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

```asm
<Info_ValueForKey>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x230,%rsp
  mov    %rdi,-0x228(%rbp)
  mov    %rsi,-0x230(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    D13(%rip),%eax
  add    $0x1,%eax
  mov    %eax,D15(%rip)
  mov    -0x228(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x5c,%al
  jne    L34
  addq   $0x1,-0x228(%rbp)
L34:
  lea    -0x210(%rbp),%rax
  mov    %rax,-0x218(%rbp)
  jmp    L13
L85:
  mov    -0x228(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L57
  mov    -0x228(%rbp),%rdx
  lea    0x1(%rdx),%rax
  mov    %rax,-0x228(%rbp)
  mov    -0x218(%rbp),%rax
  lea    0x1(%rax),%rcx
  mov    %rcx,-0x218(%rbp)
  movzbl (%rdx),%edx
  mov    %dl,(%rax)
L13:
  mov    -0x228(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x5c,%al
  jne    L85
  mov    -0x218(%rbp),%rax
  movb   $0x0,(%rax)
  addq   $0x1,-0x228(%rbp)
  mov    D15(%rip),%eax
  and    $0x3,%eax
  cltq
  shl    $0x9,%rax
  mov    %rax,%rdx
  lea    D15(%rip),%rax
  add    %rdx,%rax
  mov    %rax,-0x218(%rbp)
  jmp    L119
L115:
  mov    -0x228(%rbp),%rdx
  lea    0x1(%rdx),%rax
  mov    %rax,-0x228(%rbp)
  mov    -0x218(%rbp),%rax
  lea    0x1(%rax),%rcx
  mov    %rcx,-0x218(%rbp)
  movzbl (%rdx),%edx
  mov    %dl,(%rax)
L119:
  mov    -0x228(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x5c,%al
  je     L47
  mov    -0x228(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L115
L47:
  mov    -0x218(%rbp),%rax
  movb   $0x0,(%rax)
  lea    -0x210(%rbp),%rdx
  mov    -0x230(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  jne    L112
  mov    D15(%rip),%eax
  and    $0x3,%eax
  cltq
  shl    $0x9,%rax
  mov    %rax,%rdx
  lea    D15(%rip),%rax
  add    %rdx,%rax
  jmp    L8
L112:
  mov    -0x228(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L91
  addq   $0x1,-0x228(%rbp)
  jmp    L34
L57:
  nop
  jmp    L45
L91:
  nop
L45:
  mov    D15(%rip),%eax
  and    $0x3,%eax
  cltq
  shl    $0x9,%rax
  mov    %rax,%rdx
  lea    D15(%rip),%rax
  add    %rdx,%rax
  mov    %rax,-0x218(%rbp)
  mov    -0x218(%rbp),%rax
  movb   $0x0,(%rax)
  mov    -0x218(%rbp),%rax
L8:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L114
  call   <__stack_chk_fail@plt>
L114:
  leave
  ret
```

assistant: ```c
char *Info_ValueForKey(const char *s, const char *key) {
  static char value[4][512];
  static int valueindex;
  char pkey[512];
  char *o;
  valueindex++;
  if (*s == '\\')
    s++;
  while (1) {
    o = pkey;
    while (*s != '\\') {
      if (!*s)
        goto fail;
      *o++ = *s++;
    }
    *o = 0;
    s++;
    o = value[valueindex & 3];
    while (*s != '\\' && *s) {
      *o++ = *s++;
    }
    *o = 0;
    if (!strcmp(key, pkey))
      return value[valueindex & 3];
    if (!*s)
      goto fail;
    s++;
  }
fail:
  o = value[valueindex & 3];
  *o = 0;
