ylfeng/ReF-Decompile-dataset huggingface dataset:
user: What would the C source look like for the assembly code provided here:

```asm
<encode64Char2>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,%edx
  mov    %esi,%eax
  mov    %dl,-0x14(%rbp)
  mov    %al,-0x18(%rbp)
  movzbl -0x14(%rbp),%eax
  and    $0x3,%eax
  mov    %al,-0x2(%rbp)
  shlb   $0x4,-0x2(%rbp)
  movzbl -0x18(%rbp),%eax
  sar    $0x4,%al
  mov    %al,-0x1(%rbp)
  andb   $0xf,-0x1(%rbp)
  movzbl -0x1(%rbp),%eax
  or     %al,-0x2(%rbp)
  andb   $0x3f,-0x2(%rbp)
  movzbl -0x2(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
unsigned char encode64Char2(char ci1, char ci2) {
  unsigned char c2 = ci1 & 3;
  c2 = c2 << 4;
  unsigned char tmp2 = ci2 >> 4;
  tmp2 = tmp2 & 15;
  c2 = c2 | tmp2;
  c2 = c2 & 63;
  return c2;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<encode64Char2>:
  endbr64
  shl    $0x4,%edi
  and    $0x30,%edi
  shr    $0x4,%sil
  mov    %esi,%eax
  or     %edi,%eax
  ret
```

assistant: ```c
unsigned char encode64Char2(char ci1, char ci2) {
  unsigned char c2 = ci1 & 3;
  c2 = c2 << 4;
  unsigned char tmp2 = ci2 >> 4;
  tmp2 = tmp2 & 15;
  c2 = c2 | tmp2;
  c2 = c2 & 63;
  return c2;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<encode64Char2>:
  endbr64
  shl    $0x4,%edi
  shr    $0x4,%sil
  and    $0x30,%edi
  mov    %esi,%eax
  or     %edi,%eax
  ret
```

assistant: ```c
unsigned char encode64Char2(char ci1, char ci2) {
  unsigned char c2 = ci1 & 3;
  c2 = c2 << 4;
  unsigned char tmp2 = ci2 >> 4;
  tmp2 = tmp2 & 15;
  c2 = c2 | tmp2;
  c2 = c2 & 63;
  return c2;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<encode64Char2>:
  endbr64
  shl    $0x4,%edi
  shr    $0x4,%sil
  and    $0x30,%edi
  mov    %esi,%eax
  or     %edi,%eax
  ret
```

assistant: ```c
unsigned char encode64Char2(char ci1, char ci2) {
  unsigned char c2 = ci1 & 3;
  c2 = c2 << 4;
  unsigned char tmp2 = ci2 >> 4;
  tmp2 = tmp2 & 15;
  c2 = c2 | tmp2;
  c2 = c2 & 63;
  return c2;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<ucase>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x8(%rbp)
  jmp    L8
L42:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x60,%al
  jle    L11
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x7a,%al
  jg     L13
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  sub    $0x20,%eax
  mov    %eax,%edx
  mov    -0x8(%rbp),%rax
  mov    %dl,(%rax)
  jmp    L9
L13:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%edx
  mov    -0x8(%rbp),%rax
  mov    %dl,(%rax)
  jmp    L9
L11:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%edx
  mov    -0x8(%rbp),%rax
  mov    %dl,(%rax)
L9:
  addq   $0x1,-0x8(%rbp)
L8:
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L42
  nop
  pop    %rbp
  ret
```

assistant: ```c
void ucase(char *cp) {
  {
    while (*cp) {
      if ((int)*cp >= 97) {
        if ((int)*cp <= 122) {
          *cp = (char)((int)*cp - 32);
        } else {
          *cp = *cp;
        }
      } else {
        *cp = *cp;
      }
      cp++;
    }
    return;
  }
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<ucase>:
  endbr64
  movzbl (%rdi),%eax
