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

```asm
<main>:
  endbr64
  push   %rbx
  sub    $0xe0,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0xd8(%rsp)
  xor    %eax,%eax
  movl   $0x2,(%rsp)
  movl   $0x4,0x4(%rsp)
  movl   $0x6,0x8(%rsp)
  movl   $0x8,0xc(%rsp)
  movl   $0x3,0x10(%rsp)
  movl   $0x5,0x14(%rsp)
  movl   $0x7,0x18(%rsp)
  movl   $0x9,0x1c(%rsp)
  movl   $0xc,0x20(%rsp)
  movl   $0xa,0x24(%rsp)
  movl   $0x8,0x28(%rsp)
  movl   $0x6,0x2c(%rsp)
  movl   $0x14,0x30(%rsp)
  movl   $0x1e,0x34(%rsp)
  movl   $0x28,0x38(%rsp)
  movl   $0x32,0x3c(%rsp)
  movl   $0x3c,0x40(%rsp)
  movl   $0x46,0x44(%rsp)
  movl   $0x5,0x48(%rsp)
  movl   $0x6,0x4c(%rsp)
  movl   $0x7,0x50(%rsp)
  movl   $0x8,0x54(%rsp)
  movl   $0x9,0x58(%rsp)
  movl   $0xa,0x5c(%rsp)
  lea    0x88(%rsp),%rcx
  mov    $0x0,%edi
L22:
  lea    0x1(%rdi),%esi
  lea    -0x28(%rcx),%rax
  mov    $0x0,%edx
L21:
  mov    %edx,(%rax)
  add    %esi,%edx
  add    $0x4,%rax
  cmp    %rcx,%rax
  jne    L21
  add    $0x1,%edi
  add    $0x28,%rcx
  cmp    $0x3,%edi
  jne    L22
  lea    D24(%rip),%rdi
  call   <puts@plt>
  mov    %rsp,%rdx
  mov    $0x4,%esi
  mov    $0x3,%edi
  call   <sum2d@plt>
  mov    %eax,%esi
  lea    D5(%rip),%rbx
  mov    %rbx,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    D30(%rip),%rdi
  call   <puts@plt>
  lea    0x30(%rsp),%rdx
  mov    $0x6,%esi
  mov    $0x2,%edi
  call   <sum2d@plt>
  mov    %eax,%esi
  mov    %rbx,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    D13(%rip),%rdi
  call   <puts@plt>
  lea    0x60(%rsp),%rdx
  mov    $0xa,%esi
  mov    $0x3,%edi
  call   <sum2d@plt>
  mov    %eax,%esi
  mov    %rbx,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    0xd8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L2
  mov    $0x0,%eax
  add    $0xe0,%rsp
  pop    %rbx
  ret
L2:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: data_tag: D24
type: string
name: retrieve_data
arguments: data_tag: D5
type: string
name: retrieve_data
arguments: data_tag: D30
type: string
name: retrieve_data
arguments: data_tag: D13
type: string

tool: D24: 3 * 5

tool: D5: Sum of all elements = %d


tool: D30: 2 * 6 arry

tool: D13: 3 * 10

assistant: ```c
int main() {
  int i, j;
  int rs = 3;
  int cs = 10;
  int junk[3][4] = {{2, 4, 6, 8}, {3, 5, 7, 9}, {12, 10, 8, 6}};
  int morejunk[3 - 1][4 + 2] = {{20, 30, 40, 50, 60, 70}, {5, 6, 7, 8, 9, 10}};
  int varr[rs][cs];
  for (i = 0; i < rs; i++)
    for (j = 0; j < cs; j++)
      varr[i][j] = i * j + j;
  printf("3 * 5\n");
  printf("Sum of all elements = %d\n", sum2d(3, 4, junk));
  printf("2 * 6 arry\n");
  printf("Sum of all elements = %d\n", sum2d(3 - 1, 4 + 2, morejunk));
  printf("3 * 10\n");
  printf("Sum of all elements = %d\n", sum2d(rs, cs, varr));
  return 0;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<main>:
  endbr64
  push   %rbp
  xor    %ecx,%ecx
  sub    $0xe0,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0xd8(%rsp)
  movabs $0x400000002,%rax
  lea    0x88(%rsp),%rsi
  mov    %rax,(%rsp)
  movabs $0x800000006,%rax
  mov    %rax,0x8(%rsp)
  movabs $0x500000003,%rax
  mov    %rax,0x10(%rsp)
  movabs $0x900000007,%rax
  mov    %rax,0x18(%rsp)
  movabs $0xa0000000c,%rax
