ylfeng/ReF-Decompile-dataset huggingface dataset:
user: What is the c source code of the assembly code below?

```asm
<encode_GDS_R4>:
  endbr64
  push   %rbx
  sub    $0x10,%rsp
  mov    %rsi,%rbx
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  movq   $0x0,(%rsp)
  mov    %rsp,%rdx
  lea    D48(%rip),%rsi
  call   <sscanf@plt>
  movsd  (%rsp),%xmm1
  pxor   %xmm0,%xmm0
  comisd %xmm1,%xmm0
  ja     L146
  ucomisd D18(%rip),%xmm1
  jp     L137
  mov    $0x40,%eax
  jne    L137
L128:
  mov    %eax,%edx
  mov    %al,(%rbx)
  pxor   %xmm0,%xmm0
  comisd %xmm1,%xmm0
  ja     L102
L47:
  movsd  (%rsp),%xmm0
  lea    0x1(%rbx),%rdx
  add    $0x4,%rbx
  movsd  D20(%rip),%xmm2
L122:
  mulsd  %xmm2,%xmm0
  cvttsd2si %xmm0,%eax
  mov    %al,(%rdx)
  movzbl %al,%eax
  pxor   %xmm1,%xmm1
  cvtsi2sd %eax,%xmm1
  subsd  %xmm1,%xmm0
  add    $0x1,%rdx
  cmp    %rdx,%rbx
  jne    L122
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L135
  mov    $0x4,%eax
  add    $0x10,%rsp
  pop    %rbx
  ret
L146:
  movapd %xmm1,%xmm0
  xorpd  D23(%rip),%xmm0
  movsd  %xmm0,(%rsp)
  ucomisd D18(%rip),%xmm1
  jp     L133
  mov    $0x40,%edx
  jne    L133
L102:
  or     $0xffffff80,%edx
  mov    %dl,(%rbx)
  jmp    L47
L137:
  movapd %xmm1,%xmm0
L133:
  mov    $0x40,%eax
  comisd D99(%rip),%xmm0
  jb     L63
  movsd  D17(%rip),%xmm3
  movsd  D99(%rip),%xmm2
L116:
  add    $0x1,%eax
  mulsd  %xmm3,%xmm0
  comisd %xmm2,%xmm0
  jae    L116
  movsd  %xmm0,(%rsp)
  jmp    L128
L63:
  movsd  D17(%rip),%xmm2
  mov    $0x40,%eax
  comisd %xmm0,%xmm2
  jbe    L128
  mov    $0x40,%eax
  movsd  D7(%rip),%xmm3
L104:
  sub    $0x1,%eax
  mulsd  %xmm3,%xmm0
  comisd %xmm0,%xmm2
  ja     L104
  movsd  %xmm0,(%rsp)
  jmp    L128
L135:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D48
type: string
name: extract_symbolic_data
arguments: data_label: D18
type: f64
name: extract_symbolic_data
arguments: data_label: D20
type: f64
name: extract_symbolic_data
arguments: data_label: D23
type: byte[16]
name: extract_symbolic_data
arguments: data_label: D99
type: f64[2]
name: extract_symbolic_data
arguments: data_label: D17
type: byte[8]
name: extract_symbolic_data
arguments: data_label: D7
type: f64

tool: D48: %lf

tool: D18: 0

tool: D20: 256

tool: {"D23": [0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00]}

tool: {"D99": [1.0,0.0625]}

tool: {"D17": [0x00,0x00,0x00,0x00,0x00,0x00,0xb0,0x3f]}

tool: D7: 16

assistant: ```c
int encode_GDS_R4(buf, dchars, size)
char *buf;
unsigned char *dchars;
int size;
{
  double val = 0.0;
  int i;
  int exponent = 0;
  char isneg;
  sscanf(buf, "%lf", &val);
  if (isneg = (val < 0.0)) {
    val = -val;
  }
  exponent += 64;
  if (val == 0.0) {
  } else if (val >= 1.0) {
    while (val >= 1.0) {
      exponent++;
      val /= 16.0;
    }
  } else if (val < (1.0 / 16.0)) {
    while (val < (1.0 / 16.0)) {
      exponent--;
      val *= 16.0;
    }
  }
  dchars[0] = exponent;
  if (isneg)
    dchars[0] |= 0x80;
  for (i = 1; i < 4; i++) {
    val *= 256.0;
