ylfeng/ReF-Decompile-dataset huggingface dataset:
user: What is the c source code of the assembly code below?

```asm
<trim>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbp
  mov    $0x0,%ebx
L10:
  mov    %ebx,%r12d
  mov    %rbp,%rdi
  call   <strlen@plt>
  cmp    %ebx,%eax
  jle    L5
  add    $0x1,%rbx
  cmpb   $0x20,-0x1(%rbp,%rbx,1)
  je     L10
L5:
  mov    %rbp,%rdi
  call   <strlen@plt>
  lea    0x1(%rax),%edx
  movslq %r12d,%rsi
  add    %rbp,%rsi
  mov    %rbp,%rdi
  call   <strncpy@plt>
  mov    %rbp,%rdi
  call   <strlen@plt>
  sub    $0x1,%eax
  js     L24
  movslq %eax,%rdx
  add    %rbp,%rdx
L20:
  cmpb   $0x20,(%rdx)
  jne    L24
  sub    $0x1,%eax
  sub    $0x1,%rdx
  cmp    $0xffffffff,%eax
  jne    L20
L24:
  cltq
  movb   $0x0,0x1(%rbp,%rax,1)
  mov    %rbp,%rdi
  call   <strlen@plt>
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
int trim(char *str) {
  int x;
  for (x = 0; x < strlen(str); x++)
    if (str[x] != ' ')
      break;
  strncpy(str, str + x, strlen(str) + 1);
  for (x = strlen(str) - 1; x >= 0; x--)
    if (str[x] != ' ')
      break;
  str[x + 1] = 0;
  return strlen(str);
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<trim>:
  endbr64
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  xor    %ebx,%ebx
  jmp    L49
  nop
L69:
  add    $0x1,%rbx
  cmpb   $0x20,-0x1(%rbp,%rbx,1)
  jne    L42
L49:
  mov    %rbp,%rdi
  lea    0x0(%rbp,%rbx,1),%r12
  call   <strlen@plt>
  cmp    %ebx,%eax
  jg     L69
L42:
  mov    %rbp,%rdi
  call   <strlen@plt>
  mov    %r12,%rsi
  mov    %rbp,%rdi
  lea    0x1(%rax),%edx
  call   <strncpy@plt>
  mov    %rbp,%rdi
  call   <strlen@plt>
  mov    %eax,%edx
  sub    $0x1,%edx
  js     L41
  movslq %edx,%rax
  add    %rbp,%rax
  jmp    L52
  nopl   0x0(%rax)
L30:
  sub    $0x1,%edx
  sub    $0x1,%rax
  cmp    $0xffffffff,%edx
  je     L17
L52:
  cmpb   $0x20,(%rax)
  mov    %rax,%rcx
  je     L30
  add    $0x1,%edx
  movslq %edx,%rdx
  lea    0x0(%rbp,%rdx,1),%rcx
L17:
  movb   $0x0,(%rcx)
  mov    %rbp,%rdi
  pop    %rbx
  pop    %rbp
  pop    %r12
  jmp    1070 <strlen@plt>
L41:
  cltq
  lea    0x0(%rbp,%rax,1),%rcx
  jmp    L17
```

assistant: ```c
int trim(char *str) {
  int x;
  for (x = 0; x < strlen(str); x++)
    if (str[x] != ' ')
      break;
  strncpy(str, str + x, strlen(str) + 1);
  for (x = strlen(str) - 1; x >= 0; x--)
    if (str[x] != ' ')
      break;
  str[x + 1] = 0;
  return strlen(str);
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<trim>:
  endbr64
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  xor    %ebx,%ebx
  jmp    L25
  nop
L7:
  add    $0x1,%rbx
  cmpb   $0x20,-0x1(%rbp,%rbx,1)
  jne    L65
L25:
  mov    %rbp,%rdi
  lea    0x0(%rbp,%rbx,1),%r12
  call   <strlen@plt>
  cmp    %ebx,%eax
  jg     L7
L65:
  mov    %rbp,%rdi
  call   <strlen@plt>
  mov    %r12,%rsi
  mov    %rbp,%rdi
  lea    0x1(%rax),%edx
  call   <strncpy@plt>
  mov    %rbp,%rdi
  call   <strlen@plt>
  mov    %eax,%edx
  sub    $0x1,%edx
  js     L27
  movslq %edx,%rax
  add    %rbp,%rax
  jmp    L71
  nopl   0x0(%rax)
L13:
  sub    $0x1,%edx
  sub    $0x1,%rax
  cmp    $0xffffffff,%edx
  je     L58
L71:
  cmpb   $0x20,(%rax)
  mov    %rax,%rcx
