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
<docheck>:
  endbr64
  push   %r12
  mov    %edx,%r12d
  and    $0x1,%edx
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  mov    %rsi,%rbx
  jne    L1
  test   %r12d,%r12d
  jle    L22
L8:
  sub    $0x1,%r12d
  mov    %rbx,%rsi
  mov    %rbp,%rax
  shr    %r12d
  lea    0x2(%rbx,%r12,2),%rdi
  nopl   (%rax)
L6:
  movzbl 0x1(%rsi),%edx
  movzbl (%rsi),%ecx
  add    $0x2,%rsi
  shl    $0x8,%edx
  or     %ecx,%edx
  movslq %edx,%rdx
  add    %rdx,%rax
  cmp    %rsi,%rdi
  jne    L6
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L1:
  lea    D7(%rip),%rsi
  mov    $0x1,%edi
  call   <error@plt>
  test   %r12d,%r12d
  jg     L8
L22:
  mov    %rbp,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

tool_calls: name: parse_data
arguments: tag: D7
type: string

tool: D7: We should never see an odd number of bytes in this app.


assistant: ```c
long docheck(long check, unsigned char *buf, int len) {
  int i;
  if (len & 1)
    error(1, "We should never see an odd number of bytes in this app.\n");
  for (i = 0; i < len; i += 2)
    check += (buf[i] << 0) | (buf[i + 1] << 8);
  return check;
}
```
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   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  lea    -0x9000(%rsp),%r11
L15:
  sub    $0x1000,%rsp
  orq    $0x0,(%rsp)
  cmp    %r11,%rsp
  jne    L15
  sub    $0xc60,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x9c58(%rsp)
  xor    %eax,%eax
  lea    0x8(%rsp),%rdx
  lea    0xc(%rsp),%rsi
  lea    D1(%rip),%rdi
  call   <scanf@plt>
  mov    $0x0,%r14d
  mov    $0x0,%r13d
  lea    D0(%rip),%r12
  cmpl   $0x0,0xc(%rsp)
  jg     L21
L133:
  lea    0x10(%rsp),%rdi
  mov    0x8(%rsp),%edx
  mov    $0x1,%esi
  call   <R_Sum@plt>
  mov    %eax,%ebp
  cmpl   $0x1,0xc(%rsp)
  jle    L3
  mov    $0x1,%ebx
  lea    0x10(%rsp),%r12
  jmp    L49
L121:
  lea    0x10(%rsp,%r14,4),%rbp
  mov    $0x0,%ebx
L150:
  mov    %rbp,%rsi
  mov    %r12,%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  add    $0x1,%ebx
  add    $0x4,%rbp
  cmp    %ebx,0x8(%rsp)
  jg     L150
L13:
  mov    $0xa,%edi
  call   <putchar@plt>
  add    $0x1,%r13d
  add    $0x64,%r14
  cmp    %r13d,0xc(%rsp)
  jle    L133
L21:
  cmpl   $0x0,0x8(%rsp)
  jg     L121
  jmp    L13
L86:
  cmp    0xc(%rsp),%ebx
  jge    L3
L49:
  add    $0x1,%ebx
  mov    0x8(%rsp),%edx
  mov    %ebx,%esi
  mov    %r12,%rdi
  call   <R_Sum@plt>
  cmp    %ebp,%eax
  jle    L86
  mov    0x8(%rsp),%edx
  mov    %ebx,%esi
  mov    %r12,%rdi
  call   <R_Sum@plt>
  mov    %eax,%ebp
  jmp    L86
L3:
  cmpl   $0x0,0xc(%rsp)
  jle    L18
  mov    $0x1,%ebx
  lea    D4(%rip),%r12
  jmp    L73
L100:
  add    $0x1,%ebx
  cmp    %ebx,0xc(%rsp)
  jl     L18
L73:
  lea    0x10(%rsp),%rdi
  mov    0x8(%rsp),%edx
  mov    %ebx,%esi
  call   <R_Sum@plt>
  cmp    %ebp,%eax
  jne    L100
  lea    -0x1(%rbx),%esi
  mov    %r12,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  jmp    L100
L18:
  mov    0x9c58(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L4
  mov    $0x0,%eax
  add    $0x9c60,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L4:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: data_tag: D1
datatype: string
name: unpack_data
arguments: data_tag: D0
datatype: string
name: unpack_data
arguments: data_tag: D4
datatype: string

tool: D1: %d %d


tool: D0: %d

tool: D4: %d 

assistant: ```c
int main() {
  int M[100][100], m, n, max, rmax;
  scanf("%d %d\n", &n, &m);
  for (int i = 0; i < n; i++) {