  mov    %rax,0x20(%rsp)
  movabs $0x600000008,%rax
  mov    %rax,0x28(%rsp)
  movabs $0x1e00000014,%rax
  mov    %rax,0x30(%rsp)
  movabs $0x3200000028,%rax
  mov    %rax,0x38(%rsp)
  movabs $0x460000003c,%rax
  mov    %rax,0x40(%rsp)
  movabs $0x600000005,%rax
  mov    %rax,0x48(%rsp)
  movabs $0x800000007,%rax
  mov    %rax,0x50(%rsp)
  movabs $0xa00000009,%rax
  mov    %rax,0x58(%rsp)
L26:
  add    $0x1,%ecx
  lea    -0x28(%rsi),%rax
  xor    %edx,%edx
  nopl   0x0(%rax,%rax,1)
L16:
  mov    %edx,(%rax)
  add    $0x4,%rax
  add    %ecx,%edx
  cmp    %rsi,%rax
  jne    L16
  lea    0x28(%rax),%rsi
  cmp    $0x3,%ecx
  jne    L26
  lea    D37(%rip),%rdi
  lea    D32(%rip),%rbp
  call   <puts@plt>
  mov    %rsp,%rdx
  mov    $0x4,%esi
  mov    $0x3,%edi
  call   <sum2d@plt>
  mov    %rbp,%rdi
  mov    %eax,%esi
  xor    %eax,%eax
  call   <printf@plt>
  lea    D39(%rip),%rdi
  call   <puts@plt>
  lea    0x30(%rsp),%rdx
  mov    $0x6,%esi
  mov    $0x2,%edi
  call   <sum2d@plt>
  mov    %rbp,%rdi
  mov    %eax,%esi
  xor    %eax,%eax
  call   <printf@plt>
  lea    D5(%rip),%rdi
  call   <puts@plt>
  mov    $0xa,%esi
  mov    $0x3,%edi
  lea    0x60(%rsp),%rdx
  call   <sum2d@plt>
  mov    %rbp,%rdi
  mov    %eax,%esi
  xor    %eax,%eax
  call   <printf@plt>
  mov    0xd8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L6
  add    $0xe0,%rsp
  xor    %eax,%eax
  pop    %rbp
  ret
L6:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: data_tag: D37
data_type: string
name: extract_symbolic_data
arguments: data_tag: D32
data_type: string
name: extract_symbolic_data
arguments: data_tag: D39
data_type: string
name: extract_symbolic_data
arguments: data_tag: D5
data_type: string

tool: D37: 3 * 5

tool: D32: Sum of all elements = %d


tool: D39: 2 * 6 arry

tool: D5: 3 * 10

assistant: ```c
int main() {
  int i, j;
  int rs = 3;
  int cs = 10;
  int junk[3][4] = {{2, 4, 6, 8}, {3, 5, 7, 9}, {12, 10, 8, 6}};
  int morejunk[3 - 1][4 + 2] = {{20, 30, 40, 50, 60, 70}, {5, 6, 7, 8, 9, 10}};
  int varr[rs][cs];
  for (i = 0; i < rs; i++)
    for (j = 0; j < cs; j++)
      varr[i][j] = i * j + j;
  printf("3 * 5\n");
  printf("Sum of all elements = %d\n", sum2d(3, 4, junk));
  printf("2 * 6 arry\n");
  printf("Sum of all elements = %d\n", sum2d(3 - 1, 4 + 2, morejunk));
  printf("3 * 10\n");
  printf("Sum of all elements = %d\n", sum2d(rs, cs, varr));
  return 0;
}
```
user: Translate the below assembly code into C programming language:

```asm
<verify_collision>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x14(%rbp)
  mov    %esi,-0x18(%rbp)
  movl   $0x0,-0x4(%rbp)
  mov    -0x18(%rbp),%eax
  sub    $0x1,%eax
  cmp    %eax,-0x14(%rbp)
  sete   %al
  movzbl %al,%eax
  or     %eax,-0x4(%rbp)
  mov    -0x14(%rbp),%eax
  cmp    -0x18(%rbp),%eax
  sete   %al
  movzbl %al,%eax
  or     %eax,-0x4(%rbp)
  mov    -0x18(%rbp),%eax
  add    $0x1,%eax
  cmp    %eax,-0x14(%rbp)
  sete   %al
  movzbl %al,%eax
  or     %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
bool verify_collision(int character_position, int possible_collision) {
  bool collision = false;
  collision |= character_position == possible_collision - 1;
  collision |= character_position == possible_collision;