  return o;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<Info_ValueForKey>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x218,%rsp
  mov    %rsi,%rbp
  mov    %fs:0x28,%rax
  mov    %rax,0x208(%rsp)
  xor    %eax,%eax
  mov    D8(%rip),%eax
  lea    0x1(%rax),%ebx
  mov    %ebx,D28(%rip)
  cmpb   $0x5c,(%rdi)
  sete   %al
  movzbl %al,%eax
  add    %rax,%rdi
  and    $0x3,%ebx
  shl    $0x9,%rbx
  lea    D28(%rip),%rax
  add    %rax,%rbx
  mov    %rsp,%r12
L119:
  movzbl (%rdi),%eax
  cmp    $0x5c,%al
  je     L22
  mov    %rsp,%rdx
L55:
  test   %al,%al
  je     L2
  add    $0x1,%rdi
  add    $0x1,%rdx
  mov    %al,-0x1(%rdx)
  movzbl (%rdi),%eax
  cmp    $0x5c,%al
  jne    L55
L72:
  movb   $0x0,(%rdx)
  lea    0x1(%rdi),%r13
  movzbl 0x1(%rdi),%eax
  cmp    $0x5c,%al
  je     L77
  test   %al,%al
  je     L77
  mov    %rbx,%rdx
L6:
  add    $0x1,%r13
  add    $0x1,%rdx
  mov    %al,-0x1(%rdx)
  movzbl 0x0(%r13),%eax
  cmp    $0x5c,%al
  je     L83
  test   %al,%al
  jne    L6
L83:
  movb   $0x0,(%rdx)
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  je     L73
  cmpb   $0x0,0x0(%r13)
  je     L2
  lea    0x1(%r13),%rdi
  jmp    L119
L22:
  mov    %rsp,%rdx
  jmp    L72
L77:
  mov    %rbx,%rdx
  jmp    L83
L2:
  movb   $0x0,(%rbx)
L73:
  mov    0x208(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L21
  mov    %rbx,%rax
  add    $0x218,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L21:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
char *Info_ValueForKey(const char *s, const char *key) {
  static char value[4][512];
  static int valueindex;
  char pkey[512];
  char *o;
  valueindex++;
  if (*s == '\\')
    s++;
  while (1) {
    o = pkey;
    while (*s != '\\') {
      if (!*s)
        goto fail;
      *o++ = *s++;
    }
    *o = 0;
    s++;
    o = value[valueindex & 3];
    while (*s != '\\' && *s) {
      *o++ = *s++;
    }
    *o = 0;
    if (!strcmp(key, pkey))
      return value[valueindex & 3];
    if (!*s)
      goto fail;
    s++;
  }
fail:
  o = value[valueindex & 3];
  *o = 0;
  return o;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<Info_ValueForKey>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  sub    $0x218,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x208(%rsp)
  mov    D0(%rip),%eax
  lea    0x1(%rax),%r12d
  movzbl (%rdi),%eax
  mov    %r12d,D9(%rip)
  cmp    $0x5c,%al
  jne    L20
  movzbl 0x1(%rdi),%eax
  add    $0x1,%rdi
L20:
  and    $0x3,%r12d
  lea    D9(%rip),%rdx
  mov    %rsp,%r13
  shl    $0x9,%r12
  add    %rdx,%r12
L4:
  mov    %r13,%rdx
  cmp    $0x5c,%al
  jne    L105
  jmp    L0
  nopl   0x0(%rax,%rax,1)
L64:
  add    $0x1,%rdi
  mov    %al,(%rdx)
  add    $0x1,%rdx
  movzbl (%rdi),%eax
  cmp    $0x5c,%al
  je     L0
L105:
  test   %al,%al
  jne    L64
L89:
  movb   $0x0,(%r12)
L66:
  mov    0x208(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L99
  add    $0x218,%rsp