    for (int j = 0; j < m; j++) {
      scanf("%d", &M[i][j]);
    }
    printf("\n");
  }
  max = R_Sum(M, 1, m);
  for (int i = 1; i < n; i++) {
    if (max < R_Sum(M, (i + 1), m)) {
      max = R_Sum(M, (i + 1), m);
    }
  }
  for (int i = 1; i <= n; i++) {
    if (max == R_Sum(M, i, m))
      printf("%d ", (i - 1));
  }
  return 0;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<main>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  lea    -0x9000(%rsp),%r11
L31:
  sub    $0x1000,%rsp
  orq    $0x0,(%rsp)
  cmp    %r11,%rsp
  jne    L31
  sub    $0xc68,%rsp
  lea    D29(%rip),%rdi
  xor    %r15d,%r15d
  xor    %r14d,%r14d
  lea    D21(%rip),%r12
  mov    %fs:0x28,%rax
  mov    %rax,0x9c58(%rsp)
  xor    %eax,%eax
  lea    0x8(%rsp),%rdx
  lea    0xc(%rsp),%rsi
  lea    0x10(%rsp),%r13
  call   <scanf@plt>
  mov    0xc(%rsp),%edx
  test   %edx,%edx
  jle    L29
  nopl   0x0(%rax)
L90:
  mov    0x8(%rsp),%eax
  lea    0x0(%r13,%r15,4),%rbp
  xor    %ebx,%ebx
  test   %eax,%eax
  jle    L85
  nopw   0x0(%rax,%rax,1)
L145:
  mov    %rbp,%rsi
  mov    %r12,%rdi
  xor    %eax,%eax
  add    $0x1,%ebx
  call   <scanf@plt>
  add    $0x4,%rbp
  cmp    %ebx,0x8(%rsp)
  jg     L145
L85:
  mov    $0xa,%edi
  add    $0x1,%r14d
  add    $0x64,%r15
  call   <putchar@plt>
  cmp    %r14d,0xc(%rsp)
  jg     L90
L29:
  mov    0x8(%rsp),%edx
  mov    $0x1,%esi
  mov    %r13,%rdi
  call   <R_Sum@plt>
  mov    %eax,%ebp
  mov    0xc(%rsp),%eax
  cmp    $0x1,%eax
  jle    L67
  mov    $0x1,%ebx
  jmp    L93
  cs nopw 0x0(%rax,%rax,1)
L52:
  mov    0xc(%rsp),%eax
  cmp    %eax,%ebx
  jge    L67
L93:
  add    $0x1,%ebx
  mov    0x8(%rsp),%edx
  mov    %r13,%rdi
  mov    %ebx,%esi
  call   <R_Sum@plt>
  cmp    %ebp,%eax
  jle    L52
  mov    0x8(%rsp),%edx
  mov    %ebx,%esi
  mov    %r13,%rdi
  call   <R_Sum@plt>
  mov    %eax,%ebp
  mov    0xc(%rsp),%eax
  cmp    %eax,%ebx
  jl     L93
L67:
  mov    $0x1,%ebx
  lea    D15(%rip),%r12
  test   %eax,%eax
  jg     L126
  jmp    L101
  nopw   0x0(%rax,%rax,1)
L3:
  add    $0x1,%ebx
  cmp    %ebx,0xc(%rsp)
  jl     L101
L126:
  mov    0x8(%rsp),%edx
  mov    %ebx,%esi
  mov    %r13,%rdi
  call   <R_Sum@plt>
  cmp    %ebp,%eax
  jne    L3
  lea    -0x1(%rbx),%esi
  mov    %r12,%rdi
  xor    %eax,%eax
  add    $0x1,%ebx
  call   <printf@plt>
  cmp    %ebx,0xc(%rsp)
  jge    L126
  nopl   0x0(%rax)
L101:
  mov    0x9c58(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L150
  add    $0x9c68,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L150:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: tag: D29
type: string
name: extract_symbolic_data
arguments: tag: D21
type: string
name: extract_symbolic_data
arguments: tag: D15
type: string

tool: D29: %d %d


tool: D21: %d

tool: D15: %d 

assistant: ```c
int main() {
  int M[100][100], m, n, max, rmax;
  scanf("%d %d\n", &n, &m);
  for (int i = 0; i < n; i++) {
    for (int j = 0; j < m; j++) {
      scanf("%d", &M[i][j]);
    }
    printf("\n");
  }
  max = R_Sum(M, 1, m);
  for (int i = 1; i < n; i++) {
    if (max < R_Sum(M, (i + 1), m)) {
      max = R_Sum(M, (i + 1), m);
    }
  }
  for (int i = 1; i <= n; i++) {
    if (max == R_Sum(M, i, m))
      printf("%d ", (i - 1));
  }
  return 0;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<main>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  lea    -0x9000(%rsp),%r11
L57:
  sub    $0x1000,%rsp
  orq    $0x0,(%rsp)
  cmp    %r11,%rsp
  jne    L57
  sub    $0xc68,%rsp
  lea    D6(%rip),%rdi
  xor    %r15d,%r15d
