ylfeng/ReF-Decompile-dataset huggingface dataset:
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    D4(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    -0xc(%rbp),%rax
  mov    %rax,%rsi
  lea    D16(%rip),%rax
  mov    %rax,%rdi
  call   <scanf@plt>
  mov    -0xc(%rbp),%eax
  mov    %eax,%esi
  lea    D21(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L4
  call   <__stack_chk_fail@plt>
L4:
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: data_tag: D4
type_infered: string
name: retrieve_data
arguments: data_tag: D16
type_infered: string
name: retrieve_data
arguments: data_tag: D21
type_infered: string

tool: D4: Digite um numero: 

tool: D16: %d

tool: D21: O numero digitado foi o %d


assistant: ```c
int main() {
  int num;
  printf("Digite um numero: ");
  scanf("%d", &num);
  printf("O numero digitado foi o %d\n", num);
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<main>:
  endbr64
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    D15(%rip),%rdi
  call   <printf@plt>
  lea    0x4(%rsp),%rsi
  lea    D10(%rip),%rdi
  call   <scanf@plt>
  mov    0x4(%rsp),%esi
  lea    D19(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L8
  mov    $0x0,%eax
  add    $0x18,%rsp
  ret
L8:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: data_tag: D15
type_guessed: string
name: retrieve_data
arguments: data_tag: D10
type_guessed: string
name: retrieve_data
arguments: data_tag: D19
type_guessed: string

tool: D15: Digite um numero: 

tool: D10: %d

tool: D19: O numero digitado foi o %d


assistant: ```c
int main() {
  int num;
  printf("Digite um numero: ");
  scanf("%d", &num);
  printf("O numero digitado foi o %d\n", num);
  return 0;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<main>:
  endbr64
  sub    $0x18,%rsp
  lea    D6(%rip),%rdi
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  call   <printf@plt>
  lea    0x4(%rsp),%rsi
  lea    D21(%rip),%rdi
  call   <scanf@plt>
  mov    0x4(%rsp),%esi
  xor    %eax,%eax
  lea    D29(%rip),%rdi
  call   <printf@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L3
  xor    %eax,%eax
  add    $0x18,%rsp
  ret
L3:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: tag: D6
data_type: string
name: extract_symbolic_data
arguments: tag: D21
data_type: string
name: extract_symbolic_data
arguments: tag: D29
data_type: string

tool: D6: Digite um numero: 

tool: D21: %d

tool: D29: O numero digitado foi o %d


assistant: ```c
int main() {
  int num;
  printf("Digite um numero: ");
  scanf("%d", &num);
  printf("O numero digitado foi o %d\n", num);
  return 0;
}
```
user: What is the c source code of the assembly code below?

```asm
<main>:
  endbr64
  sub    $0x18,%rsp
  lea    D9(%rip),%rdi
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  call   <printf@plt>
  lea    0x4(%rsp),%rsi
  lea    D7(%rip),%rdi
  call   <scanf@plt>
  mov    0x4(%rsp),%esi
  xor    %eax,%eax
  lea    D29(%rip),%rdi
  call   <printf@plt>
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L6
  xor    %eax,%eax
  add    $0x18,%rsp
  ret
L6:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: data_label: D9
type: string
name: retrieve_data
arguments: data_label: D7
type: string
name: retrieve_data
arguments: data_label: D29
type: string

tool: D9: Digite um numero: 

