ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 请将以下的汇编代码转换成C语言代码：

```asm
<append_to_string_with_size>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  mov    %rsi,%rbp
  mov    %rdx,%r12
  call   <strlen@plt>
  lea    0x1(%r12,%rax,1),%rsi
  mov    %rbx,%rdi
  call   <realloc@plt>
  mov    %rax,%rbx
  test   %rax,%rax
  je     L14
L11:
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <strcat@plt>
  mov    %rbx,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L14:
  lea    D9(%rip),%rdi
  call   <printf@plt>
  mov    $0x1,%edi
  call   <exit@plt>
  jmp    L11
```

tool_calls: name: unpack_data
arguments: data_label: D9
type_infered: string

tool: D9: Out of Memory!! Fuuuuuuuu

assistant: ```c
char *append_to_string_with_size(char *destination, char *append_string, long long size) {
  destination = realloc(destination, strlen(destination) + size + 1);
  if (destination == NULL) {
    printf("Out of Memory!! Fuuuuuuuu");
    exit(1);
  }
  strcat(destination, append_string);
  return destination;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<append_to_string_with_size>:
  endbr64
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  mov    %rdx,%rbx
  call   <strlen@plt>
  mov    %r12,%rdi
  lea    0x1(%rbx,%rax,1),%rsi
  call   <realloc@plt>
  mov    %rax,%r12
  test   %rax,%rax
  je     L10
L8:
  mov    %rbp,%rsi
  mov    %r12,%rdi
  call   <strcat@plt>
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  xchg   %ax,%ax
L10:
  lea    D9(%rip),%rdi
  call   <printf@plt>
  mov    $0x1,%edi
  call   <exit@plt>
  jmp    L8
```

tool_calls: name: read_data
arguments: label: D9
datatype: string

tool: D9: Out of Memory!! Fuuuuuuuu

assistant: ```c
char *append_to_string_with_size(char *destination, char *append_string, long long size) {
  destination = realloc(destination, strlen(destination) + size + 1);
  if (destination == NULL) {
    printf("Out of Memory!! Fuuuuuuuu");
    exit(1);
  }
  strcat(destination, append_string);
  return destination;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<append_to_string_with_size>:
  endbr64
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  mov    %rdx,%rbx
  call   <strlen@plt>
  mov    %r12,%rdi
  lea    0x1(%rbx,%rax,1),%rsi
  call   <realloc@plt>
  mov    %rax,%r12
  test   %rax,%rax
  je     L0
L3:
  mov    %rbp,%rsi
  mov    %r12,%rdi
  call   <strcat@plt>
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  xchg   %ax,%ax
L0:
  lea    D5(%rip),%rdi
  call   <printf@plt>
  mov    $0x1,%edi
  call   <exit@plt>
  jmp    L3
```