    dchars[i] = (int)val;
    val -= dchars[i];
  }
  return 4;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<encode_GDS_R4>:
  endbr64
  push   %rbx
  mov    %rsi,%rbx
  lea    D45(%rip),%rsi
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rdx
  movq   $0x0,(%rsp)
  call   <sscanf@plt>
  movsd  (%rsp),%xmm1
  pxor   %xmm4,%xmm4
  comisd %xmm1,%xmm4
  ja     L157
  pxor   %xmm6,%xmm6
  movapd %xmm1,%xmm0
  ucomisd %xmm6,%xmm1
  jp     L14
  mov    $0x40,%eax
  jne    L14
L32:
  pxor   %xmm5,%xmm5
  mov    %al,(%rbx)
  comisd %xmm1,%xmm5
  ja     L138
L78:
  movsd  D16(%rip),%xmm2
  lea    0x1(%rbx),%rdx
  add    $0x4,%rbx
L81:
  mulsd  %xmm2,%xmm0
  pxor   %xmm1,%xmm1
  add    $0x1,%rdx
  cvttsd2si %xmm0,%eax
  mov    %al,-0x1(%rdx)
  movzbl %al,%eax
  cvtsi2sd %eax,%xmm1
  subsd  %xmm1,%xmm0
  cmp    %rdx,%rbx
  jne    L81
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L156
  add    $0x10,%rsp
  mov    $0x4,%eax
  pop    %rbx
  ret
  nopl   (%rax)
L157:
  ucomisd %xmm4,%xmm1
  movapd %xmm1,%xmm0
  xorpd  D58(%rip),%xmm0
  movsd  %xmm0,(%rsp)
  jp     L14
  mov    $0xffffffc0,%eax
  je     L140
L14:
  movsd  D13(%rip),%xmm3
  comisd %xmm3,%xmm0
  jb     L31
  movsd  D56(%rip),%xmm2
  mov    $0x40,%eax
  nopl   0x0(%rax)
L22:
  mulsd  %xmm2,%xmm0
  add    $0x1,%eax
  comisd %xmm3,%xmm0
  jae    L22
  pxor   %xmm5,%xmm5
  mov    %al,(%rbx)
  comisd %xmm1,%xmm5
  jbe    L78
L138:
  or     $0xffffff80,%eax
L140:
  mov    %al,(%rbx)
  jmp    L78
  nop
L31:
  movsd  D56(%rip),%xmm2
  comisd %xmm0,%xmm2
  jbe    L4
  movsd  D18(%rip),%xmm3
  mov    $0x40,%eax
  nopl   0x0(%rax,%rax,1)
L155:
  mulsd  %xmm3,%xmm0
  sub    $0x1,%eax
  comisd %xmm0,%xmm2
  ja     L155
  jmp    L32
  nopw   0x0(%rax,%rax,1)
L4:
  movsd  (%rsp),%xmm0
  mov    $0x40,%eax
  jmp    L32
L156:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: label: D45
data_type: string
name: read_data
arguments: label: D16
data_type: f64
name: read_data
arguments: label: D58
data_type: f32[4]
name: read_data
arguments: label: D13
data_type: f64
name: read_data
arguments: label: D56
data_type: f32[2]
name: read_data
arguments: label: D18
data_type: f64

tool: D45: %lf

tool: D16: 256

tool: {"D58": [0.0,-0.0,0.0,0.0]}

tool: D13: 1

tool: {"D56": [0.0,1.375]}

tool: D18: 16

assistant: ```c
int encode_GDS_R4(buf, dchars, size)
char *buf;
unsigned char *dchars;
int size;
{
  double val = 0.0;
  int i;
  int exponent = 0;
  char isneg;
  sscanf(buf, "%lf", &val);
  if (isneg = (val < 0.0)) {
    val = -val;
  }
  exponent += 64;
  if (val == 0.0) {
  } else if (val >= 1.0) {
    while (val >= 1.0) {
      exponent++;
      val /= 16.0;
    }
  } else if (val < (1.0 / 16.0)) {
    while (val < (1.0 / 16.0)) {
      exponent--;
      val *= 16.0;
    }
  }
  dchars[0] = exponent;
  if (isneg)
    dchars[0] |= 0x80;
  for (i = 1; i < 4; i++) {
    val *= 256.0;
    dchars[i] = (int)val;
    val -= dchars[i];
  }
  return 4;
}
```
user: What is the c source code of the assembly code below?

