ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 下面的汇编指令对应的C源代码是什么:

```asm
<DoBatman>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %edi,%ebx
  mov    $0x4,%edx
  mov    %edi,%esi
  call   <StartPolyLine@plt>
  lea    0xa(%rbx),%ebp
  mov    %ebx,%r12d
  shr    $0x1f,%r12d
  add    %ebx,%r12d
  sar    %r12d
  lea    0xa(%rbx,%r12,1),%edi
  mov    %ebp,%esi
  call   <AddPolyPoint@plt>
  lea    0x0(%rbp,%rbp,1),%r13d
  mov    %ebx,%esi
  mov    %r13d,%edi
  call   <AddPolyPoint@plt>
  add    %r12d,%ebp
  mov    %ebp,%esi
  mov    %r13d,%edi
  call   <AddPolyPoint@plt>
  mov    %ebp,%esi
  mov    %ebx,%edi
  call   <AddPolyPoint@plt>
  mov    $0x0,%eax
  call   <EndPolyLine@plt>
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
void DoBatman(int i) {
  StartPolyLine(i, i, 4);
  AddPolyPoint(i + i / 2 + 10, i + 10);
  AddPolyPoint(i + i + 20, i);
  AddPolyPoint(i + i + 20, 10 + i + i / 2);
  AddPolyPoint(i, 10 + i + i / 2);
  EndPolyLine();
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<DoBatman>:
  endbr64
  push   %r13
  mov    $0x4,%edx
  mov    %edi,%esi
  push   %r12
  push   %rbp
  mov    %edi,%ebp
  push   %rbx
  mov    %ebp,%r12d
  lea    0xa(%rbp),%ebx
  shr    $0x1f,%r12d
  lea    (%rbx,%rbx,1),%r13d
  add    %ebp,%r12d
  sub    $0x8,%rsp
  sar    %r12d
  call   <StartPolyLine@plt>
  lea    0xa(%rbp,%r12,1),%edi
  mov    %ebx,%esi
  add    %ebx,%r12d
  call   <AddPolyPoint@plt>
  mov    %ebp,%esi
  mov    %r13d,%edi
  call   <AddPolyPoint@plt>
  mov    %r12d,%esi
  mov    %r13d,%edi
  call   <AddPolyPoint@plt>
  mov    %r12d,%esi
  mov    %ebp,%edi
  call   <AddPolyPoint@plt>
  add    $0x8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  jmp    1080 <EndPolyLine@plt>
```

assistant: ```c
void DoBatman(int i) {
  StartPolyLine(i, i, 4);
  AddPolyPoint(i + i / 2 + 10, i + 10);
  AddPolyPoint(i + i + 20, i);
  AddPolyPoint(i + i + 20, 10 + i + i / 2);
  AddPolyPoint(i, 10 + i + i / 2);
  EndPolyLine();
}
```
user: What is the c source code of the assembly code below?