  je     L13
  add    $0x1,%edx
  movslq %edx,%rdx
  lea    0x0(%rbp,%rdx,1),%rcx
L58:
  movb   $0x0,(%rcx)
  mov    %rbp,%rdi
  pop    %rbx
  pop    %rbp
  pop    %r12
  jmp    1070 <strlen@plt>
L27:
  cltq
  lea    0x0(%rbp,%rax,1),%rcx
  jmp    L58
```

assistant: ```c
int trim(char *str) {
  int x;
  for (x = 0; x < strlen(str); x++)
    if (str[x] != ' ')
      break;
  strncpy(str, str + x, strlen(str) + 1);
  for (x = strlen(str) - 1; x >= 0; x--)
    if (str[x] != ' ')
      break;
  str[x + 1] = 0;
  return strlen(str);
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<unescape>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,%eax
  mov    %al,-0x4(%rbp)
  movsbl -0x4(%rbp),%eax
  cmp    $0x6e,%eax
  je     L27
  cmp    $0x74,%eax
  jne    L3
  mov    $0x9,%eax
  jmp    L11
L27:
  mov    $0xa,%eax
  jmp    L11
L3:
  movzbl -0x4(%rbp),%eax
L11:
  pop    %rbp
  ret
```

assistant: ```c
char unescape(char c) {
  switch (c) {
  case 't':
    return '\t';
  case 'n':
    return '\n';
  default:
    return c;
  }
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<unescape>:
  endbr64
  mov    %edi,%eax
  cmp    $0x6e,%dil
  je     L2
  cmp    $0x74,%dil
  mov    $0x9,%edx
  cmove  %edx,%eax
  ret
L2:
  mov    $0xa,%eax
  ret
```

assistant: ```c
char unescape(char c) {
  switch (c) {
  case 't':
    return '\t';
  case 'n':
    return '\n';
  default:
    return c;
  }
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<unescape>:
  endbr64
  mov    $0xa,%eax
  cmp    $0x6e,%dil
  je     L1
  cmp    $0x74,%dil
  mov    $0x9,%eax
  cmovne %edi,%eax
L1:
  ret
```

assistant: ```c
char unescape(char c) {
  switch (c) {
  case 't':
    return '\t';
  case 'n':
    return '\n';
  default:
    return c;
  }
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<unescape>:
  endbr64
  mov    $0xa,%eax
  cmp    $0x6e,%dil
  je     L0
  cmp    $0x74,%dil
  mov    $0x9,%eax
  cmovne %edi,%eax
L0:
  ret
```

assistant: ```c
char unescape(char c) {
  switch (c) {
  case 't':
    return '\t';
  case 'n':
    return '\n';
  default:
    return c;
  }
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<assert_float_near>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  movss  %xmm0,-0x4(%rbp)
  movss  %xmm1,-0x8(%rbp)
  movss  %xmm2,-0xc(%rbp)
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %edx,-0x10(%rbp)
  movss  -0xc(%rbp),%xmm1
  movss  -0x8(%rbp),%xmm0
  mov    -0x4(%rbp),%eax
  movaps %xmm1,%xmm2
  movaps %xmm0,%xmm1
  movd   %eax,%xmm0
  call   <is_float_near@plt>
  test   %rax,%rax
  je     L16
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <minitest_pass@plt>
  jmp    L1
L16:
  mov    -0x10(%rbp),%edx
  mov    -0x20(%rbp),%rcx
  mov    -0x18(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <minitest_fail@plt>
L1:
  leave
  ret
```

assistant: ```c
int assert_float_near(float expected, float actual, float epsilon, const char *msg, const char *caller, int line) {
  if (is_float_near(expected, actual, epsilon)) {
    return minitest_pass(msg);
  } else {
    return minitest_fail(msg, caller, line);
  }
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<assert_float_near>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  mov    %rsi,%rbp