```asm
<encode_GDS_R4>:
  endbr64
  push   %rbx
  mov    %rsi,%rbx
  lea    D5(%rip),%rsi
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rdx
  movq   $0x0,(%rsp)
  call   <sscanf@plt>
  movsd  (%rsp),%xmm1
  pxor   %xmm4,%xmm4
  comisd %xmm1,%xmm4
  ja     L6
  ucomisd %xmm4,%xmm1
  movapd %xmm1,%xmm0
  jp     L105
  jne    L105
L20:
  mov    $0x40,%eax
L135:
  pxor   %xmm5,%xmm5
  mov    %al,(%rbx)
  comisd %xmm1,%xmm5
  ja     L71
L138:
  movsd  D17(%rip),%xmm1
  pxor   %xmm2,%xmm2
  mulsd  %xmm1,%xmm0
  cvttsd2si %xmm0,%eax
  mov    %al,0x1(%rbx)
  movzbl %al,%eax
  cvtsi2sd %eax,%xmm2
  subsd  %xmm2,%xmm0
  pxor   %xmm2,%xmm2
  mulsd  %xmm1,%xmm0
  cvttsd2si %xmm0,%eax
  mov    %al,0x2(%rbx)
  movzbl %al,%eax
  cvtsi2sd %eax,%xmm2
  subsd  %xmm2,%xmm0
  mulsd  %xmm1,%xmm0
  cvttsd2si %xmm0,%eax
  mov    %al,0x3(%rbx)
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L31
  add    $0x10,%rsp
  mov    $0x4,%eax
  pop    %rbx
  ret
  nopl   (%rax)
L6:
  ucomisd %xmm4,%xmm1
  movapd %xmm1,%xmm0
  xorpd  D25(%rip),%xmm0
  jp     L105
  mov    $0xffffffc0,%eax
  je     L96
L105:
  movsd  D56(%rip),%xmm3
  comisd %xmm3,%xmm0
  jb     L60
  movsd  D52(%rip),%xmm2
  mov    $0x40,%eax
  nopl   0x0(%rax)
L43:
  mulsd  %xmm2,%xmm0
  add    $0x1,%eax
  comisd %xmm3,%xmm0
  jae    L43
  pxor   %xmm5,%xmm5
  mov    %al,(%rbx)
  comisd %xmm1,%xmm5
  jbe    L138
L71:
  or     $0xffffff80,%eax
L96:
  mov    %al,(%rbx)
  jmp    L138
  nopw   0x0(%rax,%rax,1)
L60:
  movsd  D52(%rip),%xmm2
  comisd %xmm0,%xmm2
  jbe    L20
  movsd  D44(%rip),%xmm3
  mov    $0x40,%eax
  nop
L103:
  mulsd  %xmm3,%xmm0
  sub    $0x1,%eax
  comisd %xmm0,%xmm2
  ja     L103
  jmp    L135
L31:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: label: D5
data_type: string
name: retrieve_data
arguments: label: D17
data_type: f64
name: retrieve_data
arguments: label: D25
data_type: f32[4]
name: retrieve_data
arguments: label: D56
data_type: f64
name: retrieve_data
arguments: label: D52
data_type: f32[2]
name: retrieve_data
arguments: label: D44
data_type: f64

tool: D5: %lf

tool: D17: 256

tool: {"D25": [0.0,-0.0,0.0,0.0]}

tool: D56: 1

tool: {"D52": [0.0,1.375]}

tool: D44: 16

assistant: ```c
int encode_GDS_R4(buf, dchars, size)
char *buf;
unsigned char *dchars;
int size;
{
  double val = 0.0;
  int i;
  int exponent = 0;
  char isneg;
  sscanf(buf, "%lf", &val);
  if (isneg = (val < 0.0)) {
    val = -val;
  }
  exponent += 64;
  if (val == 0.0) {
  } else if (val >= 1.0) {
    while (val >= 1.0) {
      exponent++;
      val /= 16.0;
    }
  } else if (val < (1.0 / 16.0)) {
    while (val < (1.0 / 16.0)) {
      exponent--;
      val *= 16.0;
    }
  }
  dchars[0] = exponent;
  if (isneg)
    dchars[0] |= 0x80;
  for (i = 1; i < 4; i++) {
    val *= 256.0;
    dchars[i] = (int)val;
    val -= dchars[i];
  }
  return 4;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<f>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0xc(%rbp),%rax
  cmp    %rax,-0x18(%rbp)
  setb   %al
  movzbl %al,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L2
  call   <__stack_chk_fail@plt>
L2:
  leave
  ret
```

assistant: ```c
int f(int *a) {
  int b;
  return (&b > a) ? 1 : 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
<f>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rax
  cmp    %rdi,%rax