```asm
<DoBatman>:
  endbr64
  push   %r13
  mov    $0x4,%edx
  mov    %edi,%esi
  push   %r12
  push   %rbp
  mov    %edi,%ebp
  push   %rbx
  mov    %ebp,%r12d
  lea    0xa(%rbp),%ebx
  shr    $0x1f,%r12d
  lea    (%rbx,%rbx,1),%r13d
  add    %ebp,%r12d
  sub    $0x8,%rsp
  sar    %r12d
  call   <StartPolyLine@plt>
  lea    0xa(%rbp,%r12,1),%edi
  mov    %ebx,%esi
  add    %ebx,%r12d
  call   <AddPolyPoint@plt>
  mov    %ebp,%esi
  mov    %r13d,%edi
  call   <AddPolyPoint@plt>
  mov    %r12d,%esi
  mov    %r13d,%edi
  call   <AddPolyPoint@plt>
  mov    %r12d,%esi
  mov    %ebp,%edi
  call   <AddPolyPoint@plt>
  add    $0x8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  jmp    1080 <EndPolyLine@plt>
```

assistant: ```c
void DoBatman(int i) {
  StartPolyLine(i, i, 4);
  AddPolyPoint(i + i / 2 + 10, i + 10);
  AddPolyPoint(i + i + 20, i);
  AddPolyPoint(i + i + 20, 10 + i + i / 2);
  AddPolyPoint(i, 10 + i + i / 2);
  EndPolyLine();
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<ndntlv_isData>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    -0x1c(%rbp),%eax
  test   %eax,%eax
  js     L22
  lea    -0xc(%rbp),%rcx
  lea    -0x10(%rbp),%rdx
  lea    -0x1c(%rbp),%rsi
  lea    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <ccnl_ndntlv_dehead@plt>
  test   %rax,%rax
  je     L55
L22:
  mov    $0xffffffff,%eax
  jmp    L8
L55:
  mov    -0x10(%rbp),%eax
  cmp    $0x6,%eax
  je     L13
  mov    $0x0,%eax
  jmp    L8
L13:
  mov    $0x1,%eax
L8:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L15
  call   <__stack_chk_fail@plt>
L15:
  leave
  ret
```

assistant: ```c
int ndntlv_isData(unsigned char *buf, int len) {
  int typ;
  int vallen;
  if (len < 0 || ccnl_ndntlv_dehead(&buf, &len, &typ, &vallen))
    return -1;
  if (typ != 0x06)
    return 0;
  return 1;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<ndntlv_isData>:
  endbr64
  sub    $0x28,%rsp
  mov    %rdi,0x8(%rsp)
  mov    %esi,0x4(%rsp)
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  mov    $0xffffffff,%eax
  test   %esi,%esi
  js     L0
  lea    0x14(%rsp),%rcx
  lea    0x10(%rsp),%rdx
  lea    0x4(%rsp),%rsi
  lea    0x8(%rsp),%rdi
  call   <ccnl_ndntlv_dehead@plt>
  mov    %rax,%rdx
  mov    $0xffffffff,%eax
  test   %rdx,%rdx
  jne    L0
  cmpl   $0x6,0x10(%rsp)
  sete   %al
  movzbl %al,%eax
L0:
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L13
  add    $0x28,%rsp
  ret
L13:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int ndntlv_isData(unsigned char *buf, int len) {
  int typ;
  int vallen;
  if (len < 0 || ccnl_ndntlv_dehead(&buf, &len, &typ, &vallen))
    return -1;
  if (typ != 0x06)
    return 0;
  return 1;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<ndntlv_isData>:
  endbr64
  sub    $0x28,%rsp
  mov    %rdi,0x8(%rsp)
  mov    %esi,0x4(%rsp)
  mov    %fs:0x28,%rdx
  mov    %rdx,0x18(%rsp)
  xor    %edx,%edx
  test   %esi,%esi
  js     L5
  lea    0x14(%rsp),%rcx
  lea    0x10(%rsp),%rdx
  lea    0x4(%rsp),%rsi
  lea    0x8(%rsp),%rdi
  call   <ccnl_ndntlv_dehead@plt>
  test   %rax,%rax
  jne    L5
  xor    %eax,%eax
  cmpl   $0x6,0x10(%rsp)
  sete   %al
  jmp    L4
  nop
L5:
  mov    $0xffffffff,%eax
L4:
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L23
  add    $0x28,%rsp
  ret
L23:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int ndntlv_isData(unsigned char *buf, int len) {
  int typ;
  int vallen;
  if (len < 0 || ccnl_ndntlv_dehead(&buf, &len, &typ, &vallen))
    return -1;
  if (typ != 0x06)
    return 0;
  return 1;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<ndntlv_isData>:
  endbr64
  sub    $0x28,%rsp
  mov    %rdi,0x8(%rsp)
  mov    %esi,0x4(%rsp)
  mov    %fs:0x28,%rdx
  mov    %rdx,0x18(%rsp)
  xor    %edx,%edx
  test   %esi,%esi
  js     L39
  lea    0x14(%rsp),%rcx
  lea    0x10(%rsp),%rdx
  lea    0x4(%rsp),%rsi
  lea    0x8(%rsp),%rdi
  call   <ccnl_ndntlv_dehead@plt>
  test   %rax,%rax
  jne    L39
  xor    %eax,%eax
  cmpl   $0x6,0x10(%rsp)
  sete   %al
  jmp    L20
  nop
L39:
  mov    $0xffffffff,%eax
L20:
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L35
  add    $0x28,%rsp
  ret
L35:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int ndntlv_isData(unsigned char *buf, int len) {
  int typ;
  int vallen;
  if (len < 0 || ccnl_ndntlv_dehead(&buf, &len, &typ, &vallen))
    return -1;
  if (typ != 0x06)
    return 0;
  return 1;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<ASNDerGetLength>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  mov    %rcx,-0x30(%rbp)
  movl   $0xfffffffe,-0x8(%rbp)
  movl   $0x0,-0x4(%rbp)
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jns    L31
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  and    $0x7f,%eax
  mov    %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  cltq
  cmp    %rax,-0x20(%rbp)
  jle    L4
  cmpl   $0x0,-0x4(%rbp)
  jle    L4
  cmpl   $0x4,-0x4(%rbp)
  jg     L4
  mov    -0x28(%rbp),%rax
  movq   $0x0,(%rax)
  addq   $0x1,-0x18(%rbp)
  mov    $0x4,%eax
  sub    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  lea    (%rdx,%rax,1),%rcx
  mov    -0x4(%rbp),%edx
  mov    -0x18(%rbp),%rax
  mov    %rax,%rsi
  mov    %rcx,%rdi
  call   <memcpy@plt>
  mov    -0x4(%rbp),%eax
  add    $0x1,%eax
  movslq %eax,%rdx
  mov    -0x30(%rbp),%rax
  mov    %rdx,(%rax)
  movl   $0x0,-0x8(%rbp)
  jmp    L4
L31:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  and    $0x7f,%eax
  mov    %rax,%rdx
  mov    -0x28(%rbp),%rax
  mov    %rdx,(%rax)
  mov    -0x30(%rbp),%rax
  movq   $0x1,(%rax)
  movl   $0x0,-0x8(%rbp)
L4:
  mov    -0x8(%rbp),%eax
  leave
  ret
```

assistant: ```c
int ASNDerGetLength(unsigned char *pbLengthData, long nBoundaryLength, long *pnLength, long *pnNumLengthBytes) {
  int nReturn = -2;
  int nNumLengthBytes = 0;
  if (*pbLengthData & 0x80) {
    nNumLengthBytes = *pbLengthData & 0x7f;
    if (nNumLengthBytes <= nBoundaryLength - 1) {
      if (nNumLengthBytes >= 1 && nNumLengthBytes <= 4) {
        *pnLength = 0L;
        pbLengthData++;
        memcpy(((unsigned char *)pnLength) + (4 - nNumLengthBytes), pbLengthData, nNumLengthBytes);
        *pnNumLengthBytes = nNumLengthBytes + 1;
        nReturn = 0;
      }
    }
  } else {
    *pnLength = *pbLengthData & 0x7f;
    *pnNumLengthBytes = 1;
    nReturn = 0;
  };
  return nReturn;
}
```
user: What is the c source code of the assembly code below?

