ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<Util_tplcmp>:
  endbr64
  push   %r12
  mov    %rsi,%r12
  mov    %rdi,%rsi
  mov    $0x1,%edi
  push   %rbp
  sub    $0x8,%rsp
  call   <tpl_peek@plt>
  test   %rax,%rax
  je     L12
  mov    %r12,%rdi
  mov    %rax,%rbp
  call   <strlen@plt>
  mov    %r12,%rsi
  mov    %rbp,%rdi
  mov    %eax,%edx
  call   <strncmp@plt>
  mov    %rbp,%rdi
  mov    %eax,%r12d
  call   <free@plt>
L9:
  add    $0x8,%rsp
  mov    %r12d,%eax
  pop    %rbp
  pop    %r12
  ret
  xchg   %ax,%ax
L12:
  mov    $0xffffffff,%r12d
  jmp    L9
```

assistant: ```c
int Util_tplcmp(const char *filename, const char *fmt) {
  char *f = tpl_peek((1 << 0), filename);
  int cmp = -1;
  if (f) {
    cmp = strncmp(f, fmt, strlen(fmt));
    free(f);
  }
  return cmp;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<Util_tplcmp>:
  endbr64
  push   %r12
  mov    %rsi,%r12
  mov    %rdi,%rsi
  mov    $0x1,%edi
  push   %rbp
  sub    $0x8,%rsp
  call   <tpl_peek@plt>
  test   %rax,%rax
  je     L0
  mov    %r12,%rdi
  mov    %rax,%rbp
  call   <strlen@plt>
  mov    %r12,%rsi
  mov    %rbp,%rdi
  mov    %eax,%edx
  call   <strncmp@plt>
  mov    %rbp,%rdi
  mov    %eax,%r12d
  call   <free@plt>
L17:
  add    $0x8,%rsp
  mov    %r12d,%eax
  pop    %rbp
  pop    %r12
  ret
  xchg   %ax,%ax
L0:
  mov    $0xffffffff,%r12d
  jmp    L17
```

assistant: ```c
int Util_tplcmp(const char *filename, const char *fmt) {
  char *f = tpl_peek((1 << 0), filename);
  int cmp = -1;
  if (f) {
    cmp = strncmp(f, fmt, strlen(fmt));
    free(f);
  }
  return cmp;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<_snprintf0>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0xe0,%rsp
  mov    %rdi,-0xc8(%rbp)
  mov    %rsi,-0xd0(%rbp)
  mov    %rdx,-0xd8(%rbp)
  mov    %rcx,-0x98(%rbp)
  mov    %r8,-0x90(%rbp)
  mov    %r9,-0x88(%rbp)
  test   %al,%al
  je     L5
  movaps %xmm0,-0x80(%rbp)
  movaps %xmm1,-0x70(%rbp)
  movaps %xmm2,-0x60(%rbp)
  movaps %xmm3,-0x50(%rbp)
  movaps %xmm4,-0x40(%rbp)
  movaps %xmm5,-0x30(%rbp)
  movaps %xmm6,-0x20(%rbp)
  movaps %xmm7,-0x10(%rbp)
L5:
  cmpq   $0x0,-0xc8(%rbp)
  je     L33
  cmpq   $0x0,-0xd8(%rbp)
  jne    L20
L33:
  mov    $0xffffffff,%eax
  jmp    L45
L20:
  mov    -0xd8(%rbp),%rdx
  mov    -0xbc(%rbp),%eax
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <va_start@plt>
  mov    -0xbc(%rbp),%ecx
  mov    -0xd8(%rbp),%rdx
  mov    -0xd0(%rbp),%rsi
  mov    -0xc8(%rbp),%rax
  mov    %rax,%rdi
  call   <_vsnprintf@plt>
  mov    %rax,-0xb8(%rbp)
  mov    -0xbc(%rbp),%eax
  mov    %eax,%edi
  call   <va_end@plt>
  mov    -0xd0(%rbp),%rax
  lea    -0x1(%rax),%rdx
  mov    -0xc8(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  mov    -0xb8(%rbp),%rax
  cmp    -0xd0(%rbp),%rax
  jne    L4
  subq   $0x1,-0xb8(%rbp)
L4:
  mov    -0xb8(%rbp),%rax
L45:
  leave
  ret
```

assistant: ```c
int _snprintf0(char *buffer, size_t count, const char *format, ...) {
  va_list args;
  size_t rc;
  if ((buffer == NULL) || (format == NULL) || (count < 0))
    return (-1);
  va_start(args, format);
  rc = _vsnprintf(buffer, count, format, args);
  va_end(args);
  buffer[count - 1] = 0;
  if (rc == count)
    rc--;
  return ((int)rc);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<_snprintf0>:
  endbr64
  test   %rdi,%rdi
  je     L0
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbp
  mov    %rsi,%r12
  mov    %rdx,%rbx
  test   %rdx,%rdx
  je     L21
  mov    %rdx,%rsi
  mov    $0x0,%r13d
  mov    %r13d,%edi
  call   <va_start@plt>
  mov    %r13d,%ecx
  mov    %rbx,%rdx
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <_vsnprintf@plt>
  mov    %rax,%rbx
  mov    %r13d,%edi
  call   <va_end@plt>
  movb   $0x0,-0x1(%rbp,%r12,1)
  cmp    %rbx,%r12
  sete   %dl
  movzbl %dl,%edx
  mov    %ebx,%eax
  sub    %edx,%eax
L8:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L21:
  mov    $0xffffffff,%eax
  jmp    L8
L0:
  mov    $0xffffffff,%eax
  ret
```