  mov    %edx,%r12d
  call   <is_float_near@plt>
  test   %rax,%rax
  je     L19
  mov    %rbx,%rdi
  call   <minitest_pass@plt>
L4:
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L19:
  mov    %r12d,%edx
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <minitest_fail@plt>
  jmp    L4
```

assistant: ```c
int assert_float_near(float expected, float actual, float epsilon, const char *msg, const char *caller, int line) {
  if (is_float_near(expected, actual, epsilon)) {
    return minitest_pass(msg);
  } else {
    return minitest_fail(msg, caller, line);
  }
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<assert_float_near>:
  endbr64
  push   %r13
  mov    %edx,%r13d
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  mov    %rdi,%rbp
  call   <is_float_near@plt>
  test   %rax,%rax
  je     L3
  mov    %rbp,%rdi
  pop    %rbp
  pop    %r12
  pop    %r13
  jmp    1090 <minitest_pass@plt>
  nopl   0x0(%rax)
L3:
  mov    %r13d,%edx
  mov    %r12,%rsi
  mov    %rbp,%rdi
  pop    %rbp
  pop    %r12
  pop    %r13
  jmp    1080 <minitest_fail@plt>
```

assistant: ```c
int assert_float_near(float expected, float actual, float epsilon, const char *msg, const char *caller, int line) {
  if (is_float_near(expected, actual, epsilon)) {
    return minitest_pass(msg);
  } else {
    return minitest_fail(msg, caller, line);
  }
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<assert_float_near>:
  endbr64
  push   %r13
  mov    %edx,%r13d
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  mov    %rdi,%rbp
  call   <is_float_near@plt>
  test   %rax,%rax
  je     L7
  mov    %rbp,%rdi
  pop    %rbp
  pop    %r12
  pop    %r13
  jmp    1090 <minitest_pass@plt>
  nopl   0x0(%rax)
L7:
  mov    %r13d,%edx
  mov    %r12,%rsi
  mov    %rbp,%rdi
  pop    %rbp
  pop    %r12
  pop    %r13
  jmp    1080 <minitest_fail@plt>
```

assistant: ```c
int assert_float_near(float expected, float actual, float epsilon, const char *msg, const char *caller, int line) {
  if (is_float_near(expected, actual, epsilon)) {
    return minitest_pass(msg);
  } else {
    return minitest_fail(msg, caller, line);
  }
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<msg_output>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x1e0,%rsp
  mov    %edi,-0x1d4(%rbp)
  mov    %rsi,-0x1e0(%rbp)
  mov    %rdx,-0xa0(%rbp)
  mov    %rcx,-0x98(%rbp)
  mov    %r8,-0x90(%rbp)
  mov    %r9,-0x88(%rbp)
  test   %al,%al
  je     L4
  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)
L4:
  mov    %fs:0x28,%rax
  mov    %rax,-0xb8(%rbp)
  xor    %eax,%eax
  mov    -0x1e0(%rbp),%rdx
  mov    -0x1c4(%rbp),%eax
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <va_start@plt>
  mov    -0x1c4(%rbp),%ecx
  mov    -0x1e0(%rbp),%rdx
  lea    -0x1c0(%rbp),%rax
  mov    $0x100,%esi
  mov    %rax,%rdi
  call   <vsnprintf@plt>
  mov    -0x1c4(%rbp),%eax
  mov    %eax,%edi
  call   <va_end@plt>
  lea    -0x1c0(%rbp),%rdx
  mov    -0x1d4(%rbp),%eax
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <clif_displaymessage@plt>
  nop
  mov    -0xb8(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L8
  call   <__stack_chk_fail@plt>