```asm
<ASNDerGetLength>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rcx,%rbx
  movzbl (%rdi),%eax
  test   %al,%al
  js     L7
  and    $0x7f,%eax
  mov    %rax,(%rdx)
  movq   $0x1,(%rcx)
  mov    $0x0,%eax
L0:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
L7:
  mov    %eax,%ecx
  and    $0x7f,%ecx
  mov    %eax,%ebp
  and    $0x7f,%ebp
  and    $0x7f,%eax
  cmp    %rsi,%rax
  jge    L26
  movzbl %cl,%ecx
  sub    $0x1,%ecx
  cmp    $0x3,%ecx
  ja     L4
  movq   $0x0,(%rdx)
  lea    0x1(%rdi),%rsi
  mov    $0x4,%edi
  sub    %ebp,%edi
  movslq %edi,%rdi
  add    %rdx,%rdi
  mov    %ebp,%edx
  call   <memcpy@plt>
  add    $0x1,%ebp
  movslq %ebp,%rbp
  mov    %rbp,(%rbx)
  mov    $0x0,%eax
  jmp    L0
L26:
  mov    $0xfffffffe,%eax
  jmp    L0
L4:
  mov    $0xfffffffe,%eax
  jmp    L0
```

assistant: ```c
int ASNDerGetLength(unsigned char *pbLengthData, long nBoundaryLength, long *pnLength, long *pnNumLengthBytes) {
  int nReturn = -2;
  int nNumLengthBytes = 0;
  if (*pbLengthData & 0x80) {
    nNumLengthBytes = *pbLengthData & 0x7f;
    if (nNumLengthBytes <= nBoundaryLength - 1) {
      if (nNumLengthBytes >= 1 && nNumLengthBytes <= 4) {
        *pnLength = 0L;
        pbLengthData++;
        memcpy(((unsigned char *)pnLength) + (4 - nNumLengthBytes), pbLengthData, nNumLengthBytes);
        *pnNumLengthBytes = nNumLengthBytes + 1;
        nReturn = 0;
      }
    }
  } else {
    *pnLength = *pbLengthData & 0x7f;
    *pnNumLengthBytes = 1;
    nReturn = 0;
  };
  return nReturn;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<ASNDerGetLength>:
  endbr64
  push   %rbp
  push   %rbx
  mov    %rcx,%rbx
  sub    $0x8,%rsp
  movzbl (%rdi),%eax
  test   %al,%al
  js     L34
  mov    %rax,(%rdx)
  xor    %eax,%eax
  movq   $0x1,(%rcx)
L5:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
  nopw   0x0(%rax,%rax,1)
L34:
  mov    %eax,%ebp
  and    $0x7f,%eax
  and    $0x7f,%ebp
  cmp    %rsi,%rax
  jge    L33
  lea    -0x1(%rbp),%eax
  cmp    $0x3,%eax
  ja     L33
  mov    $0x4,%eax
  movq   $0x0,(%rdx)
  lea    0x1(%rdi),%rsi
  sub    %ebp,%eax
  cltq
  lea    (%rdx,%rax,1),%rdi
  mov    %ebp,%edx
  add    $0x1,%ebp
  call   <memcpy@plt>
  movslq %ebp,%rbp
  xor    %eax,%eax
  mov    %rbp,(%rbx)
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
  cs nopw 0x0(%rax,%rax,1)
L33:
  mov    $0xfffffffe,%eax
  jmp    L5
```

assistant: ```c
int ASNDerGetLength(unsigned char *pbLengthData, long nBoundaryLength, long *pnLength, long *pnNumLengthBytes) {
  int nReturn = -2;
  int nNumLengthBytes = 0;
  if (*pbLengthData & 0x80) {
    nNumLengthBytes = *pbLengthData & 0x7f;
    if (nNumLengthBytes <= nBoundaryLength - 1) {
      if (nNumLengthBytes >= 1 && nNumLengthBytes <= 4) {
        *pnLength = 0L;
        pbLengthData++;
        memcpy(((unsigned char *)pnLength) + (4 - nNumLengthBytes), pbLengthData, nNumLengthBytes);