assistant: ```c
int _snprintf0(char *buffer, size_t count, const char *format, ...) {
  va_list args;
  size_t rc;
  if ((buffer == NULL) || (format == NULL) || (count < 0))
    return (-1);
  va_start(args, format);
  rc = _vsnprintf(buffer, count, format, args);
  va_end(args);
  buffer[count - 1] = 0;
  if (rc == count)
    rc--;
  return ((int)rc);
}
```
user: What is the c source code of the assembly code below?

```asm
<_snprintf0>:
  endbr64
  test   %rdi,%rdi
  je     L11
  push   %r14
  push   %r13
  push   %r12
  mov    %rdx,%r12
  push   %rbp
  push   %rbx
  test   %rdx,%rdx
  je     L0
  xor    %r14d,%r14d
  mov    %rsi,%r13
  mov    %rdi,%rbp
  mov    %rdx,%rsi
  mov    %r14d,%edi
  call   <va_start@plt>
  mov    %r12,%rdx
  mov    %r14d,%ecx
  mov    %r13,%rsi
  mov    %rbp,%rdi
  call   <_vsnprintf@plt>
  mov    %r14d,%edi
  mov    %rax,%rbx
  call   <va_end@plt>
  xor    %edx,%edx
  movb   $0x0,-0x1(%rbp,%r13,1)
  cmp    %rbx,%r13
  sete   %dl
  mov    %ebx,%eax
  sub    %edx,%eax
L19:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   0x0(%rax)
L0:
  mov    $0xffffffff,%eax
  jmp    L19
L11:
  or     $0xffffffff,%eax
  ret
```

assistant: ```c
int _snprintf0(char *buffer, size_t count, const char *format, ...) {
  va_list args;
  size_t rc;
  if ((buffer == NULL) || (format == NULL) || (count < 0))
    return (-1);
  va_start(args, format);
  rc = _vsnprintf(buffer, count, format, args);
  va_end(args);
  buffer[count - 1] = 0;
  if (rc == count)
    rc--;
  return ((int)rc);
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<_snprintf0>:
  endbr64
  test   %rdi,%rdi
  je     L14
  push   %r14
  push   %r13
  push   %r12
  mov    %rdx,%r12
  push   %rbp
  push   %rbx
  test   %rdx,%rdx
  je     L28
  xor    %r14d,%r14d
  mov    %rsi,%r13
  mov    %rdi,%rbp
  mov    %rdx,%rsi
  mov    %r14d,%edi
  call   <va_start@plt>
  mov    %r12,%rdx
  mov    %r14d,%ecx
  mov    %r13,%rsi
  mov    %rbp,%rdi
  call   <_vsnprintf@plt>
  mov    %r14d,%edi
  mov    %rax,%rbx
  call   <va_end@plt>
  xor    %edx,%edx
  movb   $0x0,-0x1(%rbp,%r13,1)
  cmp    %rbx,%r13
  sete   %dl
  mov    %ebx,%eax
  sub    %edx,%eax
L7:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopl   0x0(%rax)
L28:
  mov    $0xffffffff,%eax
  jmp    L7
L14:
  or     $0xffffffff,%eax
  ret
```