  xor    %r14d,%r14d
  lea    D4(%rip),%r12
  mov    %fs:0x28,%rax
  mov    %rax,0x9c58(%rsp)
  xor    %eax,%eax
  lea    0x8(%rsp),%rdx
  lea    0xc(%rsp),%rsi
  lea    0x10(%rsp),%r13
  call   <scanf@plt>
  mov    0xc(%rsp),%edx
  test   %edx,%edx
  jle    L73
  nopl   0x0(%rax)
L39:
  mov    0x8(%rsp),%eax
  lea    0x0(%r13,%r15,4),%rbp
  xor    %ebx,%ebx
  test   %eax,%eax
  jle    L159
  nopw   0x0(%rax,%rax,1)
L47:
  mov    %rbp,%rsi
  mov    %r12,%rdi
  xor    %eax,%eax
  add    $0x1,%ebx
  call   <scanf@plt>
  add    $0x4,%rbp
  cmp    %ebx,0x8(%rsp)
  jg     L47
L159:
  mov    $0xa,%edi
  add    $0x1,%r14d
  add    $0x64,%r15
  call   <putchar@plt>
  cmp    %r14d,0xc(%rsp)
  jg     L39
L73:
  mov    0x8(%rsp),%edx
  mov    $0x1,%esi
  mov    %r13,%rdi
  call   <R_Sum@plt>
  mov    %eax,%ebp
  mov    0xc(%rsp),%eax
  cmp    $0x1,%eax
  jle    L147
  mov    $0x1,%ebx
  nopl   0x0(%rax)
L126:
  add    $0x1,%ebx
  mov    0x8(%rsp),%edx
  mov    %r13,%rdi
  mov    %ebx,%esi
  call   <R_Sum@plt>
  cmp    %ebp,%eax
  jg     L140
  mov    0xc(%rsp),%eax
  cmp    %eax,%ebx
  jl     L126
L147:
  mov    $0x1,%ebx
  lea    D25(%rip),%r12
  test   %eax,%eax
  jle    L56
  nopl   (%rax)
L111:
  mov    0x8(%rsp),%edx
  mov    %ebx,%esi
  mov    %r13,%rdi
  call   <R_Sum@plt>
  cmp    %ebp,%eax
  je     L27
  add    $0x1,%ebx
  cmp    %ebx,0xc(%rsp)
  jge    L111
L56:
  mov    0x9c58(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L110
  add    $0x9c68,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopw   0x0(%rax,%rax,1)
L140:
  mov    0x8(%rsp),%edx
  mov    %ebx,%esi
  mov    %r13,%rdi
  call   <R_Sum@plt>
  mov    %eax,%ebp
  mov    0xc(%rsp),%eax
  cmp    %eax,%ebx
  jl     L126
  jmp    L147
  xchg   %ax,%ax
L27:
  lea    -0x1(%rbx),%esi
  mov    %r12,%rdi
  xor    %eax,%eax
  add    $0x1,%ebx
  call   <printf@plt>
  cmp    %ebx,0xc(%rsp)
  jge    L111
  jmp    L56
L110:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: data_label: D6
type_guessed: string
name: retrieve_data
arguments: data_label: D4
type_guessed: string
name: retrieve_data
arguments: data_label: D25
type_guessed: string

tool: D6: %d %d


tool: D4: %d

tool: D25: %d 

assistant: ```c
int main() {
  int M[100][100], m, n, max, rmax;
  scanf("%d %d\n", &n, &m);
  for (int i = 0; i < n; i++) {
    for (int j = 0; j < m; j++) {
      scanf("%d", &M[i][j]);
    }
    printf("\n");
  }
  max = R_Sum(M, 1, m);
  for (int i = 1; i < n; i++) {
    if (max < R_Sum(M, (i + 1), m)) {
      max = R_Sum(M, (i + 1), m);
    }
  }
  for (int i = 1; i <= n; i++) {
    if (max == R_Sum(M, i, m))
      printf("%d ", (i - 1));
  }
  return 0;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<test_Endian>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movq   $0x64636261,-0x20(%rbp)
  lea    D14(%rip),%rax
  mov    %rax,-0x18(%rbp)
  movl   $0x0,-0x24(%rbp)
  jmp    L17
L22:
  mov    -0x24(%rbp),%edx
  lea    -0x20(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <Endian_invariant@plt>
  movzbl (%rax),%eax
  mov    %al,-0x25(%rbp)
  mov    -0x18(%rbp),%rdx
  mov    -0x24(%rbp),%eax
  cltq
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    %al,-0x25(%rbp)
  sete   %al
  movzbl %al,%eax
  lea    D9(%rip),%rdx
  mov    %rdx,%rcx
  mov    $0x12,%edx
  lea    D11(%rip),%rsi
  mov    %eax,%edi
  call   <passfail@plt>
  addl   $0x1,-0x24(%rbp)
L17:
  cmpl   $0x3,-0x24(%rbp)
  jle    L22
  nop
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L3
  call   <__stack_chk_fail@plt>
L3:
  leave
  ret
```