tool_calls: name: parse_data
arguments: label: D5
type_infered: string

tool: D5: Out of Memory!! Fuuuuuuuu

assistant: ```c
char *append_to_string_with_size(char *destination, char *append_string, long long size) {
  destination = realloc(destination, strlen(destination) + size + 1);
  if (destination == NULL) {
    printf("Out of Memory!! Fuuuuuuuu");
    exit(1);
  }
  strcat(destination, append_string);
  return destination;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<xrop3_151_0_0>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,%edx
  mov    %esi,%eax
  mov    %dl,-0x24(%rbp)
  mov    %al,-0x28(%rbp)
  movl   $0xff,-0x1c(%rbp)
  movzbl -0x24(%rbp),%eax
  shl    $0x8,%eax
  mov    %eax,%edx
  movzbl -0x24(%rbp),%eax
  or     %edx,%eax
  mov    %eax,-0x18(%rbp)
  movzbl -0x28(%rbp),%eax
  shl    $0x8,%eax
  mov    %eax,%edx
  movzbl -0x28(%rbp),%eax
  or     %edx,%eax
  mov    %eax,-0x14(%rbp)
  mov    -0x14(%rbp),%eax
  or     -0x18(%rbp),%eax
  mov    %eax,-0x10(%rbp)
  notl   -0x10(%rbp)
  mov    -0x1c(%rbp),%eax
  or     -0x10(%rbp),%eax
  mov    %eax,-0xc(%rbp)
  mov    -0x18(%rbp),%eax
  xor    -0xc(%rbp),%eax
  mov    %eax,-0x8(%rbp)
  mov    -0x14(%rbp),%eax
  xor    -0x8(%rbp),%eax
  mov    %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
unsigned xrop3_151_0_0(unsigned char s, unsigned char t) {
  unsigned D = 0x00ff;
  unsigned S = ((unsigned)s << 8) | s;
  unsigned T = ((unsigned)t << 8) | t;
  unsigned stk1;
  unsigned stk2;
  unsigned stk3;
  unsigned stk4;
  stk4 = T | S;
  stk4 = ~stk4;
  stk3 = D | stk4;
  stk2 = S ^ stk3;
  stk1 = T ^ stk2;
  return stk1;
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<xrop3_151_0_0>:
  endbr64
  movzbl %dil,%eax
  mov    %eax,%edi
  shl    $0x8,%edi
  or     %eax,%edi
  movzbl %sil,%eax
  mov    %eax,%esi
  shl    $0x8,%esi
  or     %eax,%esi
  mov    %edi,%eax
  or     %esi,%eax
  not    %eax
  or     $0xff,%al
  xor    %esi,%edi
  xor    %edi,%eax
  ret
```

assistant: ```c
unsigned xrop3_151_0_0(unsigned char s, unsigned char t) {
  unsigned D = 0x00ff;
  unsigned S = ((unsigned)s << 8) | s;
  unsigned T = ((unsigned)t << 8) | t;
  unsigned stk1;
  unsigned stk2;
  unsigned stk3;
  unsigned stk4;
  stk4 = T | S;
  stk4 = ~stk4;
  stk3 = D | stk4;
  stk2 = S ^ stk3;
  stk1 = T ^ stk2;
  return stk1;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<xrop3_151_0_0>:
  endbr64
  movzbl %dil,%eax
  mov    %eax,%edi
  shl    $0x8,%edi
  or     %eax,%edi
  movzbl %sil,%eax
  mov    %eax,%esi
  shl    $0x8,%esi
  or     %eax,%esi
  mov    %edi,%eax
  or     %esi,%eax
  xor    %esi,%edi
  not    %eax
  or     $0xff,%al
  xor    %edi,%eax
  ret
```