assistant: ```c
int _snprintf0(char *buffer, size_t count, const char *format, ...) {
  va_list args;
  size_t rc;
  if ((buffer == NULL) || (format == NULL) || (count < 0))
    return (-1);
  va_start(args, format);
  rc = _vsnprintf(buffer, count, format, args);
  va_end(args);
  buffer[count - 1] = 0;
  if (rc == count)
    rc--;
  return ((int)rc);
}
```
user: Translate the below assembly code into C programming language:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  movl   $0x3,-0x8(%rbp)
  movl   $0x2,-0x4(%rbp)
  jmp    L10
L18:
  addl   $0x5,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  add    %eax,-0x8(%rbp)
  addl   $0x2,-0x8(%rbp)
L10:
  cmpl   $0x0,-0x8(%rbp)
  jne    L18
  mov    $0x0,%eax
  pop    %rbp
  ret
```

assistant: ```c
int main() {
  int a = 3;
  int b = 2;
  while (a) {
    b += 5;
    a += b;
    a += 2;
  }
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<main>:
  endbr64
  mov    $0x2,%edx
  mov    $0x3,%eax
L5:
  add    $0x5,%edx
  lea    0x2(%rdx,%rax,1),%eax
  test   %eax,%eax
  jne    L5
  ret
```

assistant: ```c
int main() {
  int a = 3;
  int b = 2;
  while (a) {
    b += 5;
    a += b;
    a += 2;
  }
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<main>:
  endbr64
  xor    %eax,%eax
  ret
```

assistant: ```c
int main() {
  int a = 3;
  int b = 2;
  while (a) {
    b += 5;
    a += b;
    a += 2;
  }
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<main>:
  endbr64
  xor    %eax,%eax
  ret
```

assistant: ```c
int main() {
  int a = 3;
  int b = 2;
  while (a) {
    b += 5;
    a += b;
    a += 2;
  }
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<find_first_set_bit>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  bsf    %rax,%rax
  mov    %rax,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  pop    %rbp
  ret
```

assistant: ```c
unsigned int find_first_set_bit(unsigned long word) {
  asm("bsf %1,%0" : "=r"(word) : "r"(word));
  return (unsigned int)word;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<find_first_set_bit>:
  endbr64
  bsf    %rdi,%rax
  ret
```

assistant: ```c
unsigned int find_first_set_bit(unsigned long word) {
  asm("bsf %1,%0" : "=r"(word) : "r"(word));
  return (unsigned int)word;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<find_first_set_bit>:
  endbr64
  bsf    %rdi,%rax
  ret
```

assistant: ```c
unsigned int find_first_set_bit(unsigned long word) {
  asm("bsf %1,%0" : "=r"(word) : "r"(word));
  return (unsigned int)word;
}
```
user: Translate the below assembly code into C programming language:

```asm
<find_first_set_bit>:
  endbr64
  bsf    %rdi,%rax
  ret
```

assistant: ```c
unsigned int find_first_set_bit(unsigned long word) {
  asm("bsf %1,%0" : "=r"(word) : "r"(word));
  return (unsigned int)word;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<mc>:
  endbr64
  sub    $0x38,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  mov    %rdi,%rsi
  mov    $0x0,%r8d
L18:
  mov    $0x0,%eax
  mov    %rsi,%rdi
L14:
  mov    (%rsi,%rax,4),%ecx
  mov    %ecx,(%rsp,%rax,1)
  mov    %ecx,%edx
  sar    $0x7,%dl
  and    $0x1b,%edx
  add    %ecx,%ecx
  xor    %ecx,%edx
  mov    %edx,0x10(%rsp,%rax,1)
  add    $0x4,%rax
  cmp    $0x10,%rax
  jne    L14
  mov    0x10(%rsp),%eax
  xor    0xc(%rsp),%eax
  xor    0x8(%rsp),%eax
  xor    0x14(%rsp),%eax
  xor    0x4(%rsp),%eax
  mov    %eax,(%rdi)
  mov    0xc(%rsp),%eax
  xor    0x8(%rsp),%eax
  xor    0x14(%rsp),%eax
  xor    (%rsp),%eax
  xor    0x18(%rsp),%eax
  mov    %eax,0x10(%rdi)
  mov    0xc(%rsp),%eax
  xor    0x4(%rsp),%eax
  xor    (%rsp),%eax
  xor    0x18(%rsp),%eax
  xor    0x1c(%rsp),%eax
  mov    %eax,0x20(%rdi)
  mov    0x10(%rsp),%eax
  xor    0x8(%rsp),%eax
  xor    0x4(%rsp),%eax
  xor    (%rsp),%eax
  xor    0x1c(%rsp),%eax
  mov    %eax,0x30(%rdi)
  add    $0x1,%r8d
  add    $0x4,%rsi
  cmp    $0x4,%r8d
  jne    L18
  mov    0x28(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L3
  add    $0x38,%rsp
  ret
L3:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void mc(uint8_t *arr) {
  for (int i = 0; i < 4; i++) {
    uint8_t a[4];
    uint8_t b[4];
    uint8_t c;
    uint8_t h;
    for (c = 0; c < 4; c++) {
      a[c] = arr[(4 * c + i)];
      h = (uint8_t)((signed char)arr[(4 * c + i)] >> 7);
      b[c] = arr[(4 * c + i)] << 1;
      b[c] ^= 0x1B & h;
    }
    arr[(i)] = b[0] ^ a[3] ^ a[2] ^ b[1] ^ a[1];
    arr[(4 + i)] = b[1] ^ a[0] ^ a[3] ^ b[2] ^ a[2];
    arr[(8 + i)] = b[2] ^ a[1] ^ a[0] ^ b[3] ^ a[3];
    arr[(12 + i)] = b[3] ^ a[2] ^ a[1] ^ b[0] ^ a[0];
  }
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<mc>:
  endbr64
  sub    $0x38,%rsp
  mov    %rdi,%rsi
  xor    %r9d,%r9d
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  mov    %rsp,%r8
  lea    0x10(%rsp),%rdi
L5:
  xor    %eax,%eax
L21:
  mov    (%rsi,%rax,4),%ecx
  mov    %ecx,%edx
  mov    %ecx,(%r8,%rax,1)
  add    %ecx,%ecx
  sar    $0x7,%dl
  and    $0x1b,%edx
  xor    %ecx,%edx
  mov    %edx,(%rdi,%rax,1)
  add    $0x4,%rax
  cmp    $0x10,%rax
  jne    L21
  mov    0x10(%rsp),%eax
  xor    0xc(%rsp),%eax
  add    $0x1,%r9d
  add    $0x4,%rsi
  xor    0x8(%rsp),%eax
  xor    0x14(%rsp),%eax
  xor    0x4(%rsp),%eax
  mov    %eax,-0x4(%rsi)
  mov    0xc(%rsp),%eax
  xor    0x8(%rsp),%eax
  xor    0x14(%rsp),%eax
  xor    (%rsp),%eax
  xor    0x18(%rsp),%eax
  mov    %eax,0xc(%rsi)
  mov    0xc(%rsp),%eax
  xor    0x4(%rsp),%eax
  xor    (%rsp),%eax
  xor    0x18(%rsp),%eax
  xor    0x1c(%rsp),%eax
  mov    %eax,0x1c(%rsi)
  mov    0x10(%rsp),%eax
  xor    0x8(%rsp),%eax
  xor    0x4(%rsp),%eax
  xor    (%rsp),%eax
  xor    0x1c(%rsp),%eax
  mov    %eax,0x2c(%rsi)
  cmp    $0x4,%r9d
  jne    L5
  mov    0x28(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L11
  add    $0x38,%rsp
  ret
L11:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void mc(uint8_t *arr) {
  for (int i = 0; i < 4; i++) {
    uint8_t a[4];
    uint8_t b[4];
    uint8_t c;
    uint8_t h;
    for (c = 0; c < 4; c++) {
      a[c] = arr[(4 * c + i)];
      h = (uint8_t)((signed char)arr[(4 * c + i)] >> 7);
      b[c] = arr[(4 * c + i)] << 1;
      b[c] ^= 0x1B & h;
    }
    arr[(i)] = b[0] ^ a[3] ^ a[2] ^ b[1] ^ a[1];
    arr[(4 + i)] = b[1] ^ a[0] ^ a[3] ^ b[2] ^ a[2];
    arr[(8 + i)] = b[2] ^ a[1] ^ a[0] ^ b[3] ^ a[3];
    arr[(12 + i)] = b[3] ^ a[2] ^ a[1] ^ b[0] ^ a[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
  lea    -0xf4000(%rsp),%r11
L62:
  sub    $0x1000,%rsp
  orq    $0x0,(%rsp)
  cmp    %r11,%rsp
  jne    L62
  sub    $0x270,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0xf4260(%rbp),%rax
  mov    %rax,%rsi
  lea    D5(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  jmp    L26
L57:
  movl   $0x0,-0xf4258(%rbp)
  mov    $0x0,%eax
  call   <getchar@plt>
  lea    -0xf4250(%rbp),%rax
  mov    %rax,%rdi
  call   <gets@plt>
  lea    -0xf4261(%rbp),%rax
  mov    %rax,%rsi
  lea    D12(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  lea    -0xf4250(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %eax,-0xf4254(%rbp)
  movl   $0x0,-0xf425c(%rbp)
  jmp    L85
L50:
  mov    -0xf425c(%rbp),%eax
  cltq
  movzbl -0xf4250(%rbp,%rax,1),%edx
  movzbl -0xf4261(%rbp),%eax
  cmp    %al,%dl
  jne    L23
  addl   $0x1,-0xf4258(%rbp)
L23:
  addl   $0x1,-0xf425c(%rbp)
L85:
  mov    -0xf425c(%rbp),%eax
  cmp    -0xf4254(%rbp),%eax
  jl     L50
  cmpl   $0x0,-0xf4258(%rbp)
  jle    L12
  movzbl -0xf4261(%rbp),%eax
  movsbl %al,%eax
  mov    -0xf4258(%rbp),%ecx
  lea    -0xf4250(%rbp),%rdx
  mov    %eax,%esi
  lea    D15(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  jmp    L26
L12:
  cmpl   $0x0,-0xf4258(%rbp)
  jne    L26
  movzbl -0xf4261(%rbp),%eax
  movsbl %al,%eax
  mov    %eax,%esi
  lea    D24(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
L26:
  mov    -0xf4260(%rbp),%eax
  lea    -0x1(%rax),%edx
  mov    %edx,-0xf4260(%rbp)
  test   %eax,%eax
  jne    L57
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L97
  call   <__stack_chk_fail@plt>
L97:
  leave
  ret
```