  collision |= character_position == possible_collision + 1;
  return collision;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<verify_collision>:
  endbr64
  lea    -0x1(%rsi),%eax
  cmp    %edi,%eax
  sete   %al
  lea    0x1(%rsi),%edx
  cmp    %edi,%edx
  sete   %dl
  or     %edx,%eax
  cmp    %edi,%esi
  sete   %dl
  or     %edx,%eax
  movzbl %al,%eax
  ret
```

assistant: ```c
bool verify_collision(int character_position, int possible_collision) {
  bool collision = false;
  collision |= character_position == possible_collision - 1;
  collision |= character_position == possible_collision;
  collision |= character_position == possible_collision + 1;
  return collision;
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<verify_collision>:
  endbr64
  lea    -0x1(%rsi),%eax
  lea    0x1(%rsi),%edx
  cmp    %edi,%eax
  sete   %al
  cmp    %edi,%edx
  sete   %dl
  or     %edx,%eax
  cmp    %edi,%esi
  sete   %dl
  or     %edx,%eax
  movzbl %al,%eax
  ret
```

assistant: ```c
bool verify_collision(int character_position, int possible_collision) {
  bool collision = false;
  collision |= character_position == possible_collision - 1;
  collision |= character_position == possible_collision;
  collision |= character_position == possible_collision + 1;
  return collision;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<verify_collision>:
  endbr64
  lea    -0x1(%rsi),%eax
  lea    0x1(%rsi),%edx
  cmp    %edi,%eax
  sete   %al
  cmp    %edi,%edx
  sete   %dl
  or     %edx,%eax
  cmp    %edi,%esi
  sete   %dl
  or     %edx,%eax
  movzbl %al,%eax
  ret
```

assistant: ```c
bool verify_collision(int character_position, int possible_collision) {
  bool collision = false;
  collision |= character_position == possible_collision - 1;
  collision |= character_position == possible_collision;
  collision |= character_position == possible_collision + 1;
  return collision;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<read_float_be>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  mov    (%rax),%rax
  shl    $0x18,%eax
  mov    %eax,%edx
  mov    -0x18(%rbp),%rax
  add    $0x8,%rax
  mov    (%rax),%rax
  shl    $0x10,%eax
  or     %eax,%edx
  mov    -0x18(%rbp),%rax
  add    $0x10,%rax
  mov    (%rax),%rax
  shl    $0x8,%eax
  or     %eax,%edx
  mov    -0x18(%rbp),%rax
  add    $0x18,%rax
  mov    (%rax),%rax
  or     %edx,%eax
  mov    %eax,-0x4(%rbp)
  movss  -0x4(%rbp),%xmm0
  pop    %rbp
  ret
```

assistant: ```c
float read_float_be(const uint8_t *data) {
  union {
    uint32_t i;
    float f;
  } u;
  u.i = ((((uint32_t)(((const uint8_t *)(data))[0])) << (24)) | (((uint32_t)(((const uint8_t *)(data))[1])) << (16)) | (((uint32_t)(((const uint8_t *)(data))[2])) << (8)) | (((uint32_t)(((const uint8_t *)(data))[3])) << (0)));
  return u.f;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<read_float_be>:
  endbr64
  mov    (%rdi),%eax
  shl    $0x18,%eax
  mov    0x8(%rdi),%edx
  shl    $0x10,%edx
  or     %edx,%eax
  or     0x18(%rdi),%eax
  mov    0x10(%rdi),%rdx
  shl    $0x8,%edx
  or     %edx,%eax
  movd   %eax,%xmm0
  ret
```

assistant: ```c
float read_float_be(const uint8_t *data) {
  union {
    uint32_t i;
    float f;
  } u;