  seta   %al
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L2
  movzbl %al,%eax
  add    $0x18,%rsp
  ret
L2:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int f(int *a) {
  int b;
  return (&b > a) ? 1 : 0;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<f>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rax
  cmp    %rdi,%rax
  seta   %al
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L3
  movzbl %al,%eax
  add    $0x18,%rsp
  ret
L3:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int f(int *a) {
  int b;
  return (&b > a) ? 1 : 0;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<f>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rax
  cmp    %rdi,%rax
  seta   %al
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L1
  movzbl %al,%eax
  add    $0x18,%rsp
  ret
L1:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int f(int *a) {
  int b;
  return (&b > a) ? 1 : 0;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<xdrmem_putbytes>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    %edx,-0x14(%rbp)
  mov    -0x8(%rbp),%rax
  mov    (%rax),%eax
  cmp    %eax,-0x14(%rbp)
  jbe    L15
  mov    D15(%rip),%rax
  mov    (%rax),%eax
  jmp    L6
L15:
  mov    -0x8(%rbp),%rax
  mov    (%rax),%eax
  sub    -0x14(%rbp),%eax
  mov    %eax,%edx
  mov    -0x8(%rbp),%rax
  mov    %edx,(%rax)
  mov    -0x8(%rbp),%rax
  mov    0x4(%rax),%eax
  mov    -0x14(%rbp),%edx
  mov    -0x10(%rbp),%rcx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <memmove@plt>
  mov    -0x8(%rbp),%rax
  mov    0x4(%rax),%edx
  mov    -0x14(%rbp),%eax
  add    %eax,%edx
  mov    -0x8(%rbp),%rax
  mov    %edx,0x4(%rax)
  mov    D19(%rip),%rax
  mov    (%rax),%eax
L6:
  leave
  ret
```

assistant: ```c
bool_t xdrmem_putbytes(XDR *xdrs, const char *addr, unsigned int len) {
  if (xdrs->x_handy < len)
    return FALSE;
  xdrs->x_handy -= len;
  memmove(xdrs->x_private, addr, len);
  xdrs->x_private += len;
  return (TRUE);
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<xdrmem_putbytes>:
  endbr64
  mov    (%rdi),%eax
  cmp    %edx,%eax
  jae    L8
  mov    D7(%rip),%rax
  mov    (%rax),%eax
  ret
L8:
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbx
  mov    %edx,%ebp
  sub    %edx,%eax
  mov    %eax,(%rdi)
  mov    0x4(%rdi),%edi
  call   <memmove@plt>
  add    %ebp,0x4(%rbx)
  mov    D12(%rip),%rax
  mov    (%rax),%eax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
bool_t xdrmem_putbytes(XDR *xdrs, const char *addr, unsigned int len) {
  if (xdrs->x_handy < len)
    return FALSE;
  xdrs->x_handy -= len;
  memmove(xdrs->x_private, addr, len);
  xdrs->x_private += len;
  return (TRUE);
}
```
user: Translate the below assembly code into C programming language:

```asm
<xdrmem_putbytes>:
  endbr64
  mov    (%rdi),%eax
  cmp    %edx,%eax
  jae    L7
  mov    D16(%rip),%rax
  mov    (%rax),%eax
  ret
  nopl   0x0(%rax)
L7:
  push   %rbp
  sub    %edx,%eax
  mov    %edx,%ebp
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x8,%rsp
  mov    %eax,(%rdi)
  mov    0x4(%rdi),%edi
  call   <memmove@plt>
  mov    D13(%rip),%rax
  add    %ebp,0x4(%rbx)
  mov    (%rax),%eax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
bool_t xdrmem_putbytes(XDR *xdrs, const char *addr, unsigned int len) {
  if (xdrs->x_handy < len)
    return FALSE;