tool: D7: %d

tool: D29: O numero digitado foi o %d


assistant: ```c
int main() {
  int num;
  printf("Digite um numero: ");
  scanf("%d", &num);
  printf("O numero digitado foi o %d\n", num);
  return 0;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %edi,-0x24(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movl   $0x1,-0x1c(%rbp)
  jmp    L15
L29:
  mov    -0x30(%rbp),%rax
  mov    (%rax),%rdx
  mov    -0x1c(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rcx
  mov    -0x30(%rbp),%rax
  add    %rcx,%rax
  mov    (%rax),%rax
  lea    -0x18(%rbp),%rsi
  mov    %rdx,%rcx
  mov    $0x0,%edx
  mov    %rax,%rdi
  call   <readentire@plt>
  mov    %rax,-0x10(%rbp)
  cmpq   $0x0,-0x10(%rbp)
  je     L8
  mov    -0x1c(%rbp),%eax
  cltq
  lea    0x0(,%rax,8),%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  mov    %rax,%rsi
  lea    D2(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    -0x18(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <dumpdata@plt>
  mov    -0x10(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
L8:
  addl   $0x1,-0x1c(%rbp)
L15:
  mov    -0x1c(%rbp),%eax
  cmp    -0x24(%rbp),%eax
  jl     L29
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L19
  call   <__stack_chk_fail@plt>
L19:
  leave
  ret
```

tool_calls: name: parse_data
arguments: data_tag: D2
data_type: string

tool: D2: %s:


assistant: ```c
int main(int argc, char *argv[]) {
  int i;
  unsigned char *buff;
  size_t size;
  for (i = 1; i < argc; i++) {
    if ((buff = readentire(argv[i], &size, 0, argv[0])) != NULL) {
      printf("%s:\n", argv[i]);
      dumpdata(buff, size);
      free(buff);
    }
  }
  return 0;
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<main>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x10,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  cmp    $0x1,%edi
  jle    L37
  mov    %rsi,%r12
  lea    0x8(%rsi),%rbp
  lea    -0x2(%rdi),%eax
  lea    0x10(%rsi,%rax,8),%r13
  lea    D8(%rip),%r14
  jmp    L34
L4:
  add    $0x8,%rbp
  cmp    %r13,%rbp
  je     L37
L34:
  mov    %rsp,%rsi
  mov    (%r12),%rcx
  mov    $0x0,%edx
  mov    0x0(%rbp),%rdi
  call   <readentire@plt>
  mov    %rax,%rbx
  test   %rax,%rax
  je     L4
  mov    0x0(%rbp),%rsi
  mov    %r14,%rdi
  call   <printf@plt>
  mov    (%rsp),%rsi
  mov    %rbx,%rdi
  call   <dumpdata@plt>
  mov    %rbx,%rdi
  call   <free@plt>
  jmp    L4
L37:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L13
  mov    $0x0,%eax
  add    $0x10,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L13:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: data_tag: D8
type_guessed: string

tool: D8: %s:


assistant: ```c
int main(int argc, char *argv[]) {
  int i;
  unsigned char *buff;
  size_t size;
  for (i = 1; i < argc; i++) {
    if ((buff = readentire(argv[i], &size, 0, argv[0])) != NULL) {
      printf("%s:\n", argv[i]);
      dumpdata(buff, size);
      free(buff);
    }
  }
  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   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  cmp    $0x1,%edi
  jle    L11
  lea    -0x2(%rdi),%eax
  mov    %rsi,%rbx
  lea    0x8(%rsi),%r15