  u.i = ((((uint32_t)(((const uint8_t *)(data))[0])) << (24)) | (((uint32_t)(((const uint8_t *)(data))[1])) << (16)) | (((uint32_t)(((const uint8_t *)(data))[2])) << (8)) | (((uint32_t)(((const uint8_t *)(data))[3])) << (0)));
  return u.f;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<read_float_be>:
  endbr64
  mov    (%rdi),%eax
  mov    0x8(%rdi),%edx
  shl    $0x18,%eax
  shl    $0x10,%edx
  or     %edx,%eax
  mov    0x10(%rdi),%rdx
  or     0x18(%rdi),%eax
  shl    $0x8,%edx
  or     %edx,%eax
  movd   %eax,%xmm0
  ret
```

assistant: ```c
float read_float_be(const uint8_t *data) {
  union {
    uint32_t i;
    float f;
  } u;
  u.i = ((((uint32_t)(((const uint8_t *)(data))[0])) << (24)) | (((uint32_t)(((const uint8_t *)(data))[1])) << (16)) | (((uint32_t)(((const uint8_t *)(data))[2])) << (8)) | (((uint32_t)(((const uint8_t *)(data))[3])) << (0)));
  return u.f;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<read_float_be>:
  endbr64
  mov    (%rdi),%eax
  mov    0x8(%rdi),%edx
  shl    $0x18,%eax
  shl    $0x10,%edx
  or     %edx,%eax
  mov    0x10(%rdi),%rdx
  or     0x18(%rdi),%eax
  shl    $0x8,%edx
  or     %edx,%eax
  movd   %eax,%xmm0
  ret
```

assistant: ```c
float read_float_be(const uint8_t *data) {
  union {
    uint32_t i;
    float f;
  } u;
  u.i = ((((uint32_t)(((const uint8_t *)(data))[0])) << (24)) | (((uint32_t)(((const uint8_t *)(data))[1])) << (16)) | (((uint32_t)(((const uint8_t *)(data))[2])) << (8)) | (((uint32_t)(((const uint8_t *)(data))[3])) << (0)));
  return u.f;
}
```
user: What is the c source code of the assembly code below?

```asm
<write_smatrix_k>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x150,%rsp
  mov    %rdi,-0x118(%rbp)
  mov    %rsi,-0x120(%rbp)
  mov    %rdx,-0x128(%rbp)
  mov    %rcx,-0x130(%rbp)
  mov    %r8,-0x138(%rbp)
  mov    %r9,-0x140(%rbp)
  mov    0x10(%rbp),%rax
  mov    %rax,-0x148(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    0x18(%rbp),%ecx
  mov    -0x148(%rbp),%rdx
  lea    -0x110(%rbp),%rax
  lea    D9(%rip),%rsi
  mov    %rax,%rdi
  call   <sprintf@plt>
  mov    -0x140(%rbp),%r9
  mov    -0x138(%rbp),%r8
  mov    -0x130(%rbp),%rcx
  mov    -0x128(%rbp),%rdx
  mov    -0x120(%rbp),%rsi
  mov    -0x118(%rbp),%rax
  sub    $0x8,%rsp
  lea    -0x110(%rbp),%rdi
  push   %rdi
  mov    %rax,%rdi
  call   <write_smatrix@plt>
  add    $0x10,%rsp
  nop
  mov    -0x8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L1
  call   <__stack_chk_fail@plt>
L1:
  leave
  ret
```

tool_calls: name: extract_symbolic_data
arguments: label: D9
type: string

tool: D9: %s%02d.txt

assistant: ```c
void write_smatrix_k(short **m, long nrl, long nrh, long ncl, long nch, char *format, char *filename, int k) {
  char filename_k[256];
  sprintf(filename_k, "%s%02d.txt", filename, k);
  write_smatrix(m, nrl, nrh, ncl, nch, format, filename_k);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<write_smatrix_k>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x128,%rsp
  mov    %rdi,0x8(%rsp)
  mov    %rsi,%rbx
  mov    %rdx,%rbp
  mov    %rcx,%r12
  mov    %r8,%r13
  mov    %r9,%r14
  mov    %fs:0x28,%rax
  mov    %rax,0x118(%rsp)
  xor    %eax,%eax
  lea    0x10(%rsp),%r15
  mov    0x168(%rsp),%ecx
