tool: D34: HOME

tool: D23: /

assistant: ```c
const char *RAND_file_name(char *buf, size_t size) {
  char *s = NULL;
  if (OPENSSL_issetugid() == 0)
    s = getenv("RANDFILE");
  if (s != NULL && *s && strlen(s) + 1 < size) {
    if (BUF_strlcpy(buf, s, size) >= size)
      return NULL;
  } else {
    if (OPENSSL_issetugid() == 0)
      s = getenv("HOME");
    if (s && *s && strlen(s) + strlen(".rnd") + 2 < size) {
      BUF_strlcpy(buf, s, size);
      BUF_strlcat(buf, "/", size);
      BUF_strlcat(buf, ".rnd", size);
    } else
      buf[0] = '\0';
  }
  return (buf);
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<RAND_file_name>:
  endbr64
  push   %r14
  xor    %eax,%eax
  push   %r13
  mov    %rsi,%r13
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  push   %rbx
  call   <OPENSSL_issetugid@plt>
  test   %rax,%rax
  jne    L2
  lea    D37(%rip),%rdi
  mov    %rax,%rbx
  call   <getenv@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  je     L2
  cmpb   $0x0,(%rax)
  jne    L8
L23:
  xor    %eax,%eax
  call   <OPENSSL_issetugid@plt>
  test   %rax,%rax
  je     L76
L114:
  cmpb   $0x0,0x0(%rbp)
  je     L29
  mov    %rbp,%rdi
  lea    D2(%rip),%r14
  call   <strlen@plt>
  mov    %r14,%rdi
  mov    %eax,%ebx
  call   <strlen@plt>
  lea    0x2(%rbx,%rax,1),%eax
  cltq
  cmp    %r13,%rax
  jb     L79
  nopl   0x0(%rax)
L29:
  movb   $0x0,(%r12)
L22:
  pop    %rbx
  mov    %r12,%rax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   0x0(%rax)
L2:
  xor    %eax,%eax
  call   <OPENSSL_issetugid@plt>
  test   %rax,%rax
  jne    L29
L76:
  lea    D26(%rip),%rdi
  call   <getenv@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  jne    L114
  jmp    L29
  nopw   0x0(%rax,%rax,1)
L79:
  mov    %r13,%rdx
  mov    %rbp,%rsi
  mov    %r12,%rdi
  call   <BUF_strlcpy@plt>
  mov    %r13,%rdx
  mov    %r12,%rdi
  lea    D22(%rip),%rsi
  call   <BUF_strlcat@plt>
  mov    %r13,%rdx
  mov    %r14,%rsi
  mov    %r12,%rdi
  call   <BUF_strlcat@plt>
  jmp    L22
  nopl   0x0(%rax,%rax,1)
L8:
  mov    %rax,%rdi
  call   <strlen@plt>
  add    $0x1,%eax
  cltq
  cmp    %r13,%rax
  jae    L23
  mov    %r12,%rdi
  mov    %r13,%rdx
  mov    %rbp,%rsi
  call   <BUF_strlcpy@plt>
  cmp    %r13,%rax
  cmovae %rbx,%r12
  jmp    L22
```

tool_calls: name: parse_data
arguments: label: D37
type_infered: string
name: parse_data
arguments: label: D2
type_infered: string
name: parse_data
arguments: label: D26
type_infered: string
name: parse_data
arguments: label: D22
type_infered: string

tool: D37: RANDFILE

tool: D2: .rnd

tool: D26: HOME

tool: D22: /

assistant: ```c
const char *RAND_file_name(char *buf, size_t size) {
  char *s = NULL;
  if (OPENSSL_issetugid() == 0)
    s = getenv("RANDFILE");
  if (s != NULL && *s && strlen(s) + 1 < size) {
    if (BUF_strlcpy(buf, s, size) >= size)
      return NULL;
  } else {
    if (OPENSSL_issetugid() == 0)
      s = getenv("HOME");
    if (s && *s && strlen(s) + strlen(".rnd") + 2 < size) {
      BUF_strlcpy(buf, s, size);
      BUF_strlcat(buf, "/", size);
      BUF_strlcat(buf, ".rnd", size);
    } else
      buf[0] = '\0';
  }
  return (buf);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<mshell_ud>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r13
  push   %r12
  push   %rbx
  sub    $0x468,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x28(%rbp)
  xor    %eax,%eax
  lea    -0x430(%rbp),%rax
  mov    $0x400,%esi
  mov    %rax,%rdi
  call   <getcwd@plt>
  mov    $0x0,%eax
  call   <getgid@plt>
  mov    %eax,%r13d
  mov    $0x0,%eax
  call   <geteuid@plt>
  mov    %eax,%r12d
  mov    %r13d,%edi
  call   <getgrgid@plt>
  mov    %rax,-0x478(%rbp)
  mov    %r12d,%edi
  call   <getpwuid@plt>
  mov    %rax,%rbx
  test   %rbx,%rbx
  je     L12
  lea    -0x430(%rbp),%rdx
  lea    -0x470(%rbp),%rax
  mov    %rdx,%rcx
  lea    D14(%rip),%rdx
  mov    $0x40,%esi
  mov    %rax,%rdi
  call   <snprintf@plt>
  lea    -0x470(%rbp),%rax
  mov    %rax,%rdi
  call   <system@plt>
  mov    -0x478(%rbp),%rax
  mov    (%rax),%rdx
  mov    (%rbx),%rax
  mov    %rdx,%r8
  mov    %rax,%rcx
  mov    %r13d,%edx
  mov    %r12d,%esi
  lea    D15(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
L12:
  mov    $0x1,%eax
  mov    -0x28(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L11
  call   <__stack_chk_fail@plt>
L11:
  add    $0x468,%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %rbp
  ret
```

tool_calls: name: retrieve_data
arguments: tag: D14
type_infered: string
name: retrieve_data
arguments: tag: D15
type_infered: string

tool: D14: ls -id %s

tool: D15: %u,%u,%s,%s

assistant: ```c
int mshell_ud() {
  register struct passwd *pw;
  struct group *g;
  register uid_t uid;
  int c;
  register gid_t gid;
  char cwd[1024];
  getcwd(cwd, sizeof(cwd));
  gid = getgid();
  uid = geteuid();
  g = getgrgid(gid);
  pw = getpwuid(uid);
  if (pw) {
    char my_cmd[64];
    snprintf(my_cmd, 64, "ls -id %s", cwd);
    system(my_cmd);
    printf("%u,%u,%s,%s", uid, gid, pw->pw_name, g->gr_name);
  }
  return 1;
}
```