        *pnNumLengthBytes = nNumLengthBytes + 1;
        nReturn = 0;
      }
    }
  } else {
    *pnLength = *pbLengthData & 0x7f;
    *pnNumLengthBytes = 1;
    nReturn = 0;
  };
  return nReturn;
}
```
user: Translate the below assembly code into C programming language:

```asm
<ASNDerGetLength>:
  endbr64
  push   %rbp
  push   %rbx
  mov    %rcx,%rbx
  sub    $0x8,%rsp
  movzbl (%rdi),%eax
  test   %al,%al
  js     L33
  mov    %rax,(%rdx)
  xor    %eax,%eax
  movq   $0x1,(%rcx)
L21:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
  nopw   0x0(%rax,%rax,1)
L33:
  mov    %eax,%ebp
  and    $0x7f,%eax
  and    $0x7f,%ebp
  cmp    %rsi,%rax
  jge    L32
  lea    -0x1(%rbp),%eax
  cmp    $0x3,%eax
  ja     L32
  mov    $0x4,%eax
  movq   $0x0,(%rdx)
  lea    0x1(%rdi),%rsi
  sub    %ebp,%eax
  cltq
  lea    (%rdx,%rax,1),%rdi
  mov    %ebp,%edx
  add    $0x1,%ebp
  call   <memcpy@plt>
  movslq %ebp,%rbp
  xor    %eax,%eax
  mov    %rbp,(%rbx)
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
  cs nopw 0x0(%rax,%rax,1)
L32:
  mov    $0xfffffffe,%eax
  jmp    L21
```

assistant: ```c
int ASNDerGetLength(unsigned char *pbLengthData, long nBoundaryLength, long *pnLength, long *pnNumLengthBytes) {
  int nReturn = -2;
  int nNumLengthBytes = 0;
  if (*pbLengthData & 0x80) {
    nNumLengthBytes = *pbLengthData & 0x7f;
    if (nNumLengthBytes <= nBoundaryLength - 1) {
      if (nNumLengthBytes >= 1 && nNumLengthBytes <= 4) {
        *pnLength = 0L;
        pbLengthData++;
        memcpy(((unsigned char *)pnLength) + (4 - nNumLengthBytes), pbLengthData, nNumLengthBytes);
        *pnNumLengthBytes = nNumLengthBytes + 1;
        nReturn = 0;
      }
    }
  } else {
    *pnLength = *pbLengthData & 0x7f;
    *pnNumLengthBytes = 1;
    nReturn = 0;
  };
  return nReturn;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<kpzload>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  mov    %rcx,-0x30(%rbp)
  mov    %r8,-0x38(%rbp)
  mov    -0x20(%rbp),%rax
  movq   $0x0,(%rax)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <kzopen@plt>
  test   %eax,%eax
  je     L9
  mov    $0x0,%eax
  call   <kzfilelength@plt>
  mov    %rax,-0x10(%rbp)
  mov    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <malloc@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  je     L66
  mov    -0x10(%rbp),%rdx
  mov    -0x8(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <kzread@plt>
  mov    $0x0,%eax
  call   <kzclose@plt>
  mov    -0x38(%rbp),%rcx
  mov    -0x30(%rbp),%rdx
  mov    -0x10(%rbp),%rsi
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <kpgetdim@plt>
  mov    -0x30(%rbp),%rax
  mov    (%rax),%rax
  lea    0x0(,%rax,4),%rdx
  mov    -0x28(%rbp),%rax
  mov    %rdx,(%rax)
  mov    -0x38(%rbp),%rax
  mov    (%rax),%rdx
  mov    -0x28(%rbp),%rax
  mov    (%rax),%rax
  imul   %rdx,%rax
  mov    %rax,%rdi
  call   <malloc@plt>
  mov    -0x20(%rbp),%rdx
  mov    %rax,(%rdx)