assistant: ```c
unsigned xrop3_151_0_0(unsigned char s, unsigned char t) {
  unsigned D = 0x00ff;
  unsigned S = ((unsigned)s << 8) | s;
  unsigned T = ((unsigned)t << 8) | t;
  unsigned stk1;
  unsigned stk2;
  unsigned stk3;
  unsigned stk4;
  stk4 = T | S;
  stk4 = ~stk4;
  stk3 = D | stk4;
  stk2 = S ^ stk3;
  stk1 = T ^ stk2;
  return stk1;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<xrop3_151_0_0>:
  endbr64
  movzbl %dil,%eax
  mov    %eax,%edi
  shl    $0x8,%edi
  or     %eax,%edi
  movzbl %sil,%eax
  mov    %eax,%esi
  shl    $0x8,%esi
  or     %eax,%esi
  mov    %edi,%eax
  or     %esi,%eax
  xor    %esi,%edi
  not    %eax
  or     $0xff,%al
  xor    %edi,%eax
  ret
```

assistant: ```c
unsigned xrop3_151_0_0(unsigned char s, unsigned char t) {
  unsigned D = 0x00ff;
  unsigned S = ((unsigned)s << 8) | s;
  unsigned T = ((unsigned)t << 8) | t;
  unsigned stk1;
  unsigned stk2;
  unsigned stk3;
  unsigned stk4;
  stk4 = T | S;
  stk4 = ~stk4;
  stk3 = D | stk4;
  stk2 = S ^ stk3;
  stk1 = T ^ stk2;
  return stk1;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<longestNonDecSeq>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x38,%rsp
  mov    %rdi,-0x38(%rbp)
  mov    %esi,-0x3c(%rbp)
  cmpq   $0x0,-0x38(%rbp)
  je     L75
  cmpl   $0x0,-0x3c(%rbp)
  jg     L55
L75:
  mov    $0xffffffff,%eax
  jmp    L56
L55:
  mov    -0x3c(%rbp),%eax
  mov    %eax,%esi
  mov    $0x4,%edi
  call   <calloc@plt>
  mov    %rax,-0x18(%rbp)
  movl   $0x0,-0x24(%rbp)
  jmp    L54
L22:
  mov    -0x24(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movl   $0x1,(%rax)
  addl   $0x1,-0x24(%rbp)
L54:
  mov    -0x24(%rbp),%eax
  cmp    -0x3c(%rbp),%eax
  jl     L22
  mov    -0x18(%rbp),%rax
  mov    (%rax),%eax
  mov    %eax,-0x20(%rbp)
  movl   $0x1,-0x1c(%rbp)
  jmp    L65
L67:
  mov    -0x1c(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%edx
  mov    -0x1c(%rbp),%eax
  cltq
  shl    $0x2,%rax
  lea    -0x4(%rax),%rcx
  mov    -0x38(%rbp),%rax
  add    %rcx,%rax
  mov    (%rax),%eax
  cmp    %eax,%edx
  jl     L39
  mov    -0x1c(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  mov    -0x1c(%rbp),%edx
  movslq %edx,%rdx
  shl    $0x2,%rdx
  lea    -0x4(%rdx),%rcx
  mov    -0x18(%rbp),%rdx
  add    %rcx,%rdx
  mov    (%rdx),%edx
  add    $0x1,%edx
  mov    -0x1c(%rbp),%ecx
  movslq %ecx,%rcx
  lea    0x0(,%rcx,4),%rsi
  mov    -0x18(%rbp),%rcx
  lea    (%rsi,%rcx,1),%rbx
  mov    %eax,%esi
  mov    %edx,%edi
  call   <max@plt>
  mov    %eax,(%rbx)
L39:
  mov    -0x1c(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%edx
  mov    -0x20(%rbp),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <max@plt>
  mov    %eax,-0x20(%rbp)
  addl   $0x1,-0x1c(%rbp)
L65:
  mov    -0x1c(%rbp),%eax
  cmp    -0x3c(%rbp),%eax
  jl     L67
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    -0x20(%rbp),%eax
L56:
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
int longestNonDecSeq(int *xs, int size) {
  if (!xs || size <= 0)
    return -1;
  int *sol = calloc(sizeof(int), size);
  for (int i = 0; i < size; i++)
    sol[i] = 1;
  int longest = sol[0];
  for (int i = 1; i < size; i++) {
    if (xs[i] >= xs[i - 1])
      sol[i] = max(sol[i - 1] + 1, sol[i]);
    longest = max(longest, sol[i]);
  }
  free(sol);
  return longest;
}
```
user: What is the c source code of the assembly code below:

```asm
<longestNonDecSeq>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  test   %rdi,%rdi
  je     L76
  mov    %rdi,%r14
  mov    %esi,%r12d
  test   %esi,%esi
  jle    L76
  mov    $0x4,%edi
  call   <calloc@plt>
  mov    %rax,%r13
  mov    $0x0,%eax
L29:
  movl   $0x1,0x0(%r13,%rax,4)
  add    $0x1,%rax
  cmp    %eax,%r12d
  jg     L29
  mov    0x0(%r13),%ebp
  cmp    $0x1,%r12d
  jle    L2
  lea    0x4(%r14),%rbx
  lea    0x4(%r13),%r15
  lea    -0x2(%r12),%eax
  lea    0x8(%r14,%rax,4),%r12
  jmp    L22
L51:
  mov    (%r15),%esi
  mov    %ebp,%edi
  call   <max@plt>
  mov    %eax,%ebp
  add    $0x4,%rbx
  add    $0x4,%r15
  cmp    %r12,%rbx
  je     L2
L22:
  mov    -0x4(%rbx),%eax
  cmp    %eax,(%rbx)
  jl     L51
  mov    -0x4(%r15),%eax
  lea    0x1(%rax),%edi
  mov    (%r15),%esi
  call   <max@plt>
  mov    %eax,(%r15)
  jmp    L51
L2:
  mov    %r13,%rdi
  call   <free@plt>
L64:
  mov    %ebp,%eax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L76:
  mov    $0xffffffff,%ebp
  jmp    L64
```