tool_calls: name: disassemble_data
arguments: tag: D5
datatype: string
name: disassemble_data
arguments: tag: D12
datatype: string
name: disassemble_data
arguments: tag: D15
datatype: string
name: disassemble_data
arguments: tag: D24
datatype: string

tool: D5: %d

tool: D12: %c

tool: D15: Occurrence of '%c' in '%s' = %d


tool: D24: '%c' is not present


assistant: ```c
int main() {
  char str[1000000], c;
  int T, i, count, len;
  scanf("%d", &T);
  while (T--) {
    count = 0;
    getchar();
    gets(str);
    scanf("%c", &c);
    len = strlen(str);
    for (i = 0; i < len; i++) {
      if (str[i] == c) {
        count++;
      }
    }
    if (count > 0)
      printf("Occurrence of '%c' in '%s' = %d\n", c, str, count);
    else if (count == 0)
      printf("'%c' is not present\n", c);
  }
  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   %r13
  push   %r12
  push   %rbp
  push   %rbx
  lea    -0xf4000(%rsp),%r11
L21:
  sub    $0x1000,%rsp
  orq    $0x0,(%rsp)
  cmp    %r11,%rsp
  jne    L21
  sub    $0x268,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0xf4258(%rsp)
  xor    %eax,%eax
  lea    0xc(%rsp),%rsi
  lea    D18(%rip),%rdi
  call   <scanf@plt>
  mov    0xc(%rsp),%eax
  lea    -0x1(%rax),%edx
  mov    %edx,0xc(%rsp)
  test   %eax,%eax
  je     L24
  lea    0x10(%rsp),%rbx
  lea    D33(%rip),%rbp
  lea    D8(%rip),%r13
  lea    D0(%rip),%r12
  jmp    L85
L96:
  movsbl %sil,%esi
  mov    %rbx,%rdx
  mov    %r12,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
L15:
  mov    0xc(%rsp),%eax
  lea    -0x1(%rax),%edx
  mov    %edx,0xc(%rsp)
  test   %eax,%eax
  je     L24
L85:
  mov    $0x0,%eax
  call   <getchar@plt>
  mov    %rbx,%rdi
  call   <gets@plt>
  lea    0xb(%rsp),%rsi
  mov    %rbp,%rdi
  mov    $0x0,%eax
  call   <scanf@plt>
  mov    %rbx,%rdi
  call   <strlen@plt>
  test   %eax,%eax
  jle    L3
  movzbl 0xb(%rsp),%esi
  lea    0x10(%rsp),%rdx
  lea    -0x1(%rax),%eax
  lea    0x11(%rsp,%rax,1),%rdi
  mov    $0x0,%ecx
L8:
  cmp    %sil,(%rdx)
  sete   %al
  movzbl %al,%eax
  add    %eax,%ecx
  add    $0x1,%rdx
  cmp    %rdi,%rdx
  jne    L8
  test   %ecx,%ecx
  jg     L96
  jne    L15
L3:
  movsbl 0xb(%rsp),%esi
  mov    %r13,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  jmp    L15
L24:
  mov    0xf4258(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L35
  mov    $0x0,%eax
  add    $0xf4268,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L35:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: data_tag: D18
data_type: string
name: read_data
arguments: data_tag: D33
data_type: string
name: read_data
arguments: data_tag: D8
data_type: string
name: read_data
arguments: data_tag: D0
data_type: string