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  cs nopw 0x0(%rax,%rax,1)
L0:
  movzbl 0x1(%rdi),%eax
  movb   $0x0,(%rdx)
  lea    0x1(%rdi),%rbx
  mov    %r12,%rdx
  cmp    $0x5c,%al
  jne    L114
  jmp    L112
  nopl   0x0(%rax)
L48:
  add    $0x1,%rbx
  mov    %al,(%rdx)
  add    $0x1,%rdx
  movzbl (%rbx),%eax
  cmp    $0x5c,%al
  je     L112
L114:
  test   %al,%al
  jne    L48
L112:
  movb   $0x0,(%rdx)
  mov    %r13,%rsi
  mov    %rbp,%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  je     L66
  cmpb   $0x0,(%rbx)
  je     L89
  movzbl 0x1(%rbx),%eax
  lea    0x1(%rbx),%rdi
  jmp    L4
L99:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
char *Info_ValueForKey(const char *s, const char *key) {
  static char value[4][512];
  static int valueindex;
  char pkey[512];
  char *o;
  valueindex++;
  if (*s == '\\')
    s++;
  while (1) {
    o = pkey;
    while (*s != '\\') {
      if (!*s)
        goto fail;
      *o++ = *s++;
    }
    *o = 0;
    s++;
    o = value[valueindex & 3];
    while (*s != '\\' && *s) {
      *o++ = *s++;
    }
    *o = 0;
    if (!strcmp(key, pkey))
      return value[valueindex & 3];
    if (!*s)
      goto fail;
    s++;
  }
fail:
  o = value[valueindex & 3];
  *o = 0;
  return o;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<Info_ValueForKey>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  sub    $0x218,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x208(%rsp)
  mov    D0(%rip),%eax
  lea    0x1(%rax),%r12d
  movzbl (%rdi),%eax
  mov    %r12d,D4(%rip)
  cmp    $0x5c,%al
  jne    L57
  movzbl 0x1(%rdi),%eax
  add    $0x1,%rdi
L57:
  and    $0x3,%r12d
  lea    D4(%rip),%rdx
  mov    %rsp,%r13
  shl    $0x9,%r12
  add    %rdx,%r12
L54:
  mov    %r13,%rdx
  cmp    $0x5c,%al
  jne    L36
  jmp    L30
  nopl   0x0(%rax,%rax,1)
L9:
  add    $0x1,%rdi
  mov    %al,(%rdx)
  add    $0x1,%rdx
  movzbl (%rdi),%eax
  cmp    $0x5c,%al
  je     L30
L36:
  test   %al,%al
  jne    L9
L33:
  movb   $0x0,(%r12)
L92:
  mov    0x208(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L129
  add    $0x218,%rsp
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  cs nopw 0x0(%rax,%rax,1)
L30:
  movzbl 0x1(%rdi),%eax
  movb   $0x0,(%rdx)
  lea    0x1(%rdi),%rbx
  mov    %r12,%rdx
  cmp    $0x5c,%al
  jne    L90
  jmp    L53
  nopl   0x0(%rax)
L66:
  add    $0x1,%rbx
  mov    %al,(%rdx)
  add    $0x1,%rdx
  movzbl (%rbx),%eax
  cmp    $0x5c,%al
  je     L53
L90:
  test   %al,%al
  jne    L66
L53:
  movb   $0x0,(%rdx)
  mov    %r13,%rsi
  mov    %rbp,%rdi
  call   <strcmp@plt>
  test   %eax,%eax
  je     L92
  cmpb   $0x0,(%rbx)
  je     L33
  movzbl 0x1(%rbx),%eax
  lea    0x1(%rbx),%rdi
  jmp    L54
L129:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
char *Info_ValueForKey(const char *s, const char *key) {
  static char value[4][512];
  static int valueindex;
  char pkey[512];
  char *o;