assistant: ```c
int longestNonDecSeq(int *xs, int size) {
  if (!xs || size <= 0)
    return -1;
  int *sol = calloc(sizeof(int), size);
  for (int i = 0; i < size; i++)
    sol[i] = 1;
  int longest = sol[0];
  for (int i = 1; i < size; i++) {
    if (xs[i] >= xs[i - 1])
      sol[i] = max(sol[i - 1] + 1, sol[i]);
    longest = max(longest, sol[i]);
  }
  free(sol);
  return longest;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<longestNonDecSeq>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  test   %rdi,%rdi
  je     L12
  mov    %esi,%r14d
  test   %esi,%esi
  jle    L12
  mov    %rdi,%r15
  mov    $0x4,%edi
  call   <calloc@plt>
  mov    %rax,%r13
  xor    %eax,%eax
  nopl   0x0(%rax,%rax,1)
L16:
  movl   $0x1,0x0(%r13,%rax,4)
  add    $0x1,%rax
  cmp    %eax,%r14d
  jg     L16
  mov    0x0(%r13),%ebp
  cmp    $0x1,%r14d
  je     L25
  lea    -0x2(%r14),%eax
  lea    0x4(%r15),%rbx
  lea    0x4(%r13),%r12
  lea    0x8(%r15,%rax,4),%r14
  jmp    L75
  nop
L89:
  mov    %ebp,%edi
  add    $0x4,%rbx
  add    $0x4,%r12
  call   <max@plt>
  mov    %eax,%ebp
  cmp    %r14,%rbx
  je     L25
L75:
  mov    (%r12),%esi
  mov    -0x4(%rbx),%eax
  cmp    %eax,(%rbx)
  jl     L89
  mov    -0x4(%r12),%eax
  lea    0x1(%rax),%edi
  call   <max@plt>
  mov    %eax,(%r12)
  mov    %eax,%esi
  jmp    L89
  cs nopw 0x0(%rax,%rax,1)
L25:
  mov    %r13,%rdi
  call   <free@plt>
L87:
  add    $0x8,%rsp
  mov    %ebp,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L12:
  mov    $0xffffffff,%ebp
  jmp    L87
```

assistant: ```c
int longestNonDecSeq(int *xs, int size) {
  if (!xs || size <= 0)
    return -1;
  int *sol = calloc(sizeof(int), size);
  for (int i = 0; i < size; i++)
    sol[i] = 1;
  int longest = sol[0];
  for (int i = 1; i < size; i++) {
    if (xs[i] >= xs[i - 1])
      sol[i] = max(sol[i - 1] + 1, sol[i]);
    longest = max(longest, sol[i]);
  }
  free(sol);
  return longest;
}
```
user: What is the c source code of the assembly code below?

```asm
<longestNonDecSeq>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  test   %rdi,%rdi
  je     L77
  mov    %esi,%r13d
  test   %esi,%esi
  jle    L77
  mov    %rdi,%r15
  mov    $0x4,%edi
  call   <calloc@plt>
  test   %r13d,%r13d
  mov    $0x1,%ecx
  cmovg  %r13d,%ecx
  mov    %rax,%r12
  cmp    $0x3,%r13d
  jle    L92
  mov    %ecx,%edx
  movdqa D5(%rip),%xmm0
  shr    $0x2,%edx
  shl    $0x4,%rdx
  add    %rax,%rdx
L45:
  movups %xmm0,(%rax)
  add    $0x10,%rax
  cmp    %rdx,%rax
  jne    L45
  mov    %ecx,%eax
  and    $0xfffffffc,%eax
  and    $0x3,%ecx
  je     L68
  movslq %eax,%rdx
  add    $0x1,%eax
  movl   $0x1,(%r12,%rdx,4)
  lea    0x0(,%rdx,4),%rcx
  cmp    %eax,%r13d
  jle    L68
L118:
  movl   $0x1,0x4(%r12,%rcx,1)
  add    $0x1,%eax
  cmp    %eax,%r13d
  jle    L68
  movl   $0x1,0x8(%r12,%rcx,1)
L68:
  lea    -0x2(%r13),%eax
  mov    (%r12),%ebp
  lea    0x4(%r15),%rbx
  lea    0x4(%r12),%r14
  lea    0x8(%r15,%rax,4),%r13
  jmp    L76
  nopl   0x0(%rax,%rax,1)
L132:
  mov    %ebp,%edi
  add    $0x4,%rbx
  add    $0x4,%r14
  call   <max@plt>
  mov    %eax,%ebp
  cmp    %r13,%rbx
  je     L21
L76:
  mov    (%r14),%esi
  mov    -0x4(%rbx),%eax
  cmp    %eax,(%rbx)
  jl     L132
  mov    -0x4(%r14),%eax
  lea    0x1(%rax),%edi
  call   <max@plt>
  mov    %eax,(%r14)
  mov    %eax,%esi
  jmp    L132
  nopl   0x0(%rax,%rax,1)
L92:
  movl   $0x1,(%rax)
  mov    $0x1,%ebp
  cmp    $0x1,%r13d
  jne    L54
  nopl   0x0(%rax)
L21:
  mov    %r12,%rdi
  call   <free@plt>
L138:
  add    $0x8,%rsp
  mov    %ebp,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L54:
  mov    $0x1,%eax
  xor    %ecx,%ecx
  jmp    L118
L77:
  mov    $0xffffffff,%ebp
  jmp    L138
```