  xdrs->x_handy -= len;
  memmove(xdrs->x_private, addr, len);
  xdrs->x_private += len;
  return (TRUE);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<xdrmem_putbytes>:
  endbr64
  mov    (%rdi),%eax
  cmp    %edx,%eax
  jae    L2
  mov    D13(%rip),%rax
  mov    (%rax),%eax
  ret
  nopl   0x0(%rax)
L2:
  push   %rbp
  sub    %edx,%eax
  mov    %edx,%ebp
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x8,%rsp
  mov    %eax,(%rdi)
  mov    0x4(%rdi),%edi
  call   <memmove@plt>
  mov    D4(%rip),%rax
  add    %ebp,0x4(%rbx)
  mov    (%rax),%eax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
bool_t xdrmem_putbytes(XDR *xdrs, const char *addr, unsigned int len) {
  if (xdrs->x_handy < len)
    return FALSE;
  xdrs->x_handy -= len;
  memmove(xdrs->x_private, addr, len);
  xdrs->x_private += len;
  return (TRUE);
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movabs $0x74202c6f6c6c6548,%rax
  mov    %rax,-0x17(%rbp)
  movl   $0x65726568,-0xf(%rbp)
  movw   $0xa21,-0xb(%rbp)
  movb   $0x0,-0x9(%rbp)
  lea    -0x17(%rbp),%rax
  mov    %rax,-0x20(%rbp)
L8:
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L23
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <putchar@plt>
  addq   $0x1,-0x20(%rbp)
  jmp    L8
L23:
  nop
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L0
  call   <__stack_chk_fail@plt>
L0:
  leave
  ret
```

assistant: ```c
int main() {
  char string[] = "Hello, there!\n";
  char *s;
  s = string;
  while (1) {
    if (*s == '\0')
      break;
    putchar(*s);
    s++;
  }
  return (0);
}
```
user: Translate the below assembly code into C programming language:

```asm
<main>:
  endbr64
  push   %rbx
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  movabs $0x74202c6f6c6c6548,%rdi
  mov    %rdi,0x9(%rsp)
  movl   $0x65726568,0x11(%rsp)
  movw   $0xa21,0x15(%rsp)
  movb   $0x0,0x17(%rsp)
  test   %dil,%dil
  je     L29
  lea    0x9(%rsp),%rbx
L8:
  movsbl %dil,%edi
  call   <putchar@plt>
  add    $0x1,%rbx
  movzbl (%rbx),%edi
  test   %dil,%dil
  jne    L8
L29:
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L25
  mov    $0x0,%eax
  add    $0x20,%rsp
  pop    %rbx
  ret
L25:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int main() {
  char string[] = "Hello, there!\n";
  char *s;
  s = string;
  while (1) {
    if (*s == '\0')
      break;
    putchar(*s);
    s++;
  }
  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
<main>:
  endbr64
  push   %rbx
  mov    $0x48,%edi
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  movabs $0x74202c6f6c6c6548,%rax
  movl   $0x65726568,0x11(%rsp)
  lea    0x9(%rsp),%rbx
  movb   $0x0,0x17(%rsp)
  mov    %rax,0x9(%rsp)
  mov    $0xa21,%eax
  mov    %ax,0x15(%rsp)
  nopw   0x0(%rax,%rax,1)
L4:
  call   <putchar@plt>
  movsbl 0x1(%rbx),%edi
  add    $0x1,%rbx
  test   %dil,%dil
  jne    L4
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L9
  add    $0x20,%rsp
  xor    %eax,%eax
  pop    %rbx
  ret
L9:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int main() {
  char string[] = "Hello, there!\n";
  char *s;
  s = string;
  while (1) {
    if (*s == '\0')
      break;
    putchar(*s);
    s++;
  }
  return (0);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<main>:
  endbr64
  push   %rbx
  mov    $0x48,%edi
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  movabs $0x74202c6f6c6c6548,%rax