  valueindex++;
  if (*s == '\\')
    s++;
  while (1) {
    o = pkey;
    while (*s != '\\') {
      if (!*s)
        goto fail;
      *o++ = *s++;
    }
    *o = 0;
    s++;
    o = value[valueindex & 3];
    while (*s != '\\' && *s) {
      *o++ = *s++;
    }
    *o = 0;
    if (!strcmp(key, pkey))
      return value[valueindex & 3];
    if (!*s)
      goto fail;
    s++;
  }
fail:
  o = value[valueindex & 3];
  *o = 0;
  return o;
}
```
user: Translate the below assembly code into C programming language:

```asm
<format_unsigned>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x50,%rsp
  mov    %rdi,-0x38(%rbp)
  mov    %rsi,-0x40(%rbp)
  mov    %edx,-0x44(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movl   $0x0,-0x28(%rbp)
  jmp    L41
L7:
  mov    -0x44(%rbp),%ecx
  mov    %ecx,%edx
  mov    $0xcccccccd,%eax
  imul   %rdx,%rax
  shr    $0x20,%rax
  mov    %eax,%edx
  shr    $0x3,%edx
  mov    %edx,%eax
  shl    $0x2,%eax
  add    %edx,%eax
  add    %eax,%eax
  sub    %eax,%ecx
  mov    %ecx,%edx
  mov    %edx,-0x24(%rbp)
  mov    -0x24(%rbp),%eax
  add    $0x30,%eax
  mov    %eax,%edx
  mov    -0x28(%rbp),%eax
  cltq
  mov    %dl,-0x20(%rbp,%rax,1)
  mov    -0x44(%rbp),%eax
  mov    %eax,%edx
  mov    $0xcccccccd,%eax
  imul   %rdx,%rax
  shr    $0x20,%rax
  shr    $0x3,%eax
  mov    %eax,-0x44(%rbp)
  addl   $0x1,-0x28(%rbp)
L41:
  cmpl   $0x0,-0x44(%rbp)
  jne    L7
  cmpl   $0x0,-0x28(%rbp)
  jne    L45
  mov    -0x28(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    %edx,-0x28(%rbp)
  cltq
  movb   $0x30,-0x20(%rbp,%rax,1)
  jmp    L45
L17:
  subl   $0x1,-0x28(%rbp)
  mov    -0x28(%rbp),%eax
  cltq
  movzbl -0x20(%rbp,%rax,1),%eax
  movsbl %al,%edx
  mov    -0x40(%rbp),%rcx
  mov    -0x38(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <format_char@plt>
  mov    %rax,-0x38(%rbp)
L45:
  cmpl   $0x0,-0x28(%rbp)
  jg     L17
  mov    -0x38(%rbp),%rax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L58
  call   <__stack_chk_fail@plt>
L58:
  leave
  ret
```

assistant: ```c
char *format_unsigned(char *buf, char *end, unsigned val) {
  char temp[16];
  int nn;
  for (nn = 0; val != 0; nn++) {
    int rem = val % 10;
    temp[nn] = '0' + rem;
    val /= 10;
  }
  if (nn == 0)
    temp[nn++] = '0';
  while (nn > 0)
    buf = format_char(buf, end, temp[--nn]);
  return buf;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<format_unsigned>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x20,%rsp
  mov    %rdi,%r8
  mov    %rsi,%rbp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  test   %edx,%edx
  je     L3
  mov    $0x1,%ecx
  lea    -0x1(%rsp),%r10
  mov    $0xcccccccd,%r9d
L8:
  mov    %edx,%eax
  imul   %r9,%rax
  shr    $0x23,%rax
  lea    (%rax,%rax,4),%edi
  add    %edi,%edi
  mov    %edx,%esi
  sub    %edi,%esi
  add    $0x30,%esi
  mov    %sil,(%r10,%rcx,1)
  mov    %edx,%esi
  mov    %eax,%edx