tool_calls: name: read_data
arguments: data_label: D14
type_infered: string
name: read_data
arguments: data_label: D9
type_infered: string
name: read_data
arguments: data_label: D11
type_infered: string

tool: D14: abcd

tool: D9: Endian invariant byte indexing

tool: D11: /scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/jlettvin/Unicode/refs/heads/master/c/test_Endian.c

assistant: ```c
void test_Endian() {
  struct {
    unsigned long wide;
    char *thin;
  } d = {0x64636261, "abcd"};
  for (int i = 0; i < 4; ++i) {
    char c = *(char *)Endian_invariant(&d.wide, i);
    passfail(c == d.thin[i], "/scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/jlettvin/Unicode/refs/heads/master/c/test_Endian.c", 18, "Endian invariant byte indexing");
  }
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<test_Endian>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  movq   $0x64636261,(%rsp)
  lea    D24(%rip),%rax
  mov    %rax,0x8(%rsp)
  mov    $0x0,%ebx
  mov    %rsp,%r13
  lea    D25(%rip),%r12
  lea    D14(%rip),%rbp
L16:
  mov    %ebx,%esi
  mov    %r13,%rdi
  call   <Endian_invariant@plt>
  mov    0x8(%rsp),%rdx
  movzbl (%rax),%eax
  cmp    %al,(%rdx,%rbx,1)
  sete   %dil
  movzbl %dil,%edi
  mov    %r12,%rcx
  mov    $0x12,%edx
  mov    %rbp,%rsi
  call   <passfail@plt>
  add    $0x1,%rbx
  cmp    $0x4,%rbx
  jne    L16
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L14
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L14:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: label: D24
type_infered: string
name: disassemble_data
arguments: label: D25
type_infered: string
name: disassemble_data
arguments: label: D14
type_infered: string