L8:
  leave
  ret
```

assistant: ```c
void msg_output(const int fd, const char *format, ...) {
  char output[256];
  va_list ap;
  va_start(ap, format);
  vsnprintf(output, sizeof(output), format, ap);
  va_end(ap);
  clif_displaymessage(fd, output);
  return;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<msg_output>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x118,%rsp
  mov    %edi,%ebp
  mov    %rsi,%rbx
  mov    %fs:0x28,%rax
  mov    %rax,0x108(%rsp)
  xor    %eax,%eax
  mov    $0x0,%r12d
  mov    %r12d,%edi
  call   <va_start@plt>
  mov    %rsp,%r13
  mov    %r12d,%ecx
  mov    %rbx,%rdx
  mov    $0x100,%esi
  mov    %r13,%rdi
  call   <vsnprintf@plt>
  mov    %r12d,%edi
  call   <va_end@plt>
  mov    %r13,%rsi
  mov    %ebp,%edi
  call   <clif_displaymessage@plt>
  mov    0x108(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L4
  add    $0x118,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L4:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void msg_output(const int fd, const char *format, ...) {
  char output[256];
  va_list ap;
  va_start(ap, format);
  vsnprintf(output, sizeof(output), format, ap);
  va_end(ap);
  clif_displaymessage(fd, output);
  return;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<msg_output>:
  endbr64
  push   %r14
  push   %r13
  xor    %r13d,%r13d
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  mov    %edi,%ebp
  mov    %r13d,%edi
  sub    $0x118,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x108(%rsp)
  xor    %eax,%eax
  mov    %rsp,%r14
  call   <va_start@plt>
  mov    $0x100,%esi
  mov    %r13d,%ecx
  mov    %r12,%rdx
  mov    %r14,%rdi
  call   <vsnprintf@plt>
  mov    %r13d,%edi
  call   <va_end@plt>
  mov    %r14,%rsi
  mov    %ebp,%edi
  call   <clif_displaymessage@plt>
  mov    0x108(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L9
  add    $0x118,%rsp
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L9:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void msg_output(const int fd, const char *format, ...) {
  char output[256];
  va_list ap;
  va_start(ap, format);
  vsnprintf(output, sizeof(output), format, ap);
  va_end(ap);
  clif_displaymessage(fd, output);
  return;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<msg_output>:
  endbr64
  push   %r14
  push   %r13
  xor    %r13d,%r13d
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  mov    %edi,%ebp
  mov    %r13d,%edi
  sub    $0x118,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x108(%rsp)
  xor    %eax,%eax
  mov    %rsp,%r14
  call   <va_start@plt>
  mov    $0x100,%esi
  mov    %r13d,%ecx
  mov    %r12,%rdx
  mov    %r14,%rdi
  call   <vsnprintf@plt>
  mov    %r13d,%edi
  call   <va_end@plt>
  mov    %r14,%rsi
  mov    %ebp,%edi
  call   <clif_displaymessage@plt>
  mov    0x108(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L8
  add    $0x118,%rsp
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L8:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
void msg_output(const int fd, const char *format, ...) {
  char output[256];
  va_list ap;
  va_start(ap, format);
  vsnprintf(output, sizeof(output), format, ap);
  va_end(ap);