  test   %al,%al
  jne    L7
L26:
  ret
L0:
  add    $0x1,%rdi
  movzbl (%rdi),%eax
  test   %al,%al
  je     L26
L7:
  lea    -0x61(%rax),%edx
  cmp    $0x19,%dl
  ja     L0
  sub    $0x20,%eax
  mov    %al,(%rdi)
  jmp    L0
```

assistant: ```c
void ucase(char *cp) {
  {
    while (*cp) {
      if ((int)*cp >= 97) {
        if ((int)*cp <= 122) {
          *cp = (char)((int)*cp - 32);
        } else {
          *cp = *cp;
        }
      } else {
        *cp = *cp;
      }
      cp++;
    }
    return;
  }
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<ucase>:
  endbr64
  jmp    L27
  cs nopw 0x0(%rax,%rax,1)
L3:
  add    $0x1,%rdi
L27:
  movzbl (%rdi),%eax
  test   %al,%al
  je     L13
  lea    -0x61(%rax),%edx
  cmp    $0x19,%dl
  ja     L3
  sub    $0x20,%eax
  mov    %al,(%rdi)
  jmp    L3
  nopw   0x0(%rax,%rax,1)
L13:
  ret
```

assistant: ```c
void ucase(char *cp) {
  {
    while (*cp) {
      if ((int)*cp >= 97) {
        if ((int)*cp <= 122) {
          *cp = (char)((int)*cp - 32);
        } else {
          *cp = *cp;
        }
      } else {
        *cp = *cp;
      }
      cp++;
    }
    return;
  }
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<ucase>:
  endbr64
  jmp    L29
  cs nopw 0x0(%rax,%rax,1)
L14:
  add    $0x1,%rdi
L29:
  movzbl (%rdi),%eax
  test   %al,%al
  je     L3
L32:
  lea    -0x61(%rax),%edx
  cmp    $0x19,%dl
  ja     L14
  sub    $0x20,%eax
  add    $0x1,%rdi
  mov    %al,-0x1(%rdi)
  movzbl (%rdi),%eax
  test   %al,%al
  jne    L32
  ret
  nopl   (%rax)
L3:
  ret
```

assistant: ```c
void ucase(char *cp) {
  {
    while (*cp) {
      if ((int)*cp >= 97) {
        if ((int)*cp <= 122) {
          *cp = (char)((int)*cp - 32);
        } else {
          *cp = *cp;
        }
      } else {
        *cp = *cp;
      }
      cp++;
    }
    return;
  }
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<sequential>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %edx,-0x24(%rbp)
  movl   $0x0,-0x8(%rbp)
  jmp    L43
L50:
  movl   $0x0,-0x4(%rbp)
  jmp    L88
L22:
  mov    -0x8(%rbp),%eax
  cmp    -0x4(%rbp),%eax
  je     L66
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%edx
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rcx
  mov    -0x18(%rbp),%rax
  add    %rcx,%rax
  mov    (%rax),%eax
  cmp    %eax,%edx
  je     L5
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%edx
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rcx
  mov    -0x18(%rbp),%rax
  add    %rcx,%rax
  mov    (%rax),%eax
  cmp    %eax,%edx
  jle    L29
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%edx
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rcx
  mov    -0x20(%rbp),%rax
  add    %rcx,%rax
  mov    (%rax),%eax
  cmp    %eax,%edx
  jle    L29
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%edx
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rcx
  mov    -0x20(%rbp),%rax
  add    %rcx,%rax
  mov    (%rax),%eax
  cmp    %eax,%edx
  jl     L5
L29:
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%edx
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rcx
  mov    -0x18(%rbp),%rax
  add    %rcx,%rax
  mov    (%rax),%eax