  mov    -0x20(%rbp),%rax
  mov    (%rax),%rax
  test   %rax,%rax
  jne    L23
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  jmp    L31
L23:
  mov    -0x38(%rbp),%rax
  mov    (%rax),%r8
  mov    -0x30(%rbp),%rax
  mov    (%rax),%rdi
  mov    -0x28(%rbp),%rax
  mov    (%rax),%rcx
  mov    -0x20(%rbp),%rax
  mov    (%rax),%rdx
  mov    -0x10(%rbp),%rsi
  mov    -0x8(%rbp),%rax
  push   $0x0
  push   $0x0
  mov    %r8,%r9
  mov    %rdi,%r8
  mov    %rax,%rdi
  call   <kprender@plt>
  add    $0x10,%rsp
  test   %rax,%rax
  jns    L4
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    -0x20(%rbp),%rax
  mov    (%rax),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    -0x20(%rbp),%rax
  movq   $0x0,(%rax)
  jmp    L31
L4:
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  jmp    L31
L9:
  nop
  jmp    L31
L66:
  nop
L31:
  leave
  ret
```

assistant: ```c
void kpzload(const char *filnam, long *pic, long *bpl, long *xsiz, long *ysiz) {
  char *buf;
  long leng;
  (*pic) = 0;
  if (!kzopen(filnam))
    return;
  leng = kzfilelength();
  buf = (char *)malloc(leng);
  if (!buf)
    return;
  kzread(buf, leng);
  kzclose();
  kpgetdim(buf, leng, xsiz, ysiz);
  (*bpl) = ((*xsiz) << 2);
  (*pic) = (long)malloc((*ysiz) * (*bpl));
  if (!(*pic)) {
    free(buf);
    return;
  }
  if (kprender(buf, leng, *pic, *bpl, *xsiz, *ysiz, 0, 0) < 0) {
    free(buf);
    free((void *)*pic);
    (*pic) = 0;
    return;
  }
  free(buf);
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<kpzload>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rsi,%rbx
  mov    %rdx,%r13
  mov    %rcx,%rbp
  mov    %r8,%r12
  movq   $0x0,(%rsi)
  call   <kzopen@plt>
  test   %eax,%eax
  jne    L68
L32:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L68:
  mov    $0x0,%eax
  call   <kzfilelength@plt>
  mov    %rax,%r15
  mov    %rax,%rdi
  call   <malloc@plt>
  mov    %rax,%r14
  test   %rax,%rax
  je     L32
  mov    %r15,%rsi
  mov    %rax,%rdi
  call   <kzread@plt>
  mov    $0x0,%eax
  call   <kzclose@plt>
  mov    %r12,%rcx
  mov    %rbp,%rdx
  mov    %r15,%rsi
  mov    %r14,%rdi
  call   <kpgetdim@plt>
  mov    0x0(%rbp),%rax
  lea    0x0(,%rax,4),%rdi
  mov    %rdi,0x0(%r13)
  imul   (%r12),%rdi
  call   <malloc@plt>
  mov    %rax,(%rbx)
  test   %rax,%rax
  je     L19
  push   $0x0
  push   $0x0
  mov    (%r12),%r9
  mov    0x0(%rbp),%r8
  mov    0x0(%r13),%rcx
  mov    %rax,%rdx
  mov    %r15,%rsi
  mov    %r14,%rdi
  call   <kprender@plt>
  add    $0x10,%rsp
  test   %rax,%rax
  js     L30
  mov    %r14,%rdi
  call   <free@plt>
  jmp    L32
L19:
  mov    %r14,%rdi
  call   <free@plt>
  jmp    L32
L30:
  mov    %r14,%rdi
  call   <free@plt>
  mov    (%rbx),%rdi
  call   <free@plt>
  movq   $0x0,(%rbx)
  jmp    L32
```

assistant: ```c
void kpzload(const char *filnam, long *pic, long *bpl, long *xsiz, long *ysiz) {
  char *buf;
  long leng;
  (*pic) = 0;
  if (!kzopen(filnam))