  mov    %rsp,%r12
  lea    0x10(%rsi,%rax,8),%r13
  lea    D0(%rip),%r14
L23:
  mov    (%rbx),%rcx
  mov    (%r15),%rdi
  xor    %edx,%edx
  mov    %r12,%rsi
  call   <readentire@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  je     L19
  mov    (%r15),%rsi
  mov    %r14,%rdi
  call   <printf@plt>
  mov    (%rsp),%rsi
  mov    %rbp,%rdi
  call   <dumpdata@plt>
  mov    %rbp,%rdi
  call   <free@plt>
L19:
  add    $0x8,%r15
  cmp    %r13,%r15
  jne    L23
L11:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L3
  add    $0x18,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L3:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: label: D0
datatype: string

tool: D0: %s:


assistant: ```c
int main(int argc, char *argv[]) {
  int i;
  unsigned char *buff;
  size_t size;
  for (i = 1; i < argc; i++) {
    if ((buff = readentire(argv[i], &size, 0, argv[0])) != NULL) {
      printf("%s:\n", argv[i]);
      dumpdata(buff, size);
      free(buff);
    }
  }
  return 0;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<main>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  cmp    $0x1,%edi
  jle    L1
  lea    -0x2(%rdi),%eax
  mov    %rsi,%rbx
  lea    0x8(%rsi),%r15
  mov    %rsp,%r12
  lea    0x10(%rsi,%rax,8),%r13
  lea    D9(%rip),%r14
L32:
  mov    (%rbx),%rcx
  mov    (%r15),%rdi
  xor    %edx,%edx
  mov    %r12,%rsi
  call   <readentire@plt>
  mov    %rax,%rbp
  test   %rax,%rax
  je     L0
  mov    (%r15),%rsi
  mov    %r14,%rdi
  call   <printf@plt>
  mov    (%rsp),%rsi
  mov    %rbp,%rdi
  call   <dumpdata@plt>
  mov    %rbp,%rdi
  call   <free@plt>
L0:
  add    $0x8,%r15
  cmp    %r13,%r15
  jne    L32
L1:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L10
  add    $0x18,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L10:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: data_tag: D9
type_guessed: string

tool: D9: %s:


assistant: ```c
int main(int argc, char *argv[]) {
  int i;
  unsigned char *buff;
  size_t size;
  for (i = 1; i < argc; i++) {
    if ((buff = readentire(argv[i], &size, 0, argv[0])) != NULL) {
      printf("%s:\n", argv[i]);
      dumpdata(buff, size);
      free(buff);
    }
  }
  return 0;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<VigenereGetKey>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  mov    -0x1c(%rbp),%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x8(%rbp)
  movl   $0xffffffff,-0xc(%rbp)
  jmp    L13
L2:
  cmpb   $0x40,-0xd(%rbp)
  jle    L35
  cmpb   $0x5a,-0xd(%rbp)
  jle    L38
L35:
  cmpb   $0x60,-0xd(%rbp)
  jle    L13
  cmpb   $0x7a,-0xd(%rbp)
  jg     L13
L38:
  addl   $0x1,-0xc(%rbp)
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%rax
  add    %rax,%rdx
  movzbl -0xd(%rbp),%eax
  mov    %al,(%rdx)
  mov    -0x1c(%rbp),%eax
  sub    $0x1,%eax
  cmp    %eax,-0xc(%rbp)
  je     L76
L13:
  mov    $0x0,%eax
  call   <getchar@plt>
  mov    %al,-0xd(%rbp)
  cmpb   $0xa,-0xd(%rbp)
  jne    L2
  jmp    L33
L76:
  nop
L33:
  mov    -0xc(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    -0x18(%rbp),%rax
  mov    %edx,(%rax)
  mov    -0x8(%rbp),%rax
  leave
  ret
```