  cmp    %eax,%edx
  jle    L66
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%edx
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rcx
  mov    -0x20(%rbp),%rax
  add    %rcx,%rax
  mov    (%rax),%eax
  cmp    %eax,%edx
  jge    L66
L5:
  mov    -0x4(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  mov    -0x8(%rbp),%edx
  movslq %edx,%rdx
  lea    0x0(,%rdx,4),%rcx
  mov    -0x20(%rbp),%rdx
  add    %rcx,%rdx
  mov    (%rax),%eax
  mov    %eax,(%rdx)
L66:
  addl   $0x1,-0x4(%rbp)
L88:
  mov    -0x4(%rbp),%eax
  cmp    -0x24(%rbp),%eax
  jl     L22
  addl   $0x1,-0x8(%rbp)
L43:
  mov    -0x8(%rbp),%eax
  cmp    -0x24(%rbp),%eax
  jl     L50
  nop
  nop
  pop    %rbp
  ret
```

assistant: ```c
void sequential(int *start, int *end, int length) {
  for (int i = 0; i < length; i++) {
    for (int j = 0; j < length; j++) {
      if (i != j && ((end[i] == start[j] || (start[j] > start[i] && end[j] > end[i] && start[j] < end[i])) || (start[i] > start[j] && end[i] < end[j]))) {
        end[i] = end[j];
      }
    }
  }
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<sequential>:
  endbr64
  test   %edx,%edx
  jle    L67
  push   %rbx
  mov    %rdi,%r9
  mov    %rsi,%rbx
  mov    %rsi,%r8
  mov    %edx,%esi
  mov    $0x0,%edi
  jmp    L12
L13:
  jge    L69
  cmp    (%rbx,%rax,4),%ecx
  jge    L69
L124:
  mov    (%rbx,%rax,4),%edx
  mov    %edx,(%r11)
L69:
  add    $0x1,%rax
  cmp    %rsi,%rax
  je     L0
L119:
  cmp    %edi,%eax
  je     L69
  mov    %r8,%r11
  mov    (%r8),%ecx
  mov    (%r9,%rax,4),%edx
  cmp    %edx,%ecx
  je     L124
  mov    (%r9,%rdi,4),%r10d
  cmp    %r10d,%edx
  jle    L13
  cmp    (%rbx,%rax,4),%ecx
  jge    L69
  cmp    %edx,%ecx
  jle    L69
  jmp    L124
L0:
  add    $0x1,%rdi
  add    $0x4,%r8
  cmp    %rsi,%rdi
  je     L17
L12:
  mov    $0x0,%eax
  jmp    L119
L17:
  pop    %rbx
  ret
L67:
  ret
```

assistant: ```c
void sequential(int *start, int *end, int length) {
  for (int i = 0; i < length; i++) {
    for (int j = 0; j < length; j++) {
      if (i != j && ((end[i] == start[j] || (start[j] > start[i] && end[j] > end[i] && start[j] < end[i])) || (start[i] > start[j] && end[i] < end[j]))) {
        end[i] = end[j];
      }
    }
  }
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<sequential>:
  endbr64
  test   %edx,%edx
  jle    L129
  mov    %rsi,%r10
  movslq %edx,%r11
  xor    %r8d,%r8d
  nopl   0x0(%rax)
L21:
  xor    %eax,%eax
  jmp    L116
  nopl   0x0(%rax)
L0:
  cmp    (%rdi,%r8,4),%edx
  jle    L127
  mov    (%rsi,%rax,4),%r9d
  cmp    %r9d,%ecx
  jge    L107
  cmp    %edx,%ecx
  jg     L69
  nopl   0x0(%rax,%rax,1)
L107:
  add    $0x1,%rax
  cmp    %r11,%rax
  je     L59
L116:
  cmp    %r8d,%eax
  je     L107
  mov    (%r10),%ecx
  mov    (%rdi,%rax,4),%edx
  cmp    %edx,%ecx
  jne    L0
  mov    (%rsi,%rax,4),%r9d
L69:
  add    $0x1,%rax
  mov    %r9d,(%r10)
  cmp    %r11,%rax
  jne    L116
L59:
  add    $0x1,%r8
  add    $0x4,%r10
  cmp    %r11,%r8
  jne    L21
L129:
  ret
  xchg   %ax,%ax
L127:
  jge    L107
  mov    (%rsi,%rax,4),%r9d
  cmp    %r9d,%ecx
  jge    L107
  jmp    L69
```

assistant: ```c