  movl   $0x65726568,0x11(%rsp)
  lea    0x9(%rsp),%rbx
  movb   $0x0,0x17(%rsp)
  mov    %rax,0x9(%rsp)
  mov    $0xa21,%eax
  mov    %ax,0x15(%rsp)
  nopw   0x0(%rax,%rax,1)
L13:
  call   <putchar@plt>
  movsbl 0x1(%rbx),%edi
  add    $0x1,%rbx
  test   %dil,%dil
  jne    L13
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L4
  add    $0x20,%rsp
  xor    %eax,%eax
  pop    %rbx
  ret
L4:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int main() {
  char string[] = "Hello, there!\n";
  char *s;
  s = string;
  while (1) {
    if (*s == '\0')
      break;
    putchar(*s);
    s++;
  }
  return (0);
}
```
user: Translate the below assembly code into C programming language:

```asm
<bc_strndup>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  cmpq   $0x0,-0x18(%rbp)
  jne    L12
  mov    $0x0,%eax
  jmp    L2
L12:
  mov    -0x20(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strnlen@plt>
  mov    %rax,-0x10(%rbp)
  mov    -0x10(%rbp),%rax
  add    $0x1,%rax
  mov    %rax,%rdi
  call   <malloc@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  jne    L16
  mov    $0x0,%eax
  jmp    L2
L16:
  mov    -0x10(%rbp),%rdx
  mov    -0x18(%rbp),%rcx
  mov    -0x8(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <memcpy@plt>
  mov    -0x8(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  mov    -0x8(%rbp),%rax
L2:
  leave
  ret
```

assistant: ```c
char *bc_strndup(const char *s, size_t n) {
  if (s == NULL)
    return NULL;
  size_t l = strnlen(s, n);
  char *tmp = malloc(l + 1);
  if (tmp == NULL)
    return NULL;
  memcpy(tmp, s, l);
  tmp[l] = '\0';
  return tmp;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<bc_strndup>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbp
  test   %rdi,%rdi
  je     L26
  call   <strnlen@plt>
  mov    %rax,%r12
  lea    0x1(%rax),%rdi
  call   <malloc@plt>
  mov    %rax,%rbx
  test   %rax,%rax
  je     L9
  mov    %r12,%rdx
  mov    %rbp,%rsi
  mov    %rax,%rdi
  call   <memcpy@plt>
  movb   $0x0,(%rbx,%r12,1)
L9:
  mov    %rbx,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L26:
  mov    %rdi,%rbx
  jmp    L9
```

assistant: ```c
char *bc_strndup(const char *s, size_t n) {
  if (s == NULL)
    return NULL;
  size_t l = strnlen(s, n);
  char *tmp = malloc(l + 1);
  if (tmp == NULL)
    return NULL;
  memcpy(tmp, s, l);
  tmp[l] = '\0';
  return tmp;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<bc_strndup>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  test   %rdi,%rdi
  je     L10
  mov    %rdi,%rbp
  call   <strnlen@plt>
  lea    0x1(%rax),%rdi
  mov    %rax,%rbx
  call   <malloc@plt>
  mov    %rax,%r12
  test   %rax,%rax
  je     L12
  mov    %rbx,%rdx
  mov    %rbp,%rsi
  mov    %rax,%rdi
  call   <memcpy@plt>
  movb   $0x0,(%r12,%rbx,1)
L12:
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax)
L10:
  xor    %r12d,%r12d
  pop    %rbx
  pop    %rbp
  mov    %r12,%rax
  pop    %r12
  ret
```

assistant: ```c
char *bc_strndup(const char *s, size_t n) {
  if (s == NULL)
    return NULL;
  size_t l = strnlen(s, n);
  char *tmp = malloc(l + 1);
  if (tmp == NULL)
    return NULL;
  memcpy(tmp, s, l);
  tmp[l] = '\0';
  return tmp;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<bc_strndup>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  test   %rdi,%rdi