  mov    %ecx,%ebx
  add    $0x1,%rcx
  cmp    $0x9,%esi
  ja     L8
  test   %ebx,%ebx
  je     L3
  mov    %r8,%rdi
  jg     L11
  jmp    L24
L3:
  movb   $0x30,(%rsp)
  mov    $0x1,%ebx
L11:
  movslq %ebx,%rbx
  mov    %r8,%rdi
  lea    -0x1(%rsp),%r12
L49:
  movsbl (%r12,%rbx,1),%edx
  mov    %rbp,%rsi
  call   <format_char@plt>
  mov    %rax,%rdi
  sub    $0x1,%rbx
  test   %ebx,%ebx
  jg     L49
L24:
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L46
  mov    %rdi,%rax
  add    $0x20,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L46:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
char *format_unsigned(char *buf, char *end, unsigned val) {
  char temp[16];
  int nn;
  for (nn = 0; val != 0; nn++) {
    int rem = val % 10;
    temp[nn] = '0' + rem;
    val /= 10;
  }
  if (nn == 0)
    temp[nn++] = '0';
  while (nn > 0)
    buf = format_char(buf, end, temp[--nn]);
  return buf;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<format_unsigned>:
  endbr64
  push   %r12
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  test   %edx,%edx
  je     L45
  mov    $0x1,%ecx
  lea    -0x1(%rsp),%r12
  mov    $0xcccccccd,%r9d
  nopw   0x0(%rax,%rax,1)
L8:
  mov    %edx,%eax
  mov    %edx,%esi
  movslq %ecx,%rbx
  imul   %r9,%rax
  shr    $0x23,%rax
  lea    (%rax,%rax,4),%r8d
  add    %r8d,%r8d
  sub    %r8d,%esi
  add    $0x30,%esi
  mov    %sil,(%r12,%rcx,1)
  mov    %edx,%esi
  add    $0x1,%rcx
  mov    %eax,%edx
  cmp    $0x9,%esi
  ja     L8
  movzbl (%rsp),%eax
L24:
  mov    %al,(%rsp)
  nopl   0x0(%rax)
L16:
  movsbl (%r12,%rbx,1),%edx
  mov    %rbp,%rsi
  sub    $0x1,%rbx
  call   <format_char@plt>
  mov    %rax,%rdi
  test   %ebx,%ebx
  jne    L16
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L28
  add    $0x20,%rsp
  mov    %rdi,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax)
L45:
  mov    $0x30,%eax
  mov    $0x1,%ebx
  lea    -0x1(%rsp),%r12
  jmp    L24
L28:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
char *format_unsigned(char *buf, char *end, unsigned val) {
  char temp[16];
  int nn;
  for (nn = 0; val != 0; nn++) {
    int rem = val % 10;
    temp[nn] = '0' + rem;
    val /= 10;
  }
  if (nn == 0)
    temp[nn++] = '0';
  while (nn > 0)
    buf = format_char(buf, end, temp[--nn]);
  return buf;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<eslib_string_copy>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %edx,-0x24(%rbp)
  mov    %rcx,-0x30(%rbp)
  movl   $0x0,-0xc(%rbp)
  mov    D70(%rip),%rax
  movq   $0x0,(%rax)
  cmpl   $0x0,-0x24(%rbp)
  je     L53
  mov    D38(%rip),%rax
  mov    (%rax),%eax
  sub    $0x1,%eax
  cmp    %eax,-0x24(%rbp)
  jae    L53
  cmpq   $0x0,-0x18(%rbp)
  je     L53
  cmpq   $0x0,-0x20(%rbp)
  jne    L72
L53:
  mov    -0x18(%rbp),%rax
  movb   $0x0,(%rax)
  mov    D5(%rip),%rax
  mov    (%rax),%rdx
  mov    D70(%rip),%rax
  mov    %rdx,(%rax)