void sequential(int *start, int *end, int length) {
  for (int i = 0; i < length; i++) {
    for (int j = 0; j < length; j++) {
      if (i != j && ((end[i] == start[j] || (start[j] > start[i] && end[j] > end[i] && start[j] < end[i])) || (start[i] > start[j] && end[i] < end[j]))) {
        end[i] = end[j];
      }
    }
  }
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<sequential>:
  endbr64
  test   %edx,%edx
  jle    L120
  mov    %rsi,%r10
  movslq %edx,%r11
  xor    %r8d,%r8d
  nopl   0x0(%rax)
L10:
  xor    %eax,%eax
  jmp    L45
  nopl   0x0(%rax)
L88:
  cmp    (%rdi,%r8,4),%edx
  jle    L7
  mov    (%rsi,%rax,4),%r9d
  cmp    %r9d,%ecx
  jge    L54
  cmp    %edx,%ecx
  jg     L21
  nopl   0x0(%rax,%rax,1)
L54:
  add    $0x1,%rax
  cmp    %r11,%rax
  je     L16
L45:
  cmp    %r8d,%eax
  je     L54
  mov    (%r10),%ecx
  mov    (%rdi,%rax,4),%edx
  cmp    %edx,%ecx
  jne    L88
  mov    (%rsi,%rax,4),%r9d
L21:
  add    $0x1,%rax
  mov    %r9d,(%r10)
  cmp    %r11,%rax
  jne    L45
L16:
  add    $0x1,%r8
  add    $0x4,%r10
  cmp    %r11,%r8
  jne    L10
L120:
  ret
  xchg   %ax,%ax
L7:
  jge    L54
  mov    (%rsi,%rax,4),%r9d
  cmp    %r9d,%ecx
  jge    L54
  jmp    L21
```

assistant: ```c
void sequential(int *start, int *end, int length) {
  for (int i = 0; i < length; i++) {
    for (int j = 0; j < length; j++) {
      if (i != j && ((end[i] == start[j] || (start[j] > start[i] && end[j] > end[i] && start[j] < end[i])) || (start[i] > start[j] && end[i] < end[j]))) {
        end[i] = end[j];
      }
    }
  }
}
```
user: Translate the below assembly code into C programming language:

```asm
<parse_forbidden>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    -0x28(%rbp),%rax
  mov    %rax,-0x18(%rbp)
  movl   $0x0,-0xc(%rbp)
  mov    -0xc(%rbp),%eax
  mov    %eax,-0x10(%rbp)
  mov    -0x10(%rbp),%eax
  mov    %eax,-0x1c(%rbp)
  jmp    L3
L28:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <isdigit@plt>
  test   %rax,%rax
  je     L148
  mov    -0x1c(%rbp),%eax
  cltq
  mov    -0x10(%rbp,%rax,4),%edx
  mov    %edx,%eax
  shl    $0x2,%eax
  add    %edx,%eax
  add    %eax,%eax
  mov    %eax,%edx
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  sub    $0x30,%eax
  add    %eax,%edx
  mov    -0x1c(%rbp),%eax
  cltq
  mov    %edx,-0x10(%rbp,%rax,4)
  jmp    L135
L148:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2d,%al
  jne    L139
  cmpl   $0x0,-0x1c(%rbp)
  jne    L26
  movl   $0x1,-0x1c(%rbp)
  jmp    L135
L26:
  mov    $0x0,%eax
  jmp    L16
L139:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2c,%al
  jne    L57
  mov    -0x30(%rbp),%rdx
  mov    -0x1c(%rbp),%ecx
  lea    -0x10(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <set_forbidden@plt>
  test   %eax,%eax
  jne    L65
  mov    $0x0,%eax
  jmp    L16
L65:
  movl   $0x0,-0xc(%rbp)
  mov    -0xc(%rbp),%eax
  mov    %eax,-0x10(%rbp)
  mov    -0x10(%rbp),%eax
  mov    %eax,-0x1c(%rbp)
  jmp    L135
L57:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x23,%al
  je     L39
  mov    $0x0,%eax
  jmp    L16
L135:
  addq   $0x1,-0x18(%rbp)
L3:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L28
  jmp    L69
L39:
  nop
L69:
  mov    -0x18(%rbp),%rax
  cmp    -0x28(%rbp),%rax
  je     L166
  mov    -0x30(%rbp),%rdx
  mov    -0x1c(%rbp),%ecx
  lea    -0x10(%rbp),%rax
  mov    %ecx,%esi
  mov    %rax,%rdi
  call   <set_forbidden@plt>
  test   %eax,%eax
  jne    L166
  mov    $0x0,%eax
  jmp    L16
L166:
  mov    $0x1,%eax
L16:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L59
  call   <__stack_chk_fail@plt>
L59:
  leave
  ret
```

assistant: ```c
int parse_forbidden(char *line, int *p) {
  int l[2], i;
  char *ptr = line;
  i = l[0] = l[1] = 0;
  while (*ptr) {
    if (isdigit(*ptr)) {
      l[i] = l[i] * 10 + (*ptr - '0');
    } else if (*ptr == '-') {
      if (i == 0) {
        i = 1;
      } else {
        return 0;
      }
    } else if (*ptr == ',') {
      if (!set_forbidden(l, i, p)) {
        return 0;
      }
      i = l[0] = l[1] = 0;
    } else if (*ptr == '#') {
      break;
    } else {
      return 0;
    }
    ptr++;
  }
  if (ptr != line) {
    if (!set_forbidden(l, i, p)) {
      return 0;
    }
  }
  return 1;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<parse_forbidden>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x10,%rsp
  mov    %rdi,%r14
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  movl   $0x0,0x4(%rsp)
  movl   $0x0,(%rsp)
  movzbl (%rdi),%edi
  test   %dil,%dil
  je     L110
  mov    %rsi,%r12
  mov    %r14,%rbx
  mov    $0x0,%ebp
  mov    %rsp,%r13
  jmp    L37
L142:
  movzbl (%rbx),%eax
  cmp    $0x2d,%al
  je     L20
  cmp    $0x2c,%al
  jne    L51
  mov    %r12,%rdx
  mov    %ebp,%esi
  mov    %r13,%rdi
  call   <set_forbidden@plt>
  test   %eax,%eax
  je     L126
  movl   $0x0,0x4(%rsp)
  movl   $0x0,(%rsp)
  mov    $0x0,%ebp
L76:
  add    $0x1,%rbx
  movzbl (%rbx),%edi
  test   %dil,%dil
  je     L84
L37:
  movsbl %dil,%edi
  call   <isdigit@plt>
  test   %rax,%rax
  je     L142
  movslq %ebp,%rax
  mov    (%rsp,%rax,4),%edx
  lea    (%rdx,%rdx,4),%ecx
  movsbl (%rbx),%edx
  lea    -0x30(%rdx,%rcx,2),%edx
  mov    %edx,(%rsp,%rax,4)
  jmp    L76
L20:
  test   %ebp,%ebp
  jne    L144
  mov    $0x1,%ebp
  jmp    L76
L144:
  mov    $0x0,%eax
  jmp    L126
L51:
  cmp    $0x23,%al
  je     L84
  mov    $0x0,%eax
  jmp    L126
L84:
  mov    $0x1,%eax
  cmp    %rbx,%r14
  je     L126
  mov    %rsp,%rdi
  mov    %r12,%rdx
  mov    %ebp,%esi
  call   <set_forbidden@plt>
  test   %eax,%eax
  setne  %al
  movzbl %al,%eax
L126:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L4
  add    $0x10,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L110:
  mov    $0x1,%eax
  jmp    L126
L4:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int parse_forbidden(char *line, int *p) {
  int l[2], i;
  char *ptr = line;
  i = l[0] = l[1] = 0;
  while (*ptr) {
    if (isdigit(*ptr)) {
      l[i] = l[i] * 10 + (*ptr - '0');
    } else if (*ptr == '-') {
      if (i == 0) {
        i = 1;
      } else {
        return 0;
      }
    } else if (*ptr == ',') {
      if (!set_forbidden(l, i, p)) {
        return 0;
      }
      i = l[0] = l[1] = 0;
    } else if (*ptr == '#') {
      break;
    } else {
      return 0;
    }
    ptr++;
  }
  if (ptr != line) {