    return;
  leng = kzfilelength();
  buf = (char *)malloc(leng);
  if (!buf)
    return;
  kzread(buf, leng);
  kzclose();
  kpgetdim(buf, leng, xsiz, ysiz);
  (*bpl) = ((*xsiz) << 2);
  (*pic) = (long)malloc((*ysiz) * (*bpl));
  if (!(*pic)) {
    free(buf);
    return;
  }
  if (kprender(buf, leng, *pic, *bpl, *xsiz, *ysiz, 0, 0) < 0) {
    free(buf);
    free((void *)*pic);
    (*pic) = 0;
    return;
  }
  free(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
<kpzload>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  mov    %rdx,%r13
  push   %r12
  mov    %r8,%r12
  push   %rbp
  mov    %rcx,%rbp
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x8,%rsp
  movq   $0x0,(%rsi)
  call   <kzopen@plt>
  test   %eax,%eax
  jne    L27
L37:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   (%rax)
L27:
  xor    %eax,%eax
  call   <kzfilelength@plt>
  mov    %rax,%rdi
  mov    %rax,%r15
  call   <malloc@plt>
  mov    %rax,%r14
  test   %rax,%rax
  je     L37
  mov    %r15,%rsi
  mov    %rax,%rdi
  call   <kzread@plt>
  xor    %eax,%eax
  call   <kzclose@plt>
  mov    %rbp,%rdx
  mov    %r12,%rcx
  mov    %r15,%rsi
  mov    %r14,%rdi
  call   <kpgetdim@plt>
  mov    0x0(%rbp),%rax
  lea    0x0(,%rax,4),%rdi
  mov    %rdi,0x0(%r13)
  imul   (%r12),%rdi
  call   <malloc@plt>
  mov    %r14,%rdi
  mov    %rax,(%rbx)
  mov    %rax,%rdx
  test   %rax,%rax
  je     L13
  mov    0x0(%r13),%rcx
  mov    (%r12),%r9
  push   $0x0
  mov    %r15,%rsi
  push   $0x0
  mov    0x0(%rbp),%r8
  call   <kprender@plt>
  pop    %rdx
  mov    %r14,%rdi
  pop    %rcx
  test   %rax,%rax
  js     L39
L13:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    10c0 <free@plt>
  nopw   0x0(%rax,%rax,1)
L39:
  call   <free@plt>
  mov    (%rbx),%rdi
  call   <free@plt>
  movq   $0x0,(%rbx)
  jmp    L37
```

assistant: ```c
void kpzload(const char *filnam, long *pic, long *bpl, long *xsiz, long *ysiz) {
  char *buf;
  long leng;
  (*pic) = 0;
  if (!kzopen(filnam))
    return;
  leng = kzfilelength();
  buf = (char *)malloc(leng);
  if (!buf)
    return;
  kzread(buf, leng);
  kzclose();
  kpgetdim(buf, leng, xsiz, ysiz);
  (*bpl) = ((*xsiz) << 2);
  (*pic) = (long)malloc((*ysiz) * (*bpl));
  if (!(*pic)) {
    free(buf);
    return;
  }
  if (kprender(buf, leng, *pic, *bpl, *xsiz, *ysiz, 0, 0) < 0) {
    free(buf);
    free((void *)*pic);
    (*pic) = 0;
    return;
  }
  free(buf);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<kpzload>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  mov    %rdx,%r13
  push   %r12
  mov    %r8,%r12
  push   %rbp
  mov    %rcx,%rbp
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x8,%rsp
  movq   $0x0,(%rsi)
  call   <kzopen@plt>
  test   %eax,%eax
  jne    L46
L11:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   (%rax)
L46:
  xor    %eax,%eax
  call   <kzfilelength@plt>
  mov    %rax,%rdi
  mov    %rax,%r15
  call   <malloc@plt>