tool_calls: name: unpack_data
arguments: tag: D5
datatype: byte[16]

tool: {"D5": [0x01,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x01,0x00,0x00,0x00]}

assistant: ```c
int longestNonDecSeq(int *xs, int size) {
  if (!xs || size <= 0)
    return -1;
  int *sol = calloc(sizeof(int), size);
  for (int i = 0; i < size; i++)
    sol[i] = 1;
  int longest = sol[0];
  for (int i = 1; i < size; i++) {
    if (xs[i] >= xs[i - 1])
      sol[i] = max(sol[i - 1] + 1, sol[i]);
    longest = max(longest, sol[i]);
  }
  free(sol);
  return longest;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<MonoalphabeticEncrypt>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  mov    %rdx,-0x28(%rbp)
  movl   $0x0,-0xc(%rbp)
  jmp    L29
L23:
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,-0x8(%rbp)
  cmpl   $0x40,-0x8(%rbp)
  jle    L18
  cmpl   $0x5a,-0x8(%rbp)
  jg     L18
  mov    -0x8(%rbp),%eax
  sub    $0x41,%eax
  mov    %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    -0xc(%rbp),%edx
  movslq %edx,%rcx
  mov    -0x18(%rbp),%rdx
  add    %rcx,%rdx
  movzbl (%rax),%eax
  mov    %al,(%rdx)
L18:
  addl   $0x1,-0xc(%rbp)
L29:
  mov    -0xc(%rbp),%eax
  cmp    -0x1c(%rbp),%eax
  jl     L23
  mov    $0x0,%eax
  pop    %rbp
  ret
```

assistant: ```c
int MonoalphabeticEncrypt(char text[], int letters, char *enc_table) {
  int i, ascii, letterIndex;
  for (i = 0; i < letters; i++) {
    ascii = (int)text[i];
    if ((ascii >= 'A') && (ascii <= 'Z')) {
      letterIndex = ascii - 'A';
      text[i] = enc_table[letterIndex];
    }
  }
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<MonoalphabeticEncrypt>:
  endbr64
  test   %esi,%esi
  jle    L23
  mov    %rdi,%rcx
  lea    -0x1(%rsi),%eax
  lea    0x1(%rdi,%rax,1),%rdi
  jmp    L4
L46:
  add    $0x1,%rcx
  cmp    %rdi,%rcx
  je     L23
L4:
  movzbl (%rcx),%eax
  movsbl %al,%esi
  sub    $0x41,%esi
  cmp    $0x19,%esi
  ja     L46
  mov    %esi,%eax
  cltq
  movzbl (%rdx,%rax,1),%eax
  mov    %al,(%rcx)
  jmp    L46
L23:
  mov    $0x0,%eax
  ret
```