    if (!set_forbidden(l, i, p)) {
      return 0;
    }
  }
  return 1;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<parse_forbidden>:
  endbr64
  push   %r14
  push   %r13
  mov    %rdi,%r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x10,%rsp
  movsbl (%rdi),%edi
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  movq   $0x0,(%rsp)
  test   %dil,%dil
  je     L128
  mov    %rsi,%r12
  mov    %r13,%r14
  xor    %ebp,%ebp
  mov    %rsp,%rbx
  jmp    L25
  nopl   0x0(%rax)
L125:
  movslq %ebp,%rax
  mov    (%rsp,%rax,4),%edx
  lea    (%rdx,%rdx,4),%ecx
  movsbl (%r14),%edx
  lea    -0x30(%rdx,%rcx,2),%edx
  mov    %edx,(%rsp,%rax,4)
L41:
  movsbl 0x1(%r14),%edi
  add    $0x1,%r14
  test   %dil,%dil
  je     L77
L25:
  call   <isdigit@plt>
  test   %rax,%rax
  jne    L125
  movzbl (%r14),%eax
  cmp    $0x2d,%al
  je     L88
  cmp    $0x2c,%al
  jne    L18
  mov    %r12,%rdx
  mov    %ebp,%esi
  mov    %rbx,%rdi
  call   <set_forbidden@plt>
  test   %eax,%eax
  je     L75
  movsbl 0x1(%r14),%edi
  add    $0x1,%r14
  movq   $0x0,(%rsp)
  xor    %ebp,%ebp
  test   %dil,%dil
  jne    L25
L77:
  cmp    %r14,%r13
  je     L128
  mov    %rsp,%rdi
  mov    %r12,%rdx
  mov    %ebp,%esi
  call   <set_forbidden@plt>
  test   %eax,%eax
  setne  %al
  movzbl %al,%eax
L130:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L142
  add    $0x10,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L88:
  test   %ebp,%ebp
  jne    L75
  mov    $0x1,%ebp
  jmp    L41
  xchg   %ax,%ax
L128:
  mov    $0x1,%eax
  jmp    L130
L18:
  cmp    $0x23,%al
  je     L77
L75:
  xor    %eax,%eax
  jmp    L130
L142:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int parse_forbidden(char *line, int *p) {
  int l[2], i;
  char *ptr = line;
  i = l[0] = l[1] = 0;
  while (*ptr) {
    if (isdigit(*ptr)) {
      l[i] = l[i] * 10 + (*ptr - '0');
    } else if (*ptr == '-') {
      if (i == 0) {
        i = 1;
      } else {
        return 0;
      }
    } else if (*ptr == ',') {
      if (!set_forbidden(l, i, p)) {
        return 0;
      }
      i = l[0] = l[1] = 0;
    } else if (*ptr == '#') {
      break;
    } else {
      return 0;
    }
    ptr++;
  }
  if (ptr != line) {
    if (!set_forbidden(l, i, p)) {
      return 0;
    }
  }
  return 1;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<parse_forbidden>:
  endbr64
  push   %r14
  push   %r13
  mov    %rdi,%r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x10,%rsp
  movsbl (%rdi),%edi
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  movq   $0x0,(%rsp)
  test   %dil,%dil
  je     L121
  mov    %rsi,%r12
  mov    %r13,%r14
  xor    %ebp,%ebp
  mov    %rsp,%rbx
  jmp    L106
  nopl   0x0(%rax)
L16:
  movslq %ebp,%rax
  mov    (%rsp,%rax,4),%edx
  lea    (%rdx,%rdx,4),%ecx
  movsbl (%r14),%edx
  lea    -0x30(%rdx,%rcx,2),%edx
  mov    %edx,(%rsp,%rax,4)
L90:
  movsbl 0x1(%r14),%edi
  add    $0x1,%r14
  test   %dil,%dil
  je     L33
L106:
  call   <isdigit@plt>
  test   %rax,%rax
  jne    L16
  movzbl (%r14),%eax
  cmp    $0x2d,%al
  je     L44
  cmp    $0x2c,%al
  jne    L131
  mov    %r12,%rdx
  mov    %ebp,%esi
  mov    %rbx,%rdi