  clif_displaymessage(fd, output);
  return;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<str_parse>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  movl   $0x0,-0x10(%rbp)
  mov    -0x18(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  cmp    $0x2,%eax
  jle    L115
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x30,%al
  jne    L115
  mov    -0x18(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  cmp    $0x78,%al
  jne    L115
  movl   $0x2,-0x10(%rbp)
  jmp    L115
L42:
  addl   $0x1,-0x10(%rbp)
L115:
  mov    -0x10(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <isdigit@plt>
  test   %rax,%rax
  jne    L42
  mov    -0x10(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x61,%al
  je     L42
  mov    -0x10(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x62,%al
  je     L42
  mov    -0x10(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x63,%al
  je     L42
  mov    -0x10(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x64,%al
  je     L42
  mov    -0x10(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x65,%al
  je     L42
  mov    -0x10(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x66,%al
  je     L42
  addl   $0x1,-0x10(%rbp)
  mov    -0x10(%rbp),%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x8(%rbp)
  movl   $0x0,-0xc(%rbp)
  jmp    L14
L105:
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    -0xc(%rbp),%edx
  movslq %edx,%rcx
  mov    -0x8(%rbp),%rdx
  add    %rcx,%rdx
  movzbl (%rax),%eax
  mov    %al,(%rdx)
  addl   $0x1,-0xc(%rbp)
L14:
  mov    -0x10(%rbp),%eax
  sub    $0x1,%eax
  cmp    %eax,-0xc(%rbp)
  jl     L105
  mov    -0x10(%rbp),%eax
  cltq
  lea    -0x1(%rax),%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  mov    -0x8(%rbp),%rax
  leave
  ret
```

assistant: ```c
char *str_parse(char *input) {
  int len = 0;
  if (strlen(input) > 2 && input[0] == '0' && input[1] == 'x') {
    len = 2;
  }
  while (isdigit(input[len]) || input[len] == 'a' || input[len] == 'b' || input[len] == 'c' || input[len] == 'd' || input[len] == 'e' || input[len] == 'f') {
    len += 1;
  }
  len += 1;
  char *output = malloc(sizeof(char) * len);
  for (int i = 0; i < (len - 1); i += 1) {
    output[i] = input[i];
  }
  output[len - 1] = '\0';
  return output;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<str_parse>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbp
  call   <strlen@plt>
  mov    $0x0,%ebx
  cmp    $0x2,%eax
  jle    L17
  cmpb   $0x30,0x0(%rbp)
  je     L13
L17:
  movslq %ebx,%rbx
  jmp    L7
L13:
  cmpb   $0x78,0x1(%rbp)
  sete   %bl
  movzbl %bl,%ebx
  add    %ebx,%ebx
  jmp    L17
L34:
  add    $0x1,%rbx
L7:
  movsbl 0x0(%rbp,%rbx,1),%edi
  call   <isdigit@plt>
  test   %rax,%rax
  jne    L34
  movzbl 0x0(%rbp,%rbx,1),%eax
  sub    $0x61,%eax
  cmp    $0x5,%al
  jbe    L34
  lea    0x1(%rbx),%edi
  call   <malloc@plt>
  test   %ebx,%ebx
  jle    L4
  mov    %ebx,%esi
  mov    $0x0,%edx
L68:
  movzbl 0x0(%rbp,%rdx,1),%ecx
  mov    %cl,(%rax,%rdx,1)
  add    $0x1,%rdx
  cmp    %rdx,%rsi
  jne    L68
L4:
  movb   $0x0,(%rax,%rbx,1)
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
char *str_parse(char *input) {