tool: D24: abcd

tool: D25: Endian invariant byte indexing

tool: D14: /scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/jlettvin/Unicode/refs/heads/master/c/test_Endian.c

assistant: ```c
void test_Endian() {
  struct {
    unsigned long wide;
    char *thin;
  } d = {0x64636261, "abcd"};
  for (int i = 0; i < 4; ++i) {
    char c = *(char *)Endian_invariant(&d.wide, i);
    passfail(c == d.thin[i], "/scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/jlettvin/Unicode/refs/heads/master/c/test_Endian.c", 18, "Endian invariant byte indexing");
  }
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<test_Endian>:
  endbr64
  push   %r13
  push   %r12
  lea    D10(%rip),%r12
  push   %rbp
  lea    D29(%rip),%rbp
  push   %rbx
  xor    %ebx,%ebx
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  lea    D26(%rip),%rax
  movq   $0x64636261,(%rsp)
  mov    %rsp,%r13
  mov    %rax,0x8(%rsp)
L14:
  mov    %ebx,%esi
  mov    %r13,%rdi
  call   <Endian_invariant@plt>
  mov    0x8(%rsp),%rdx
  xor    %edi,%edi
  mov    %r12,%rcx
  movzbl (%rax),%eax
  mov    %rbp,%rsi
  cmp    %al,(%rdx,%rbx,1)
  mov    $0x12,%edx
  sete   %dil
  add    $0x1,%rbx
  call   <passfail@plt>
  cmp    $0x4,%rbx
  jne    L14
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L16
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L16:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: tag: D10
type_infered: string
name: retrieve_data
arguments: tag: D29
type_infered: string
name: retrieve_data
arguments: tag: D26
type_infered: string

tool: D10: Endian invariant byte indexing

tool: D29: /scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/jlettvin/Unicode/refs/heads/master/c/test_Endian.c

tool: D26: abcd

assistant: ```c
void test_Endian() {
  struct {
    unsigned long wide;
    char *thin;
  } d = {0x64636261, "abcd"};
  for (int i = 0; i < 4; ++i) {
    char c = *(char *)Endian_invariant(&d.wide, i);
    passfail(c == d.thin[i], "/scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/jlettvin/Unicode/refs/heads/master/c/test_Endian.c", 18, "Endian invariant byte indexing");
  }
}
```
user: Translate the below assembly code into C programming language:

```asm
<test_Endian>:
  endbr64
  push   %r13
  push   %r12
  lea    D2(%rip),%r12
  push   %rbp
  lea    D27(%rip),%rbp
  push   %rbx
  xor    %ebx,%ebx
  sub    $0x28,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  lea    D26(%rip),%rax
  movq   $0x64636261,(%rsp)
  mov    %rsp,%r13
  mov    %rax,0x8(%rsp)
L11:
  mov    %ebx,%esi
  mov    %r13,%rdi
  call   <Endian_invariant@plt>
  mov    0x8(%rsp),%rdx
  xor    %edi,%edi
  mov    %r12,%rcx
  movzbl (%rax),%eax
  mov    %rbp,%rsi
  cmp    %al,(%rdx,%rbx,1)
  mov    $0x12,%edx
  sete   %dil
  add    $0x1,%rbx
  call   <passfail@plt>
  cmp    $0x4,%rbx
  jne    L11
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L4
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L4:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: data_tag: D2
type: string
name: parse_data
arguments: data_tag: D27
type: string
name: parse_data
arguments: data_tag: D26
type: string

tool: D2: Endian invariant byte indexing

tool: D27: /scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/jlettvin/Unicode/refs/heads/master/c/test_Endian.c