  mov    0x160(%rsp),%rdx
  lea    D4(%rip),%rsi
  mov    %r15,%rdi
  call   <sprintf@plt>
  sub    $0x8,%rsp
  push   %r15
  mov    %r14,%r9
  mov    %r13,%r8
  mov    %r12,%rcx
  mov    %rbp,%rdx
  mov    %rbx,%rsi
  mov    0x18(%rsp),%rdi
  call   <write_smatrix@plt>
  add    $0x10,%rsp
  mov    0x118(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L2
  add    $0x128,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L2:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: tag: D4
type: string

tool: D4: %s%02d.txt

assistant: ```c
void write_smatrix_k(short **m, long nrl, long nrh, long ncl, long nch, char *format, char *filename, int k) {
  char filename_k[256];
  sprintf(filename_k, "%s%02d.txt", filename, k);
  write_smatrix(m, nrl, nrh, ncl, nch, format, filename_k);
}
```
user: Translate the below assembly code into C programming language:

```asm
<write_smatrix_k>:
  endbr64
  push   %r15
  mov    %r9,%r15
  push   %r14
  mov    %rcx,%r14
  push   %r13
  mov    %rdx,%r13
  push   %r12
  mov    %rsi,%r12
  lea    D7(%rip),%rsi
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  mov    %r8,%rbx
  sub    $0x128,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x118(%rsp)
  xor    %eax,%eax
  mov    0x168(%rsp),%ecx
  mov    0x160(%rsp),%rdx
  lea    0x10(%rsp),%rdi
  mov    %rdi,0x8(%rsp)
  call   <sprintf@plt>
  sub    $0x8,%rsp
  mov    %r13,%rdx
  mov    %r15,%r9
  mov    0x10(%rsp),%rdi
  mov    %rbx,%r8
  mov    %r14,%rcx
  mov    %r12,%rsi
  push   %rdi
  mov    %rbp,%rdi
  call   <write_smatrix@plt>
  pop    %rax
  pop    %rdx
  mov    0x118(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L2
  add    $0x128,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L2:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: tag: D7
type_infered: string

tool: D7: %s%02d.txt

assistant: ```c
void write_smatrix_k(short **m, long nrl, long nrh, long ncl, long nch, char *format, char *filename, int k) {
  char filename_k[256];
  sprintf(filename_k, "%s%02d.txt", filename, k);
  write_smatrix(m, nrl, nrh, ncl, nch, format, filename_k);
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<write_smatrix_k>:
  endbr64
  push   %r15
  mov    %r9,%r15
  push   %r14
  mov    %rcx,%r14
  push   %r13
  mov    %rdx,%r13
  push   %r12
  mov    %rsi,%r12
  lea    D8(%rip),%rsi
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  mov    %r8,%rbx
  sub    $0x128,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x118(%rsp)
  xor    %eax,%eax
  mov    0x168(%rsp),%ecx
  mov    0x160(%rsp),%rdx
  lea    0x10(%rsp),%rdi
  mov    %rdi,0x8(%rsp)
  call   <sprintf@plt>
  sub    $0x8,%rsp
  mov    %r13,%rdx
  mov    %r15,%r9
  mov    0x10(%rsp),%rdi
  mov    %rbx,%r8
  mov    %r14,%rcx
  mov    %r12,%rsi
  push   %rdi
  mov    %rbp,%rdi
  call   <write_smatrix@plt>
  pop    %rax
  pop    %rdx
  mov    0x118(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L1
  add    $0x128,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L1:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: data_tag: D8
datatype: string

tool: D8: %s%02d.txt

assistant: ```c
void write_smatrix_k(short **m, long nrl, long nrh, long ncl, long nch, char *format, char *filename, int k) {