  int len = 0;
  if (strlen(input) > 2 && input[0] == '0' && input[1] == 'x') {
    len = 2;
  }
  while (isdigit(input[len]) || input[len] == 'a' || input[len] == 'b' || input[len] == 'c' || input[len] == 'd' || input[len] == 'e' || input[len] == 'f') {
    len += 1;
  }
  len += 1;
  char *output = malloc(sizeof(char) * len);
  for (int i = 0; i < (len - 1); i += 1) {
    output[i] = input[i];
  }
  output[len - 1] = '\0';
  return output;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<str_parse>:
  endbr64
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  push   %rbx
  xor    %ebx,%ebx
  call   <strlen@plt>
  movsbl (%r12),%edi
  cmp    $0x2,%eax
  jle    L69
  cmp    $0x30,%dil
  jne    L69
  xor    %ebx,%ebx
  cmpb   $0x78,0x1(%r12)
  sete   %bl
  add    %ebx,%ebx
  movslq %ebx,%rbx
  movsbl (%r12,%rbx,1),%edi
  call   <isdigit@plt>
  test   %rax,%rax
  je     L32
  nopl   0x0(%rax)
L2:
  movsbl 0x1(%r12,%rbx,1),%edi
  add    $0x1,%rbx
L69:
  call   <isdigit@plt>
  test   %rax,%rax
  jne    L2
L32:
  movzbl (%r12,%rbx,1),%eax
  sub    $0x61,%eax
  cmp    $0x5,%al
  jbe    L2
  lea    0x1(%rbx),%edi
  call   <malloc@plt>
  mov    %ebx,%esi
  xor    %edx,%edx
  test   %ebx,%ebx
  je     L37
  nopl   0x0(%rax,%rax,1)
L31:
  movzbl (%r12,%rdx,1),%ecx
  mov    %cl,(%rax,%rdx,1)
  add    $0x1,%rdx
  cmp    %rdx,%rsi
  jne    L31
L37:
  movb   $0x0,(%rax,%rbx,1)
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
char *str_parse(char *input) {
  int len = 0;
  if (strlen(input) > 2 && input[0] == '0' && input[1] == 'x') {
    len = 2;
  }
  while (isdigit(input[len]) || input[len] == 'a' || input[len] == 'b' || input[len] == 'c' || input[len] == 'd' || input[len] == 'e' || input[len] == 'f') {
    len += 1;
  }
  len += 1;
  char *output = malloc(sizeof(char) * len);
  for (int i = 0; i < (len - 1); i += 1) {
    output[i] = input[i];
  }
  output[len - 1] = '\0';
  return output;
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<memcpy>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %edx,-0x34(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x30(%rbp),%rax
  mov    %rax,-0x8(%rbp)
  movl   $0x0,-0x14(%rbp)
  jmp    L18
L14:
  mov    -0x14(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  mov    -0x14(%rbp),%edx
  movslq %edx,%rcx
  mov    -0x10(%rbp),%rdx
  add    %rcx,%rdx
  movzbl (%rax),%eax
  mov    %al,(%rdx)
  addl   $0x1,-0x14(%rbp)
L18:
  mov    -0x14(%rbp),%eax
  cmp    -0x34(%rbp),%eax
  jl     L14
  mov    -0x10(%rbp),%rax
  pop    %rbp
  ret
```

assistant: ```c
extern void *memcpy(void *d, const void *s, int count) {
  int i;
  unsigned char *dest = d;
  const unsigned char *src = s;
  for (i = 0; i < count; i++)
    dest[i] = src[i];
  return dest;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<memcpy>:
  endbr64
  mov    %rdi,%rax
  test   %edx,%edx
  jle    L3
  mov    %edx,%edx
  mov    $0x0,%ecx
L16:
  movzbl (%rsi,%rcx,1),%r8d
  mov    %r8b,(%rax,%rcx,1)
  add    $0x1,%rcx
  cmp    %rdx,%rcx
  jne    L16
L3:
  ret
```

assistant: ```c
extern void *memcpy(void *d, const void *s, int count) {
  int i;
  unsigned char *dest = d;
  const unsigned char *src = s;
  for (i = 0; i < count; i++)