tool: D18: %d

tool: D33: %c

tool: D8: '%c' is not present


tool: D0: Occurrence of '%c' in '%s' = %d


assistant: ```c
int main() {
  char str[1000000], c;
  int T, i, count, len;
  scanf("%d", &T);
  while (T--) {
    count = 0;
    getchar();
    gets(str);
    scanf("%c", &c);
    len = strlen(str);
    for (i = 0; i < len; i++) {
      if (str[i] == c) {
        count++;
      }
    }
    if (count > 0)
      printf("Occurrence of '%c' in '%s' = %d\n", c, str, count);
    else if (count == 0)
      printf("'%c' is not present\n", c);
  }
  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
  lea    -0xf4000(%rsp),%r11
L62:
  sub    $0x1000,%rsp
  orq    $0x0,(%rsp)
  cmp    %r11,%rsp
  jne    L62
  sub    $0x268,%rsp
  lea    D25(%rip),%rdi
  mov    %fs:0x28,%rax
  mov    %rax,0xf4258(%rsp)
  xor    %eax,%eax
  lea    0xc(%rsp),%rsi
  call   <scanf@plt>
  mov    0xc(%rsp),%eax
  lea    -0x1(%rax),%edx
  mov    %edx,0xc(%rsp)
  test   %eax,%eax
  je     L33
  lea    0x10(%rsp),%rbx
  lea    0xb(%rsp),%r12
  lea    D5(%rip),%rbp
  lea    D3(%rip),%r15
  lea    0x11(%rsp),%r13
  lea    D17(%rip),%r14
  nopl   0x0(%rax)
L50:
  xor    %eax,%eax
  call   <getchar@plt>
  mov    %rbx,%rdi
  call   <gets@plt>
  mov    %r12,%rsi
  mov    %rbp,%rdi
  xor    %eax,%eax
  call   <scanf@plt>
  mov    %rbx,%rdi
  call   <strlen@plt>
  movsbl 0xb(%rsp),%esi
  test   %eax,%eax
  jle    L78
  lea    -0x1(%rax),%edi
  mov    %rbx,%rdx
  xor    %ecx,%ecx
  add    %r13,%rdi
  nopl   0x0(%rax,%rax,1)
L48:
  xor    %eax,%eax
  cmp    %sil,(%rdx)
  sete   %al
  add    $0x1,%rdx
  add    %eax,%ecx
  cmp    %rdi,%rdx
  jne    L48
  test   %ecx,%ecx
  jne    L29
L78:
  mov    %r15,%rdi
  xor    %eax,%eax
  call   <printf@plt>
L77:
  mov    0xc(%rsp),%eax
  lea    -0x1(%rax),%edx
  mov    %edx,0xc(%rsp)
  test   %eax,%eax
  jne    L50
L33:
  mov    0xf4258(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L2
  add    $0xf4268,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopw   0x0(%rax,%rax,1)
L29:
  mov    %rbx,%rdx
  mov    %r14,%rdi
  xor    %eax,%eax
  call   <printf@plt>
  jmp    L77
L2:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: data_label: D25
type_infered: string
name: extract_symbolic_data
arguments: data_label: D5
type_infered: string
name: extract_symbolic_data
arguments: data_label: D3
type_infered: string
name: extract_symbolic_data
arguments: data_label: D17
type_infered: string