  char filename_k[256];
  sprintf(filename_k, "%s%02d.txt", filename, k);
  write_smatrix(m, nrl, nrh, ncl, nch, format, filename_k);
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<compar>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    -0x28(%rbp),%rax
  mov    (%rax),%rax
  mov    %rax,-0x20(%rbp)
  mov    -0x30(%rbp),%rax
  mov    (%rax),%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x40,%al
  jne    L56
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x40,%al
  jne    L56
  addq   $0x1,-0x20(%rbp)
  addq   $0x1,-0x18(%rbp)
  jmp    L34
L1:
  addq   $0x1,-0x20(%rbp)
  addq   $0x1,-0x18(%rbp)
L34:
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L26
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%edx
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    %al,%dl
  je     L1
L26:
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  mov    %eax,%edi
  call   <fromhex@plt>
  mov    %eax,%ebx
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  mov    %eax,%edi
  call   <fromhex@plt>
  mov    %eax,%edx
  mov    %ebx,%eax
  sub    %edx,%eax
  jmp    L70
L22:
  addq   $0x1,-0x20(%rbp)
  addq   $0x1,-0x18(%rbp)
L56:
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L9
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%edx
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    %al,%dl
  je     L22
L9:
  mov    -0x20(%rbp),%rax
  movzbl (%rax),%eax
  movzbl %al,%edx
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movzbl %al,%ecx
  mov    %edx,%eax
  sub    %ecx,%eax
L70:
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
int compar(const void *a, const void *b) {
  const unsigned char *A = *(const unsigned char **)a;
  const unsigned char *B = *(const unsigned char **)b;
  if (*A == '@' && *B == '@') {
    ++A;
    ++B;
    while (*A && *A == *B)
      ++A, ++B;
    return fromhex(*A) - fromhex(*B);
  } else {
    while (*A && *A == *B)
      ++A, ++B;
    return *A - *B;
  }
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<compar>:
  endbr64
  mov    (%rdi),%rcx
  mov    (%rsi),%rdx
  movzbl (%rcx),%eax
  cmp    $0x40,%al
  je     L25
  test   %al,%al
  je     L0
L72:
  cmp    %al,(%rdx)
  jne    L0
  add    $0x1,%rcx
  add    $0x1,%rdx
  movzbl (%rcx),%eax
  test   %al,%al
  jne    L72
L0:
  movzbl %al,%eax
  movzbl (%rdx),%edx
  sub    %edx,%eax
  ret
L25:
  cmpb   $0x40,(%rdx)
  jne    L72
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  lea    0x1(%rcx),%rax
  lea    0x1(%rdx),%rbp
  movzbl 0x1(%rcx),%edi
  test   %dil,%dil
  je     L76
L71:
  cmp    %dil,0x0(%rbp)
  jne    L76
  add    $0x1,%rax
  add    $0x1,%rbp
  movzbl (%rax),%edi
  test   %dil,%dil
  jne    L71
L76:
  movzbl %dil,%edi
  call   <fromhex@plt>
  mov    %eax,%ebx
  movzbl 0x0(%rbp),%edi
  call   <fromhex@plt>
  mov    %eax,%edx
  mov    %ebx,%eax
  sub    %edx,%eax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
int compar(const void *a, const void *b) {
  const unsigned char *A = *(const unsigned char **)a;
  const unsigned char *B = *(const unsigned char **)b;
  if (*A == '@' && *B == '@') {
    ++A;
    ++B;
    while (*A && *A == *B)
      ++A, ++B;
    return fromhex(*A) - fromhex(*B);
  } else {
    while (*A && *A == *B)