assistant: ```c
int MonoalphabeticEncrypt(char text[], int letters, char *enc_table) {
  int i, ascii, letterIndex;
  for (i = 0; i < letters; i++) {
    ascii = (int)text[i];
    if ((ascii >= 'A') && (ascii <= 'Z')) {
      letterIndex = ascii - 'A';
      text[i] = enc_table[letterIndex];
    }
  }
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<MonoalphabeticEncrypt>:
  endbr64
  test   %esi,%esi
  jle    L1
  lea    -0x1(%rsi),%eax
  lea    0x1(%rdi,%rax,1),%rcx
L7:
  movsbl (%rdi),%eax
  sub    $0x41,%eax
  cmp    $0x19,%eax
  ja     L17
  cltq
  movzbl (%rdx,%rax,1),%eax
  mov    %al,(%rdi)
L17:
  add    $0x1,%rdi
  cmp    %rcx,%rdi
  jne    L7
L1:
  xor    %eax,%eax
  ret
```

assistant: ```c
int MonoalphabeticEncrypt(char text[], int letters, char *enc_table) {
  int i, ascii, letterIndex;
  for (i = 0; i < letters; i++) {
    ascii = (int)text[i];
    if ((ascii >= 'A') && (ascii <= 'Z')) {
      letterIndex = ascii - 'A';
      text[i] = enc_table[letterIndex];
    }
  }
  return 0;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<MonoalphabeticEncrypt>:
  endbr64
  test   %esi,%esi
  jle    L0
  lea    -0x1(%rsi),%eax
  lea    0x1(%rdi,%rax,1),%rcx
L21:
  movsbl (%rdi),%eax
  sub    $0x41,%eax
  cmp    $0x19,%eax
  ja     L12
  cltq
  movzbl (%rdx,%rax,1),%eax
  mov    %al,(%rdi)
L12:
  add    $0x1,%rdi
  cmp    %rdi,%rcx
  jne    L21
L0:
  xor    %eax,%eax
  ret
```