  je     L16
  mov    %rdi,%rbp
  call   <strnlen@plt>
  lea    0x1(%rax),%rdi
  mov    %rax,%rbx
  call   <malloc@plt>
  mov    %rax,%r12
  test   %rax,%rax
  je     L2
  mov    %rbx,%rdx
  mov    %rbp,%rsi
  mov    %rax,%rdi
  call   <memcpy@plt>
  movb   $0x0,(%r12,%rbx,1)
L2:
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax)
L16:
  xor    %r12d,%r12d
  pop    %rbx
  pop    %rbp
  mov    %r12,%rax
  pop    %r12
  ret
```

assistant: ```c
char *bc_strndup(const char *s, size_t n) {
  if (s == NULL)
    return NULL;
  size_t l = strnlen(s, n);
  char *tmp = malloc(l + 1);
  if (tmp == NULL)
    return NULL;
  memcpy(tmp, s, l);
  tmp[l] = '\0';
  return tmp;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<razor_versioncmp>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x20,%rsp
  mov    %rdi,%rbp
  mov    %rsi,%r12
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  test   %rdi,%rdi
  setne  %dil
  movzbl %dil,%edi
  call   <assert@plt>
  test   %r12,%r12
  setne  %dil
  movzbl %dil,%edi
  call   <assert@plt>
  lea    0x8(%rsp),%rsi
  mov    $0xa,%edx
  mov    %rbp,%rdi
  call   <strtol@plt>
  mov    %rax,%rbx
  lea    0x10(%rsp),%rsi
  mov    $0xa,%edx
  mov    %r12,%rdi
  call   <strtol@plt>
  mov    %rax,%rdx
  mov    0x8(%rsp),%rsi
  mov    0x10(%rsp),%rcx
  cmpb   $0x3a,(%rsi)
  sete   %al
  movzbl %al,%eax
  cmpb   $0x3a,(%rcx)
  sete   %dil
  movzbl %dil,%edi
  sub    %edi,%eax
  js     L51
  test   %eax,%eax
  jle    L120
  add    $0x1,%rsi
  mov    %rsi,0x8(%rsp)
  mov    %r12,0x10(%rsp)
  mov    $0x0,%edx
  jmp    L120
L51:
  mov    %rbp,0x8(%rsp)
  add    $0x1,%rcx
  mov    %rcx,0x10(%rsp)
  mov    $0x0,%ebx
L120:
  cmp    %rdx,%rbx
  je     L72
  mov    %ebx,%eax
  sub    %edx,%eax
L79:
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L21
  add    $0x20,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L9:
  movsbl %dl,%eax
  movsbl %sil,%esi
  sub    %esi,%eax
  jmp    L79
L72:
  mov    0x8(%rsp),%rcx
  movzbl (%rcx),%edx
  test   %dl,%dl
  je     L108
  mov    0x10(%rsp),%rax
  movzbl (%rax),%esi
  test   %sil,%sil
  je     L108
  cmp    %sil,%dl
  jne    L9
  lea    0x1(%rcx),%rdx
  mov    %rdx,0x8(%rsp)
  add    $0x1,%rax
  mov    %rax,0x10(%rsp)
  movsbl 0x1(%rcx),%edi
  call   <isdigit@plt>
  test   %rax,%rax
  je     L72
  mov    0x10(%rsp),%rax
  movsbl (%rax),%edi
  call   <isdigit@plt>
  test   %rax,%rax
  je     L72
  mov    0x10(%rsp),%rsi
  mov    0x8(%rsp),%rdi
  call   <razor_versioncmp>
  jmp    L79
L108:
  movsbl %dl,%eax
  mov    0x10(%rsp),%rdx
  movsbl (%rdx),%edx
  sub    %edx,%eax
  jmp    L79
L21:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
__attribute__((visibility("default"))) int razor_versioncmp(const char *s1, const char *s2) {
  const char *p1, *p2;
  long n1, n2;
  int res;
  assert(s1 != NULL);
  assert(s2 != NULL);
  n1 = strtol(s1, (char **)&p1, 10);
  n2 = strtol(s2, (char **)&p2, 10);
  res = (*p1 == ':') - (*p2 == ':');
  if (res < 0) {
    n1 = 0;
    p1 = s1;
    p2++;
  } else if (res > 0) {
    p1++;
    n2 = 0;
    p2 = s2;
  }
  if (n1 != n2)
    return n1 - n2;
  while (*p1 && *p2) {
    if (*p1 != *p2)
      return *p1 - *p2;
    p1++;
    p2++;
    if (isdigit(*p1) && isdigit(*p2))
      return razor_versioncmp(p1, p2);
  }
  return *p1 - *p2;
}
```