      ++A, ++B;
    return *A - *B;
  }
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<compar>:
  endbr64
  mov    (%rdi),%rdi
  mov    (%rsi),%rsi
  movzbl (%rdi),%edx
  movzbl (%rsi),%ecx
  cmp    $0x40,%dl
  je     L40
  mov    $0x1,%eax
  test   %dl,%dl
  je     L23
  xchg   %ax,%ax
L76:
  cmp    %cl,%dl
  jne    L79
  movzbl (%rdi,%rax,1),%edx
  add    $0x1,%rax
  movzbl -0x1(%rsi,%rax,1),%ecx
  test   %dl,%dl
  jne    L76
L23:
  xor    %eax,%eax
  sub    %ecx,%eax
  ret
  nopw   0x0(%rax,%rax,1)
L40:
  cmp    $0x40,%cl
  je     L6
L79:
  movzbl %dl,%eax
  sub    %ecx,%eax
  ret
  nopl   0x0(%rax,%rax,1)
L6:
  push   %rbp
  lea    0x1(%rdi),%rdx
  lea    0x1(%rsi),%rbp
  push   %rbx
  sub    $0x8,%rsp
  movzbl 0x1(%rdi),%eax
  test   %al,%al
  jne    L19
  jmp    L12
  nopl   0x0(%rax,%rax,1)
L66:
  movzbl 0x1(%rdx),%eax
  add    $0x1,%rdx
  add    $0x1,%rbp
  test   %al,%al
  je     L12
L19:
  cmp    %al,0x0(%rbp)
  je     L66
  movzbl %al,%edi
L30:
  call   <fromhex@plt>
  movzbl 0x0(%rbp),%edi
  mov    %eax,%ebx
  call   <fromhex@plt>
  add    $0x8,%rsp
  mov    %eax,%r8d
  mov    %ebx,%eax
  pop    %rbx
  pop    %rbp
  sub    %r8d,%eax
  ret
  nopw   0x0(%rax,%rax,1)
L12:
  xor    %edi,%edi
  jmp    L30
```

assistant: ```c
int compar(const void *a, const void *b) {
  const unsigned char *A = *(const unsigned char **)a;
  const unsigned char *B = *(const unsigned char **)b;
  if (*A == '@' && *B == '@') {
    ++A;
    ++B;
    while (*A && *A == *B)
      ++A, ++B;
    return fromhex(*A) - fromhex(*B);
  } else {
    while (*A && *A == *B)
      ++A, ++B;
    return *A - *B;
  }
}
```
user: What is the c source code of the assembly code below?

```asm
<compar>:
  endbr64
  mov    (%rdi),%rdi
  mov    (%rsi),%rsi
  movzbl (%rdi),%edx
  movzbl (%rsi),%ecx
  cmp    $0x40,%dl
  je     L30
  mov    $0x1,%eax
  test   %dl,%dl
  je     L27
  xchg   %ax,%ax
L88:
  cmp    %cl,%dl
  jne    L81
  movzbl (%rdi,%rax,1),%edx
  add    $0x1,%rax
  movzbl -0x1(%rsi,%rax,1),%ecx
  test   %dl,%dl
  jne    L88
L27:
  xor    %eax,%eax
  sub    %ecx,%eax
  ret
  nopw   0x0(%rax,%rax,1)
L30:
  cmp    $0x40,%cl
  je     L63
L81:
  movzbl %dl,%eax
  sub    %ecx,%eax
  ret
  nopl   0x0(%rax,%rax,1)
L63:
  push   %rbp
  lea    0x1(%rdi),%rdx
  lea    0x1(%rsi),%rbp
  push   %rbx
  sub    $0x8,%rsp
  movzbl 0x1(%rdi),%eax
  test   %al,%al
  jne    L10
  jmp    L13
  nopl   0x0(%rax,%rax,1)
L37:
  movzbl 0x1(%rdx),%eax
  add    $0x1,%rdx
  add    $0x1,%rbp
  test   %al,%al
  je     L13
L10:
  cmp    %al,0x0(%rbp)
  je     L37
  movzbl %al,%edi
L15:
  call   <fromhex@plt>
  movzbl 0x0(%rbp),%edi
  mov    %eax,%ebx
  call   <fromhex@plt>
  add    $0x8,%rsp
  mov    %eax,%r8d
  mov    %ebx,%eax
  pop    %rbx
  pop    %rbp
  sub    %r8d,%eax
  ret
  nopw   0x0(%rax,%rax,1)
L13:
  xor    %edi,%edi
  jmp    L15
```

assistant: ```c
int compar(const void *a, const void *b) {
  const unsigned char *A = *(const unsigned char **)a;
  const unsigned char *B = *(const unsigned char **)b;
  if (*A == '@' && *B == '@') {
    ++A;
    ++B;
    while (*A && *A == *B)
      ++A, ++B;
    return fromhex(*A) - fromhex(*B);
  } else {
    while (*A && *A == *B)
      ++A, ++B;
    return *A - *B;
  }
}
```