assistant: ```c
int MonoalphabeticEncrypt(char text[], int letters, char *enc_table) {
  int i, ascii, letterIndex;
  for (i = 0; i < letters; i++) {
    ascii = (int)text[i];
    if ((ascii >= 'A') && (ascii <= 'Z')) {
      letterIndex = ascii - 'A';
      text[i] = enc_table[letterIndex];
    }
  }
  return 0;
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<find_next_bit>:
  endbr64
  mov    %rdx,%rcx
  mov    %rsi,%rax
  cmp    %rsi,%rdx
  jae    L85
  mov    %rdx,%rax
  shr    $0x6,%rax
  lea    (%rdi,%rax,8),%rdi
  mov    %rdx,%r8
  and    $0xffffffffffffffc0,%r8
  sub    %r8,%rsi
  and    $0x3f,%ecx
  je     L63
  mov    $0xffffffffffffffff,%rdx
  shl    %cl,%rdx
  and    (%rdi),%rdx
  cmp    $0x3f,%rsi
  jbe    L11
  test   %rdx,%rdx
  jne    L76
  add    $0x8,%rdi
  sub    $0x40,%rsi
  add    $0x40,%r8
L63:
  test   $0xffffffffffffffc0,%rsi
  je     L1
  mov    %r8,%rax
  lea    (%r8,%rsi,1),%rcx
L35:
  add    $0x8,%rdi
  mov    -0x8(%rdi),%rdx
  test   %rdx,%rdx
  jne    L114
  add    $0x40,%rax
  mov    %rcx,%rsi
  sub    %rax,%rsi
  test   $0xffffffffffffffc0,%rsi
  jne    L35
L4:
  test   %rsi,%rsi
  je     L85
  mov    (%rdi),%rdx
L66:
  mov    $0x40,%ecx
  sub    %esi,%ecx
  mov    $0xffffffffffffffff,%rdi
  shr    %cl,%rdi
  and    %rdi,%rdx
  je     L51
L114:
  bsf    %rdx,%rdx
  mov    $0xffffffffffffffff,%rcx
  cmove  %rcx,%rdx
  movslq %edx,%rdx
  add    %rdx,%rax
L85:
  ret
L1:
  mov    %r8,%rax
  jmp    L4
L11:
  mov    %r8,%rax
  jmp    L66
L51:
  add    %rsi,%rax
  ret
L76:
  mov    %r8,%rax
  jmp    L114
```

assistant: ```c
unsigned long find_next_bit(const unsigned long *addr, unsigned long size, unsigned long offset) {
  const unsigned long *p = addr + ((offset) / ((int)((sizeof(long) * 8))));
  unsigned long result = offset & ~(((int)((sizeof(long) * 8))) - 1);
  unsigned long tmp;
  if (offset >= size)
    return size;
  size -= result;
  offset %= ((int)((sizeof(long) * 8)));
  if (offset) {
    tmp = *(p++);
    tmp &= (~0UL << offset);
    if (size < ((int)((sizeof(long) * 8))))
      goto found_first;
    if (tmp)
      goto found_middle;
    size -= ((int)((sizeof(long) * 8)));
    result += ((int)((sizeof(long) * 8)));
  }
  while (size & ~(((int)((sizeof(long) * 8))) - 1)) {
    if ((tmp = *(p++)))
      goto found_middle;
    result += ((int)((sizeof(long) * 8)));
    size -= ((int)((sizeof(long) * 8)));
  }
  if (!size)
    return result;
  tmp = *p;
found_first:
  tmp &= (~0UL >> (((int)((sizeof(long) * 8))) - size));
  if (tmp == 0UL)
    return result + size;
found_middle:
  return result + (__builtin_ffsl(tmp) - 1);
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<find_next_bit>:
  endbr64
  mov    %rdx,%rcx
  mov    %rsi,%rax
  cmp    %rsi,%rdx
  jae    L53
  mov    %rdx,%rax
  shr    $0x6,%rax
  lea    (%rdi,%rax,8),%rdi
  mov    %rdx,%rax
  and    $0xffffffffffffffc0,%rax
  sub    %rax,%rsi
  and    $0x3f,%ecx
  jne    L30
L23:
  test   $0xffffffffffffffc0,%rsi
  je     L17
  lea    (%rax,%rsi,1),%rcx
  jmp    L106
  nopl   0x0(%rax,%rax,1)
L38:
  add    $0x40,%rax
  mov    %rcx,%rsi
  sub    %rax,%rsi
  test   $0xffffffffffffffc0,%rsi
  je     L17
L106:
  mov    (%rdi),%rdx
  add    $0x8,%rdi
  test   %rdx,%rdx
  je     L38
L89:
  tzcnt  %rdx,%rdx
  movslq %edx,%rdx
  add    %rdx,%rax
L53:
  ret
  nopl   0x0(%rax,%rax,1)
L30:
  mov    $0xffffffffffffffff,%rdx
  shl    %cl,%rdx
  and    (%rdi),%rdx
  cmp    $0x3f,%rsi
  jbe    L79
  test   %rdx,%rdx
  jne    L89
  add    $0x8,%rdi
  sub    $0x40,%rsi
  add    $0x40,%rax
  jmp    L23
  cs nopw 0x0(%rax,%rax,1)
L17:
  test   %rsi,%rsi
  je     L53
  mov    (%rdi),%rdx
L79:
  mov    $0x40,%ecx
  mov    $0xffffffffffffffff,%rdi
  sub    %esi,%ecx
  shr    %cl,%rdi
  and    %rdi,%rdx
  jne    L89
  add    %rsi,%rax
  ret
```

assistant: ```c
unsigned long find_next_bit(const unsigned long *addr, unsigned long size, unsigned long offset) {
  const unsigned long *p = addr + ((offset) / ((int)((sizeof(long) * 8))));
  unsigned long result = offset & ~(((int)((sizeof(long) * 8))) - 1);
  unsigned long tmp;
  if (offset >= size)
    return size;
  size -= result;
  offset %= ((int)((sizeof(long) * 8)));
  if (offset) {
    tmp = *(p++);
    tmp &= (~0UL << offset);
    if (size < ((int)((sizeof(long) * 8))))
      goto found_first;
    if (tmp)
      goto found_middle;
    size -= ((int)((sizeof(long) * 8)));
    result += ((int)((sizeof(long) * 8)));
  }
  while (size & ~(((int)((sizeof(long) * 8))) - 1)) {
    if ((tmp = *(p++)))
      goto found_middle;
    result += ((int)((sizeof(long) * 8)));
    size -= ((int)((sizeof(long) * 8)));
  }
  if (!size)
    return result;
  tmp = *p;
found_first:
  tmp &= (~0UL >> (((int)((sizeof(long) * 8))) - size));
  if (tmp == 0UL)
    return result + size;
found_middle:
  return result + (__builtin_ffsl(tmp) - 1);
}
```