  call   <set_forbidden@plt>
  test   %eax,%eax
  je     L84
  movsbl 0x1(%r14),%edi
  add    $0x1,%r14
  movq   $0x0,(%rsp)
  xor    %ebp,%ebp
  test   %dil,%dil
  jne    L106
L33:
  cmp    %r14,%r13
  je     L121
  mov    %rsp,%rdi
  mov    %r12,%rdx
  mov    %ebp,%esi
  call   <set_forbidden@plt>
  test   %eax,%eax
  setne  %al
  movzbl %al,%eax
L128:
  mov    0x8(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L74
  add    $0x10,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L44:
  test   %ebp,%ebp
  jne    L84
  mov    $0x1,%ebp
  jmp    L90
  xchg   %ax,%ax
L121:
  mov    $0x1,%eax
  jmp    L128
L131:
  cmp    $0x23,%al
  je     L33
L84:
  xor    %eax,%eax
  jmp    L128
L74:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int parse_forbidden(char *line, int *p) {
  int l[2], i;
  char *ptr = line;
  i = l[0] = l[1] = 0;
  while (*ptr) {
    if (isdigit(*ptr)) {
      l[i] = l[i] * 10 + (*ptr - '0');
    } else if (*ptr == '-') {
      if (i == 0) {
        i = 1;
      } else {
        return 0;
      }
    } else if (*ptr == ',') {
      if (!set_forbidden(l, i, p)) {
        return 0;
      }
      i = l[0] = l[1] = 0;
    } else if (*ptr == '#') {
      break;
    } else {
      return 0;
    }
    ptr++;
  }
  if (ptr != line) {
    if (!set_forbidden(l, i, p)) {
      return 0;
    }
  }
  return 1;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<countCharsN>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,%eax
  mov    %edx,-0x20(%rbp)
  mov    %al,-0x1c(%rbp)
  movl   $0x0,-0x4(%rbp)
  movl   $0x0,-0x8(%rbp)
  jmp    L12
L17:
  mov    -0x8(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    %al,-0x1c(%rbp)
  jne    L6
  addl   $0x1,-0x4(%rbp)
L6:
  addl   $0x1,-0x8(%rbp)
L12:
  mov    -0x8(%rbp),%eax
  cmp    -0x20(%rbp),%eax
  jl     L17
  mov    -0x4(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
int countCharsN(char *s, char c, int size) {
  int i;
  int count = 0;
  for (i = 0; i < size; ++i)
    if (s[i] == c)
      ++count;
  return count;
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<countCharsN>:
  endbr64
  test   %edx,%edx
  jle    L2
  mov    %rdi,%rax
  lea    -0x1(%rdx),%edx
  lea    0x1(%rdi,%rdx,1),%rdi
  mov    $0x0,%edx
L10:
  cmp    %sil,(%rax)
  sete   %cl
  movzbl %cl,%ecx
  add    %ecx,%edx
  add    $0x1,%rax
  cmp    %rdi,%rax
  jne    L10
L8:
  mov    %edx,%eax
  ret
L2:
  mov    $0x0,%edx
  jmp    L8
```

assistant: ```c
int countCharsN(char *s, char c, int size) {
  int i;
  int count = 0;
  for (i = 0; i < size; ++i)
    if (s[i] == c)
      ++count;
  return count;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<countCharsN>:
  endbr64
  test   %edx,%edx
  jle    L6
  lea    -0x1(%rdx),%eax
  lea    0x1(%rdi,%rax,1),%rcx
  xor    %eax,%eax
  nopw   0x0(%rax,%rax,1)
L5:
  xor    %edx,%edx
  cmp    %sil,(%rdi)
  sete   %dl
  add    $0x1,%rdi
  add    %edx,%eax
  cmp    %rcx,%rdi
  jne    L5
  ret
  nopl   0x0(%rax)
L6:
  xor    %eax,%eax
  ret
```

assistant: ```c
int countCharsN(char *s, char c, int size) {
  int i;
  int count = 0;
  for (i = 0; i < size; ++i)
    if (s[i] == c)
      ++count;
  return count;
}
```