tool: D26: abcd

assistant: ```c
void test_Endian() {
  struct {
    unsigned long wide;
    char *thin;
  } d = {0x64636261, "abcd"};
  for (int i = 0; i < 4; ++i) {
    char c = *(char *)Endian_invariant(&d.wide, i);
    passfail(c == d.thin[i], "/scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/jlettvin/Unicode/refs/heads/master/c/test_Endian.c", 18, "Endian invariant byte indexing");
  }
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<check_ipmask>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %edi,%r12d
  mov    %rsi,%rbp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  movl   $0x0,(%rsp)
  lea    0xc(%rsp),%rcx
  lea    0x8(%rsp),%rdx
  sub    $0x8,%rsp
  lea    0x8(%rsp),%rax
  push   %rax
  lea    0x24(%rsp),%r9
  lea    0x20(%rsp),%r8
  lea    D26(%rip),%rsi
  mov    %rbp,%rdi
  mov    $0x0,%eax
  call   <sscanf@plt>
  mov    %eax,%edx
  add    $0x10,%rsp
  mov    $0x0,%eax
  cmp    $0x4,%edx
  jne    L79
  mov    $0x0,%ebx
  mov    (%rsp),%edi
  test   %edi,%edi
  jne    L41
L79:
  mov    0x18(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L22
  add    $0x28,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L41:
  mov    0x8(%rsp),%al
  mov    0xc(%rsp),%ecx
  mov    %cl,%ah
  movzbl 0x10(%rsp),%edx
  shl    $0x10,%edx
  movzwl %ax,%r13d
  movzbl 0x14(%rsp),%eax
  shl    $0x18,%eax
  or     %edx,%r13d
  or     %eax,%r13d
  lea    0xc(%rsp),%rcx
  lea    0x8(%rsp),%rdx
  mov    %edi,%edi
  add    %rbp,%rdi
  lea    0x14(%rsp),%r9
  lea    0x10(%rsp),%r8
  lea    D20(%rip),%rsi
  mov    $0x0,%eax
  call   <sscanf@plt>
  cmp    $0x4,%eax
  je     L46
  lea    0x4(%rsp),%rdx
  mov    (%rsp),%eax
  lea    0x0(%rbp,%rax,1),%rdi
  lea    D22(%rip),%rsi
  mov    $0x0,%eax
  call   <sscanf@plt>
  mov    %eax,%edx
  mov    $0x0,%eax
  cmp    $0x1,%edx
  jne    L79
  movl   $0x0,(%rsp)
  mov    0x4(%rsp),%edx
  test   %edx,%edx
  je     L57
  mov    $0x0,%ebx
L71:
  shr    %ebx
  or     $0x80000000,%ebx
  add    $0x1,%eax
  cmp    %edx,%eax
  jne    L71
  mov    %edx,(%rsp)
  jmp    L57
L46:
  mov    0x8(%rsp),%bl
  mov    0xc(%rsp),%eax
  mov    %al,%bh
  movzbl 0x10(%rsp),%edx
  shl    $0x10,%edx
  movzwl %bx,%edi
  movzbl 0x14(%rsp),%eax
  shl    $0x18,%eax
  or     %edx,%edi
  or     %eax,%edi
  call   <ntohl@plt>
  mov    %eax,%ebx
L57:
  mov    %r12d,%edi
  call   <ntohl@plt>
  mov    %eax,%ebp
  mov    %r13d,%edi
  call   <ntohl@plt>
  xor    %eax,%ebp
  test   %ebx,%ebp
  sete   %al
  movzbl %al,%eax
  jmp    L79
L22:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: data_tag: D26
type_infered: string
name: parse_data
arguments: data_tag: D20
type_infered: string
name: parse_data
arguments: data_tag: D22
type_infered: string

tool: D26: %d.%d.%d.%d/%n

tool: D20: %d.%d.%d.%d

tool: D22: %d

assistant: ```c
int check_ipmask(unsigned int ip, const unsigned char *str) {
  unsigned int mask = 0, i = 0, m, ip2, a0, a1, a2, a3;
  unsigned char *p = (unsigned char *)&ip2, *p2 = (unsigned char *)&mask;
  if (sscanf(str, "%d.%d.%d.%d/%n", &a0, &a1, &a2, &a3, &i) != 4 || i == 0)
    return 0;
  p[0] = a0;
  p[1] = a1;
  p[2] = a2;
  p[3] = a3;
  if (sscanf(str + i, "%d.%d.%d.%d", &a0, &a1, &a2, &a3) == 4) {
    p2[0] = a0;
    p2[1] = a1;
    p2[2] = a2;
    p2[3] = a3;
    mask = ntohl(mask);
  } else if (sscanf(str + i, "%d", &m) == 1) {
    for (i = 0; i < m; i++)
      mask = (mask >> 1) | 0x80000000;
  } else
    return 0;
  return ((ntohl(ip) & mask) == (ntohl(ip2) & mask));
}
```
user: Translate the below assembly code into C programming language:

```asm
<strstr>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <__tokencap_is_ro@plt>
  test   %rax,%rax
  je     L46
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %eax,%ecx
  mov    -0x18(%rbp),%rax
  mov    $0x1,%edx
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <__tokencap_dump@plt>
L46:
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <__tokencap_is_ro@plt>
  test   %rax,%rax
  je     L22
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %eax,%ecx
  mov    -0x20(%rbp),%rax
  mov    $0x1,%edx
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <__tokencap_dump@plt>
L22:
  mov    -0x20(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  jmp    L7
L68:
  addq   $0x1,-0x10(%rbp)
  addq   $0x1,-0x8(%rbp)
L7:
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L24
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L24
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%edx
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  cmp    %al,%dl
  je     L68
L24:
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L27
  mov    -0x18(%rbp),%rax
  jmp    L58
L27:
  mov    -0x18(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  movzbl (%rax),%eax
  test   %al,%al
  jne    L22
  mov    $0x0,%eax
L58:
  leave
  ret
```

assistant: ```c
char *strstr(const char *haystack, const char *needle) {
  if (__tokencap_is_ro(haystack))
    __tokencap_dump(haystack, strlen(haystack), 1);
  if (__tokencap_is_ro(needle))
    __tokencap_dump(needle, strlen(needle), 1);
  do {
    const char *n = needle;
    const char *h = haystack;
    while (*n && *h && *n == *h)
      n++, h++;
    if (!*n)
      return (char *)haystack;
  } while (*(haystack++));
  return 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<strstr>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbx
  mov    %rsi,%rbp
  call   <__tokencap_is_ro@plt>
  test   %rax,%rax
  jne    L57
L8:
  mov    %rbp,%rdi
  call   <__tokencap_is_ro@plt>
  test   %rax,%rax
  jne    L1
L64:
  movzbl 0x0(%rbp),%esi
  jmp    L67
L57:
  mov    %rbx,%rdi
  call   <strlen@plt>
  mov    %eax,%esi
  mov    $0x1,%edx
  mov    %rbx,%rdi
  call   <__tokencap_dump@plt>
  jmp    L8
L1:
  mov    %rbp,%rdi
  call   <strlen@plt>
  mov    %eax,%esi
  mov    $0x1,%edx
  mov    %rbp,%rdi
  call   <__tokencap_dump@plt>
  jmp    L64
L85:
  test   %dl,%dl
  je     L10
  add    $0x1,%rbx
  cmpb   $0x0,-0x1(%rbx)
  je     L48
L67:
  test   %sil,%sil
  je     L10
  mov    %esi,%edx
  mov    $0x0,%eax
L81:
  movzbl (%rbx,%rax,1),%ecx
  cmp    %dl,%cl
  jne    L85
  test   %cl,%cl
  je     L85
  add    $0x1,%rax
  movzbl 0x0(%rbp,%rax,1),%edx
  test   %dl,%dl
  jne    L81
L10:
  mov    %rbx,%rax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
L48:
  mov    $0x0,%ebx
  jmp    L10
```

assistant: ```c
char *strstr(const char *haystack, const char *needle) {
  if (__tokencap_is_ro(haystack))
    __tokencap_dump(haystack, strlen(haystack), 1);
  if (__tokencap_is_ro(needle))
    __tokencap_dump(needle, strlen(needle), 1);
  do {
    const char *n = needle;
    const char *h = haystack;
    while (*n && *h && *n == *h)
      n++, h++;
    if (!*n)
      return (char *)haystack;
  } while (*(haystack++));
  return 0;
}
```