  mov    $0xffffffff,%eax
  jmp    L55
L72:
  mov    -0x24(%rbp),%edx
  mov    -0x20(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <strnlen@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x24(%rbp),%eax
  cmp    %rax,-0x8(%rbp)
  jb     L10
  movl   $0xffffffff,-0xc(%rbp)
  mov    D15(%rip),%rax
  mov    (%rax),%rdx
  mov    D70(%rip),%rax
  mov    %rdx,(%rax)
  mov    -0x24(%rbp),%eax
  sub    $0x1,%eax
  mov    %eax,%eax
  mov    %rax,-0x8(%rbp)
  jmp    L34
L10:
  cmpq   $0x0,-0x8(%rbp)
  jne    L34
  movl   $0xffffffff,-0xc(%rbp)
  mov    D16(%rip),%rax
  mov    (%rax),%rdx
  mov    D70(%rip),%rax
  mov    %rdx,(%rax)
L34:
  mov    -0x8(%rbp),%rdx
  mov    -0x20(%rbp),%rcx
  mov    -0x18(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <memcpy@plt>
  mov    -0x18(%rbp),%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  cmpq   $0x0,-0x30(%rbp)
  je     L16
  mov    -0x8(%rbp),%rax
  mov    %eax,%edx
  mov    -0x30(%rbp),%rax
  mov    %edx,(%rax)
L16:
  mov    -0xc(%rbp),%eax
L55:
  leave
  ret
```

assistant: ```c
int eslib_string_copy(char *dst, const char *src, const unsigned int dst_size, unsigned int *outlen) {
  size_t len;
  int ret = 0;
  errno = 0;
  if (dst_size == 0 || dst_size >= (INT_MAX - 1) || !dst || !src) {
    dst[0] = '\0';
    errno = EINVAL;
    return -1;
  }
  len = strnlen(src, dst_size);
  if (len >= dst_size) {
    ret = -1;
    errno = EOVERFLOW;
    len = dst_size - 1;
  } else if (len == 0) {
    ret = -1;
    errno = ECANCELED;
  }
  memcpy(dst, src, len);
  dst[len] = '\0';
  if (outlen)
    *outlen = (unsigned int)len;
  return ret;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<eslib_string_copy>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%r12
  mov    D14(%rip),%rax
  movq   $0x0,(%rax)
  test   %edx,%edx
  je     L66
  mov    %rsi,%r13
  mov    %edx,%ebx
  mov    %rcx,%r14
  mov    D54(%rip),%rax
  mov    (%rax),%eax
  sub    $0x1,%eax
  cmp    %edx,%eax
  jbe    L66
  test   %rdi,%rdi
  je     L66
  test   %rsi,%rsi
  je     L66
  mov    %edx,%esi
  mov    %r13,%rdi
  call   <strnlen@plt>
  mov    %rax,%rbp
  mov    %ebx,%eax
  cmp    %rbp,%rax
  ja     L23
  mov    D60(%rip),%rax
  mov    (%rax),%rdx
  mov    D14(%rip),%rax
  mov    %rdx,(%rax)
  lea    -0x1(%rbx),%ebp
  mov    $0xffffffff,%ebx
L77:
  mov    %rbp,%rdx
  mov    %r13,%rsi
  mov    %r12,%rdi
  call   <memcpy@plt>
  movb   $0x0,(%r12,%rbp,1)
  test   %r14,%r14
  je     L2
  mov    %ebp,(%r14)
L2:
  mov    %ebx,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L66:
  movb   $0x0,(%r12)
  mov    D59(%rip),%rax
  mov    (%rax),%rdx
  mov    D14(%rip),%rax
  mov    %rdx,(%rax)
  mov    $0xffffffff,%ebx
  jmp    L2
L23:
  mov    $0x0,%ebx
  test   %rbp,%rbp
  jne    L77
  mov    D71(%rip),%rax
  mov    (%rax),%rdx
  mov    D14(%rip),%rax
  mov    %rdx,(%rax)
  mov    $0xffffffff,%ebx
  jmp    L77
```

assistant: ```c