assistant: ```c
char *VigenereGetKey(int *keysize, int maxKeySize) {
  char *key = malloc(maxKeySize * sizeof(char));
  char ch;
  int position = -1;
  while ((ch = getchar()) != '\n') {
    if ((ch >= 'A' && ch <= 'Z') || (ch >= 'a' && ch <= 'z')) {
      position++;
      key[position] = ch;
      if (position == maxKeySize - 1)
        break;
    }
  }
  *keysize = position + 1;
  return (key);
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<VigenereGetKey>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%r13
  mov    %esi,%ebx
  mov    %esi,%edi
  call   <malloc@plt>
  mov    %rax,%r12
  mov    %rax,%r14
  mov    $0xffffffff,%ebp
  sub    $0x1,%ebx
L17:
  mov    $0x0,%eax
  call   <getchar@plt>
  cmp    $0xa,%al
  je     L7
  mov    %eax,%edx
  and    $0xffffffdf,%edx
  sub    $0x41,%edx
  cmp    $0x19,%dl
  ja     L17
  add    $0x1,%ebp
  mov    %al,(%r14)
  add    $0x1,%r14
  cmp    %ebp,%ebx
  jne    L17
L7:
  add    $0x1,%ebp
  mov    %ebp,0x0(%r13)
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

assistant: ```c
char *VigenereGetKey(int *keysize, int maxKeySize) {
  char *key = malloc(maxKeySize * sizeof(char));
  char ch;
  int position = -1;
  while ((ch = getchar()) != '\n') {
    if ((ch >= 'A' && ch <= 'Z') || (ch >= 'a' && ch <= 'z')) {
      position++;
      key[position] = ch;
      if (position == maxKeySize - 1)
        break;
    }
  }
  *keysize = position + 1;
  return (key);
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<VigenereGetKey>:
  endbr64
  push   %r14
  push   %r13
  mov    %rdi,%r13
  mov    %esi,%edi
  push   %r12
  push   %rbp
  mov    $0xffffffff,%ebp
  push   %rbx
  mov    %esi,%ebx
  sub    $0x1,%ebx
  call   <malloc@plt>
  mov    %rax,%r12
  mov    %rax,%r14
  jmp    L40
  nopl   0x0(%rax,%rax,1)
L25:
  mov    %eax,%edx
  and    $0xffffffdf,%edx
  sub    $0x41,%edx
  cmp    $0x19,%dl
  jbe    L17
L40:
  xor    %eax,%eax
  call   <getchar@plt>
  cmp    $0xa,%al
  jne    L25
L33:
  add    $0x1,%ebp
  pop    %rbx
  mov    %r12,%rax
  mov    %ebp,0x0(%r13)
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   0x0(%rax,%rax,1)
L17:
  add    $0x1,%ebp
  mov    %al,(%r14)
  add    $0x1,%r14
  cmp    %ebp,%ebx
  jne    L40
  jmp    L33
```

assistant: ```c
char *VigenereGetKey(int *keysize, int maxKeySize) {
  char *key = malloc(maxKeySize * sizeof(char));
  char ch;
  int position = -1;
  while ((ch = getchar()) != '\n') {
    if ((ch >= 'A' && ch <= 'Z') || (ch >= 'a' && ch <= 'z')) {
      position++;
      key[position] = ch;
      if (position == maxKeySize - 1)
        break;
    }
  }
  *keysize = position + 1;
  return (key);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<VigenereGetKey>:
  endbr64
  push   %r14
  push   %r13
  mov    %rdi,%r13
  mov    %esi,%edi
  push   %r12
  push   %rbp
  mov    $0xffffffff,%ebp
  push   %rbx
  mov    %esi,%ebx
  sub    $0x1,%ebx
  call   <malloc@plt>
  mov    %rax,%r12
  mov    %rax,%r14
  jmp    L21
  nopl   0x0(%rax,%rax,1)
L48:
  mov    %eax,%edx
  and    $0xffffffdf,%edx
  sub    $0x41,%edx
  cmp    $0x19,%dl
  jbe    L17
L21:
  xor    %eax,%eax
  call   <getchar@plt>
  cmp    $0xa,%al
  jne    L48
L24:
  add    $0x1,%ebp
  pop    %rbx
  mov    %r12,%rax
  mov    %ebp,0x0(%r13)
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   0x0(%rax,%rax,1)
L17:
  add    $0x1,%ebp
  mov    %al,(%r14)
  add    $0x1,%r14
  cmp    %ebp,%ebx
  jne    L21
  jmp    L24
```

assistant: ```c
char *VigenereGetKey(int *keysize, int maxKeySize) {
  char *key = malloc(maxKeySize * sizeof(char));
  char ch;
  int position = -1;
  while ((ch = getchar()) != '\n') {
    if ((ch >= 'A' && ch <= 'Z') || (ch >= 'a' && ch <= 'z')) {
      position++;
      key[position] = ch;
      if (position == maxKeySize - 1)
        break;
    }
  }
  *keysize = position + 1;
  return (key);
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  lea    D8(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  pop    %rbp
  ret
```

tool_calls: name: retrieve_data
arguments: tag: D8
type_infered: string

tool: D8: Hello World/n

assistant: ```c
int main(void) {
  printf("Hello World/n");
  return 0;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  lea    D4(%rip),%rdi
  call   <printf@plt>
  mov    $0x0,%eax
  add    $0x8,%rsp
  ret
```

tool_calls: name: read_data
arguments: data_tag: D4
type_infered: string

tool: D4: Hello World/n

assistant: ```c
int main(void) {
  printf("Hello World/n");
  return 0;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  lea    D7(%rip),%rdi
  call   <printf@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D7
datatype: string