tool: D25: %d

tool: D5: %c

tool: D3: '%c' is not present


tool: D17: Occurrence of '%c' in '%s' = %d


assistant: ```c
int main() {
  char str[1000000], c;
  int T, i, count, len;
  scanf("%d", &T);
  while (T--) {
    count = 0;
    getchar();
    gets(str);
    scanf("%c", &c);
    len = strlen(str);
    for (i = 0; i < len; i++) {
      if (str[i] == c) {
        count++;
      }
    }
    if (count > 0)
      printf("Occurrence of '%c' in '%s' = %d\n", c, str, count);
    else if (count == 0)
      printf("'%c' is not present\n", c);
  }
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<str_start>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  mov    %rdi,%rax
  mov    %rsi,%rdx
L70:
  mov    %rdx,%rcx
  lea    0x1(%rcx),%rdx
  movzbl (%rcx),%ebx
  test   %bl,%bl
  jne    L149
  mov    $0x1,%eax
  jmp    L132
L149:
  mov    %rax,%rcx
  lea    0x1(%rcx),%rax
  movzbl (%rcx),%ecx
  cmp    %cl,%bl
  je     L110
  mov    $0x0,%eax
  jmp    L132
L110:
  mov    %rdx,%rcx
  lea    0x1(%rcx),%rdx
  movzbl (%rcx),%ebx
  test   %bl,%bl
  jne    L28
  mov    $0x1,%eax
  jmp    L132
L28:
  mov    %rax,%rcx
  lea    0x1(%rcx),%rax
  movzbl (%rcx),%ecx
  cmp    %cl,%bl
  je     L126
  mov    $0x0,%eax
  jmp    L132
L126:
  mov    %rdx,%rcx
  lea    0x1(%rcx),%rdx
  movzbl (%rcx),%ebx
  test   %bl,%bl
  jne    L68
  mov    $0x1,%eax
  jmp    L132
L68:
  mov    %rax,%rcx
  lea    0x1(%rcx),%rax
  movzbl (%rcx),%ecx
  cmp    %cl,%bl
  je     L108
  mov    $0x0,%eax
  jmp    L132
L108:
  mov    %rdx,%rcx
  lea    0x1(%rcx),%rdx
  movzbl (%rcx),%ebx
  test   %bl,%bl
  jne    L112
  mov    $0x1,%eax
  jmp    L132
L112:
  mov    %rax,%rcx
  lea    0x1(%rcx),%rax
  movzbl (%rcx),%ecx
  cmp    %cl,%bl
  je     L70
  mov    $0x0,%eax
L132:
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
int str_start(register char *s, register char *t) {
  register char x;
  for (;;) {
    x = *t++;
    if (!x)
      return 1;
    if (x != *s++)
      return 0;
    x = *t++;
    if (!x)
      return 1;
    if (x != *s++)
      return 0;
    x = *t++;
    if (!x)
      return 1;
    if (x != *s++)
      return 0;
    x = *t++;
    if (!x)
      return 1;
    if (x != *s++)
      return 0;
  }
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<str_start>:
  endbr64
L38:
  movzbl (%rsi),%eax
  test   %al,%al
  je     L19
  cmp    %al,(%rdi)
  jne    L46
  movzbl 0x1(%rsi),%eax
  test   %al,%al
  je     L49
  cmp    %al,0x1(%rdi)
  jne    L3
  movzbl 0x2(%rsi),%eax
  test   %al,%al
  je     L17
  cmp    %al,0x2(%rdi)
  jne    L39
  add    $0x4,%rsi
  movzbl -0x1(%rsi),%eax
  test   %al,%al
  je     L37
  add    $0x4,%rdi
  cmp    %al,-0x1(%rdi)
  je     L38
  mov    $0x0,%eax
  ret
L19:
  mov    $0x1,%eax
  ret
L46:
  mov    $0x0,%eax
  ret
L49:
  mov    $0x1,%eax
  ret
L3:
  mov    $0x0,%eax
  ret
L17:
  mov    $0x1,%eax
  ret
L39:
  mov    $0x0,%eax
  ret
L37:
  mov    $0x1,%eax
  ret
```

assistant: ```c
int str_start(register char *s, register char *t) {
  register char x;
  for (;;) {
    x = *t++;
    if (!x)
      return 1;
    if (x != *s++)
      return 0;
    x = *t++;
    if (!x)
      return 1;
    if (x != *s++)
      return 0;
    x = *t++;
    if (!x)
      return 1;
    if (x != *s++)
      return 0;
    x = *t++;
    if (!x)
      return 1;
    if (x != *s++)
      return 0;
  }
}
```