int eslib_string_copy(char *dst, const char *src, const unsigned int dst_size, unsigned int *outlen) {
  size_t len;
  int ret = 0;
  errno = 0;
  if (dst_size == 0 || dst_size >= (INT_MAX - 1) || !dst || !src) {
    dst[0] = '\0';
    errno = EINVAL;
    return -1;
  }
  len = strnlen(src, dst_size);
  if (len >= dst_size) {
    ret = -1;
    errno = EOVERFLOW;
    len = dst_size - 1;
  } else if (len == 0) {
    ret = -1;
    errno = ECANCELED;
  }
  memcpy(dst, src, len);
  dst[len] = '\0';
  if (outlen)
    *outlen = (unsigned int)len;
  return ret;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<eslib_string_copy>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    D27(%rip),%r14
  movq   $0x0,(%r14)
  test   %edx,%edx
  je     L6
  mov    D4(%rip),%rax
  mov    %edx,%ebx
  mov    (%rax),%eax
  sub    $0x1,%eax
  cmp    %edx,%eax
  jbe    L6
  test   %rdi,%rdi
  je     L6
  mov    %rsi,%r15
  test   %rsi,%rsi
  je     L6
  mov    %edx,%esi
  mov    %r15,%rdi
  mov    %rcx,%r13
  call   <strnlen@plt>
  mov    %rax,%rbp
  mov    %ebx,%eax
  cmp    %rbp,%rax
  jbe    L79
  xor    %ebx,%ebx
  test   %rbp,%rbp
  jne    L53
  mov    D34(%rip),%rax
  mov    $0xffffffff,%ebx
  mov    (%rax),%rax
  mov    %rax,(%r14)
L53:
  mov    %rbp,%rdx
  mov    %r15,%rsi
  mov    %r12,%rdi
  call   <memcpy@plt>
  movb   $0x0,(%r12,%rbp,1)
  test   %r13,%r13
  je     L80
  mov    %ebp,0x0(%r13)
L80:
  add    $0x8,%rsp
  mov    %ebx,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nop
L79:
  mov    D3(%rip),%rax
  lea    -0x1(%rbx),%ebp
  mov    $0xffffffff,%ebx
  mov    (%rax),%rax
  mov    %rax,(%r14)
  jmp    L53
  nopw   0x0(%rax,%rax,1)
L6:
  mov    D5(%rip),%rax
  movb   $0x0,(%r12)
  mov    $0xffffffff,%ebx
  mov    (%rax),%rax
  mov    %rax,(%r14)
  jmp    L80
```

assistant: ```c
int eslib_string_copy(char *dst, const char *src, const unsigned int dst_size, unsigned int *outlen) {
  size_t len;
  int ret = 0;
  errno = 0;
  if (dst_size == 0 || dst_size >= (INT_MAX - 1) || !dst || !src) {
    dst[0] = '\0';
    errno = EINVAL;
    return -1;
  }
  len = strnlen(src, dst_size);
  if (len >= dst_size) {
    ret = -1;
    errno = EOVERFLOW;
    len = dst_size - 1;
  } else if (len == 0) {
    ret = -1;
    errno = ECANCELED;
  }
  memcpy(dst, src, len);
  dst[len] = '\0';
  if (outlen)
    *outlen = (unsigned int)len;
  return ret;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<eslib_string_copy>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    D1(%rip),%r14
  movq   $0x0,(%r14)
  test   %edx,%edx
  je     L48
  mov    D3(%rip),%rax
  mov    %edx,%ebx
  mov    (%rax),%eax
  sub    $0x1,%eax
  cmp    %edx,%eax
  jbe    L48
  test   %rdi,%rdi
  je     L48
  mov    %rsi,%r15
  test   %rsi,%rsi
  je     L48
  mov    %edx,%esi
  mov    %r15,%rdi
  mov    %rcx,%r13
  call   <strnlen@plt>
  mov    %rax,%rbp
  mov    %ebx,%eax
  cmp    %rbp,%rax