tool: D7: Hello World/n

assistant: ```c
int main(void) {
  printf("Hello World/n");
  return 0;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  lea    D5(%rip),%rdi
  call   <printf@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

tool_calls: name: read_data
arguments: data_tag: D5
type_guessed: string

tool: D5: Hello World/n

assistant: ```c
int main(void) {
  printf("Hello World/n");
  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
<minipack_sizeof_bin>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x4(%rbp)
  cmpl   $0xff,-0x4(%rbp)
  jg     L32
  mov    $0x2,%eax
  jmp    L33
L32:
  cmpl   $0xffff,-0x4(%rbp)
  jg     L2
  mov    $0x3,%eax
  jmp    L33
L2:
  mov    $0x5,%eax
L33:
  pop    %rbp
  ret
```

assistant: ```c
size_t minipack_sizeof_bin(uint32_t length) {
  if (length <= 255) {
    return 2;
  } else if (length <= 65535) {
    return 3;
  }
  return 5;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<minipack_sizeof_bin>:
  endbr64
  mov    $0x2,%eax
  cmp    $0xff,%edi
  jle    L2
  cmp    $0xffff,%edi
  setg   %al
  movzbl %al,%eax
  lea    0x3(%rax,%rax,1),%rax
L2:
  ret
```

assistant: ```c
size_t minipack_sizeof_bin(uint32_t length) {
  if (length <= 255) {
    return 2;
  } else if (length <= 65535) {
    return 3;
  }
  return 5;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<minipack_sizeof_bin>:
  endbr64
  mov    $0x2,%eax
  cmp    $0xff,%edi
  jle    L5
  xor    %eax,%eax
  cmp    $0xffff,%edi
  setg   %al
  lea    0x3(%rax,%rax,1),%rax
L5:
  ret
```

assistant: ```c
size_t minipack_sizeof_bin(uint32_t length) {
  if (length <= 255) {
    return 2;
  } else if (length <= 65535) {
    return 3;
  }
  return 5;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<minipack_sizeof_bin>:
  endbr64
  mov    $0x2,%eax
  cmp    $0xff,%edi
  jle    L3
  xor    %eax,%eax
  cmp    $0xffff,%edi
  setg   %al
  lea    0x3(%rax,%rax,1),%rax
L3:
  ret
```