  mov    %rax,%r14
  test   %rax,%rax
  je     L11
  mov    %r15,%rsi
  mov    %rax,%rdi
  call   <kzread@plt>
  xor    %eax,%eax
  call   <kzclose@plt>
  mov    %rbp,%rdx
  mov    %r12,%rcx
  mov    %r15,%rsi
  mov    %r14,%rdi
  call   <kpgetdim@plt>
  mov    0x0(%rbp),%rax
  lea    0x0(,%rax,4),%rdi
  mov    %rdi,0x0(%r13)
  imul   (%r12),%rdi
  call   <malloc@plt>
  mov    %r14,%rdi
  mov    %rax,(%rbx)
  mov    %rax,%rdx
  test   %rax,%rax
  je     L35
  mov    0x0(%r13),%rcx
  mov    (%r12),%r9
  push   $0x0
  mov    %r15,%rsi
  push   $0x0
  mov    0x0(%rbp),%r8
  call   <kprender@plt>
  pop    %rdx
  mov    %r14,%rdi
  pop    %rcx
  test   %rax,%rax
  js     L3
L35:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    10c0 <free@plt>
  nopw   0x0(%rax,%rax,1)
L3:
  call   <free@plt>
  mov    (%rbx),%rdi
  call   <free@plt>
  movq   $0x0,(%rbx)
  jmp    L11
```

assistant: ```c
void kpzload(const char *filnam, long *pic, long *bpl, long *xsiz, long *ysiz) {
  char *buf;
  long leng;
  (*pic) = 0;
  if (!kzopen(filnam))
    return;
  leng = kzfilelength();
  buf = (char *)malloc(leng);
  if (!buf)
    return;
  kzread(buf, leng);
  kzclose();
  kpgetdim(buf, leng, xsiz, ysiz);
  (*bpl) = ((*xsiz) << 2);
  (*pic) = (long)malloc((*ysiz) * (*bpl));
  if (!(*pic)) {
    free(buf);
    return;
  }
  if (kprender(buf, leng, *pic, *bpl, *xsiz, *ysiz, 0, 0) < 0) {
    free(buf);
    free((void *)*pic);
    (*pic) = 0;
    return;
  }
  free(buf);
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<flush_8bits>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  jmp    L5
L18:
  mov    -0x28(%rbp),%rax
  mov    (%rax),%eax
  sub    $0x8,%eax
  mov    $0xff,%edx
  mov    %eax,%ecx
  shl    %cl,%edx
  mov    %edx,%eax
  not    %eax
  mov    %eax,-0x4(%rbp)
  mov    -0x18(%rbp),%rax
  mov    (%rax),%edx
  mov    -0x28(%rbp),%rax
  mov    (%rax),%eax
  sub    $0x8,%eax
  mov    %eax,%ecx
  shr    %cl,%edx
  mov    %edx,%eax
  mov    %al,-0x5(%rbp)
  mov    -0x20(%rbp),%rax
  mov    (%rax),%rax
  movzbl -0x5(%rbp),%edx
  mov    %dl,(%rax)
  mov    -0x20(%rbp),%rax
  mov    (%rax),%rax
  lea    0x1(%rax),%rdx
  mov    -0x20(%rbp),%rax
  mov    %rdx,(%rax)
  mov    -0x28(%rbp),%rax
  mov    (%rax),%eax
  lea    -0x8(%rax),%edx
  mov    -0x28(%rbp),%rax
  mov    %edx,(%rax)
  mov    -0x18(%rbp),%rax
  mov    (%rax),%eax
  and    -0x4(%rbp),%eax
  mov    %eax,%edx
  mov    -0x18(%rbp),%rax
  mov    %edx,(%rax)
L5:
  mov    -0x28(%rbp),%rax
  mov    (%rax),%eax
  cmp    $0x7,%eax
  jg     L18
  nop
  nop
  pop    %rbp
  ret
```

assistant: ```c
void flush_8bits(unsigned int *combine, unsigned char **output, int *bitptr) {
  while ((*bitptr) >= 8) {
    unsigned int mask = ~(0xFFU << ((*bitptr) - 8));
    unsigned char out = (unsigned char)((*combine) >> ((*bitptr) - 8));
    **output = out;
    (*output)++;
    (*bitptr) -= 8;
    (*combine) &= mask;
  }
}
```