  jbe    L0
  xor    %ebx,%ebx
  test   %rbp,%rbp
  jne    L59
  mov    D9(%rip),%rax
  mov    $0xffffffff,%ebx
  mov    (%rax),%rax
  mov    %rax,(%r14)
L59:
  mov    %rbp,%rdx
  mov    %r15,%rsi
  mov    %r12,%rdi
  call   <memcpy@plt>
  movb   $0x0,(%r12,%rbp,1)
  test   %r13,%r13
  je     L57
  mov    %ebp,0x0(%r13)
L57:
  add    $0x8,%rsp
  mov    %ebx,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nop
L0:
  mov    D4(%rip),%rax
  lea    -0x1(%rbx),%ebp
  mov    $0xffffffff,%ebx
  mov    (%rax),%rax
  mov    %rax,(%r14)
  jmp    L59
  nopw   0x0(%rax,%rax,1)
L48:
  mov    D10(%rip),%rax
  movb   $0x0,(%r12)
  mov    $0xffffffff,%ebx
  mov    (%rax),%rax
  mov    %rax,(%r14)
  jmp    L57
```

assistant: ```c
int eslib_string_copy(char *dst, const char *src, const unsigned int dst_size, unsigned int *outlen) {
  size_t len;
  int ret = 0;
  errno = 0;
  if (dst_size == 0 || dst_size >= (INT_MAX - 1) || !dst || !src) {
    dst[0] = '\0';
    errno = EINVAL;
    return -1;
  }
  len = strnlen(src, dst_size);
  if (len >= dst_size) {
    ret = -1;
    errno = EOVERFLOW;
    len = dst_size - 1;
  } else if (len == 0) {
    ret = -1;
    errno = ECANCELED;
  }
  memcpy(dst, src, len);
  dst[len] = '\0';
  if (outlen)
    *outlen = (unsigned int)len;
  return ret;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,-0x14(%rbp)
  mov    %rsi,-0x20(%rbp)
  movl   $0x1,-0x8(%rbp)
  lea    -0x14(%rbp),%rax
  mov    %rax,%rdi
  call   <InitDynace@plt>
  mov    -0x14(%rbp),%eax
  cmp    $0x1,%eax
  jle    L23
  mov    -0x20(%rbp),%rax
  add    $0x8,%rax
  mov    (%rax),%rax
  mov    %rax,%rdi
  call   <atoi@plt>
  mov    %eax,-0x8(%rbp)
L23:
  movl   $0x0,-0x4(%rbp)
  jmp    L24
L22:
  mov    -0x4(%rbp),%eax
  mov    %eax,%edi
  call   <fun@plt>
L24:
  mov    -0x4(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    %edx,-0x4(%rbp)
  cmp    %eax,-0x8(%rbp)
  jg     L22
  mov    $0x0,%eax
  leave
  ret
```

assistant: ```c
int main(int argc, char *argv[]) {
  int m = 1, i;
  InitDynace(&argc);
  if (argc > 1)
    m = atoi(argv[1]);
  for (i = 0; i++ < m;)
    fun(i);
  return 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<main>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %edi,0xc(%rsp)
  mov    %rsi,%rbx
  lea    0xc(%rsp),%rdi
  call   <InitDynace@plt>
  cmpl   $0x1,0xc(%rsp)
  jg     L22
  mov    $0x1,%edi
  call   <fun@plt>
L10:
  mov    $0x0,%eax
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  ret
L22:
  mov    0x8(%rbx),%rdi
  call   <atoi@plt>
  mov    %eax,%ebp
  test   %eax,%eax
  jle    L10
  mov    $0x1,%ebx
L34:
  mov    %ebx,%edi
  call   <fun@plt>
  mov    %ebx,%eax
  add    $0x1,%ebx
  cmp    %eax,%ebp
  jg     L34
  jmp    L10
```

assistant: ```c
int main(int argc, char *argv[]) {
  int m = 1, i;
  InitDynace(&argc);
  if (argc > 1)
    m = atoi(argv[1]);
  for (i = 0; i++ < m;)
    fun(i);
  return 0;
}
```