assistant: ```c
size_t minipack_sizeof_bin(uint32_t length) {
  if (length <= 255) {
    return 2;
  } else if (length <= 65535) {
    return 3;
  }
  return 5;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<is_directory>:
  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
  mov    $0x4,%esi
  mov    %rax,%rdi
  call   <ft_bzero@plt>
  lea    -0xc(%rbp),%rdx
  mov    -0x18(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <lstat@plt>
  test   %rax,%rax
  jns    L69
  mov    $0xffffffff,%eax
  jmp    L33
L69:
  mov    -0xc(%rbp),%eax
  mov    %eax,%edi
  call   <S_ISDIR@plt>
  test   %rax,%rax
  je     L20
  mov    -0xc(%rbp),%eax
  cmp    $0x403f,%eax
  jg     L62
  mov    $0x2,%eax
  jmp    L33
L62:
  mov    $0x1,%eax
  jmp    L33
L20:
  mov    $0x0,%eax
L33:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L63
  call   <__stack_chk_fail@plt>
L63:
  leave
  ret
```

assistant: ```c
int is_directory(char *file) {
  struct stat buf;
  ft_bzero(&buf, sizeof(struct stat));
  if (lstat(file, &buf) < 0)
    return (-1);
  if (S_ISDIR(buf.st_mode)) {
    if (buf.st_mode < 16448)
      return (2);
    return (1);
  }
  return (0);
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<is_directory>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %rdi,%rbx
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rbp
  mov    $0x4,%esi
  mov    %rbp,%rdi
  call   <ft_bzero@plt>
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <lstat@plt>
  test   %rax,%rax
  js     L12
  mov    0x4(%rsp),%edi
  call   <S_ISDIR@plt>
  mov    %rax,%rdx
  mov    $0x0,%eax
  test   %rdx,%rdx
  je     L2
  cmpl   $0x4040,0x4(%rsp)
  setl   %al
  movzbl %al,%eax
  add    $0x1,%eax
L2:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L9
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  ret
L12:
  mov    $0xffffffff,%eax
  jmp    L2
L9:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int is_directory(char *file) {
  struct stat buf;
  ft_bzero(&buf, sizeof(struct stat));
  if (lstat(file, &buf) < 0)
    return (-1);
  if (S_ISDIR(buf.st_mode)) {
    if (buf.st_mode < 16448)
      return (2);
    return (1);
  }
  return (0);
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<is_directory>:
  endbr64
  push   %r12
  mov    $0x4,%esi
  push   %rbp
  mov    %rdi,%rbp
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%r12
  mov    %r12,%rdi
  call   <ft_bzero@plt>
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <lstat@plt>
  test   %rax,%rax
  js     L2
  mov    0x4(%rsp),%edi
  call   <S_ISDIR@plt>
  mov    %rax,%r8
  xor    %eax,%eax
  test   %r8,%r8
  jne    L42
L44:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L24
  add    $0x18,%rsp
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax,%rax,1)
L42:
  xor    %eax,%eax
  cmpl   $0x4040,0x4(%rsp)
  setl   %al
  add    $0x1,%eax
  jmp    L44
  nopw   0x0(%rax,%rax,1)
L2:
  mov    $0xffffffff,%eax
  jmp    L44
L24:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int is_directory(char *file) {
  struct stat buf;
  ft_bzero(&buf, sizeof(struct stat));
  if (lstat(file, &buf) < 0)
    return (-1);
  if (S_ISDIR(buf.st_mode)) {
    if (buf.st_mode < 16448)
      return (2);
    return (1);
  }
  return (0);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<is_directory>:
  endbr64
  push   %r12
  mov    $0x4,%esi
  push   %rbp
  mov    %rdi,%rbp
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%r12
  mov    %r12,%rdi
  call   <ft_bzero@plt>
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <lstat@plt>
  test   %rax,%rax
  js     L34
  mov    0x4(%rsp),%edi
  call   <S_ISDIR@plt>
  mov    %rax,%r8
  xor    %eax,%eax
  test   %r8,%r8
  jne    L35
L28:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L17
  add    $0x18,%rsp
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax,%rax,1)
L35:
  xor    %eax,%eax
  cmpl   $0x4040,0x4(%rsp)
  setl   %al
  add    $0x1,%eax
  jmp    L28
  nopw   0x0(%rax,%rax,1)
L34:
  mov    $0xffffffff,%eax
  jmp    L28
L17:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int is_directory(char *file) {
  struct stat buf;
  ft_bzero(&buf, sizeof(struct stat));
  if (lstat(file, &buf) < 0)
    return (-1);
  if (S_ISDIR(buf.st_mode)) {
    if (buf.st_mode < 16448)
      return (2);
    return (1);
  }
  return (0);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<strend>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  movl   $0x2,-0x4(%rbp)
  nop
L26:
  mov    -0x18(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x18(%rbp)
  movzbl (%rax),%eax
  test   %al,%al
  jne    L26
  jmp    L42
L23:
  addl   $0x1,-0x4(%rbp)
L42:
  mov    -0x20(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x20(%rbp)
  movzbl (%rax),%eax
  test   %al,%al
  jne    L23
  nop
L19:
  mov    -0x4(%rbp),%eax
  lea    -0x1(%rax),%edx
  mov    %edx,-0x4(%rbp)
  test   %eax,%eax
  js     L32
  subq   $0x1,-0x20(%rbp)
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%edx
  subq   $0x1,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    %al,%dl
  je     L19
L32:
  cmpl   $0x0,-0x4(%rbp)
  sete   %al
  movzbl %al,%eax
  pop    %rbp
  ret
```

assistant: ```c
int strend(char *s, char *t) {
  int i = 2;
  while (*s++)
    ;
  while (*t++)
    i++;
  while (i-- >= 0 && *--t == *--s)
    ;
  return (i == 0) ? 1 : 0;
}
```