    dest[i] = src[i];
  return dest;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<memcpy>:
  endbr64
  mov    %rdi,%rax
  test   %edx,%edx
  jle    L10
  movslq %edx,%rdx
  xor    %ecx,%ecx
L2:
  movzbl (%rsi,%rcx,1),%r8d
  mov    %r8b,(%rax,%rcx,1)
  add    $0x1,%rcx
  cmp    %rdx,%rcx
  jne    L2
L10:
  ret
```

assistant: ```c
extern void *memcpy(void *d, const void *s, int count) {
  int i;
  unsigned char *dest = d;
  const unsigned char *src = s;
  for (i = 0; i < count; i++)
    dest[i] = src[i];
  return dest;
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<memcpy>:
  endbr64
  mov    %rdi,%r8
  mov    %rsi,%rcx
  test   %edx,%edx
  jle    L57
  lea    0x1(%rsi),%r9
  mov    %r8,%rsi
  lea    -0x1(%rdx),%eax
  mov    %edx,%edi
  sub    %r9,%rsi
  cmp    $0xe,%rsi
  jbe    L47
  cmp    $0x6,%eax
  jbe    L47
  cmp    $0xe,%eax
  jbe    L72
  mov    %edx,%esi
  xor    %eax,%eax
  shr    $0x4,%esi
  shl    $0x4,%rsi
  nopl   0x0(%rax,%rax,1)
L87:
  movdqu (%rcx,%rax,1),%xmm0
  movups %xmm0,(%r8,%rax,1)
  add    $0x10,%rax
  cmp    %rsi,%rax
  jne    L87
  mov    %edx,%esi
  and    $0xfffffff0,%esi
  mov    %esi,%eax
  cmp    %esi,%edx
  je     L57
  mov    %edx,%edi
  sub    %esi,%edi
  lea    -0x1(%rdi),%r9d
  cmp    $0x6,%r9d
  jbe    L41
L60:
  mov    (%rcx,%rsi,1),%r9
  mov    %r9,(%r8,%rsi,1)
  mov    %edi,%esi
  and    $0xfffffff8,%esi
  add    %esi,%eax
  cmp    %esi,%edi
  je     L57
L41:
  movslq %eax,%rsi
  movzbl (%rcx,%rsi,1),%edi
  mov    %dil,(%r8,%rsi,1)
  lea    0x1(%rax),%esi
  cmp    %esi,%edx
  jle    L57
  movslq %esi,%rsi
  movzbl (%rcx,%rsi,1),%edi
  mov    %dil,(%r8,%rsi,1)
  lea    0x2(%rax),%esi
  cmp    %esi,%edx
  jle    L57
  movslq %esi,%rsi
  movzbl (%rcx,%rsi,1),%edi
  mov    %dil,(%r8,%rsi,1)
  lea    0x3(%rax),%esi
  cmp    %esi,%edx
  jle    L57
  movslq %esi,%rsi
  movzbl (%rcx,%rsi,1),%edi
  mov    %dil,(%r8,%rsi,1)
  lea    0x4(%rax),%esi
  cmp    %esi,%edx
  jle    L57
  movslq %esi,%rsi
  movzbl (%rcx,%rsi,1),%edi
  mov    %dil,(%r8,%rsi,1)
  lea    0x5(%rax),%esi
  cmp    %esi,%edx
  jle    L57
  movslq %esi,%rsi
  add    $0x6,%eax
  movzbl (%rcx,%rsi,1),%edi
  mov    %dil,(%r8,%rsi,1)
  cmp    %eax,%edx
  jle    L57
  cltq
  movzbl (%rcx,%rax,1),%edx
  mov    %dl,(%r8,%rax,1)
L57:
  mov    %r8,%rax
  ret
  nopl   (%rax)
L47:
  mov    %edx,%edx
  xor    %eax,%eax
  nopl   0x0(%rax)
L88:
  movzbl (%rcx,%rax,1),%esi
  mov    %sil,(%r8,%rax,1)
  add    $0x1,%rax
  cmp    %rdx,%rax
  jne    L88
  mov    %r8,%rax
  ret
L72:
  xor    %esi,%esi
  xor    %eax,%eax
  jmp    L60
```

assistant: ```c
extern void *memcpy(void *d, const void *s, int count) {
  int i;
  unsigned char *dest = d;
  const unsigned char *src = s;
  for (i = 0; i < count; i++)
    dest[i] = src[i];
  return dest;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<write_word>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %edi,-0x4(%rbp)
  mov    %esi,-0x8(%rbp)
  mov    -0x8(%rbp),%eax
  shr    $0x8,%eax
  movzbl %al,%edx
  mov    -0x4(%rbp),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <write_byte@plt>
  mov    -0x8(%rbp),%eax
  movzbl %al,%eax
  mov    -0x4(%rbp),%edx
  add    $0x1,%edx
  mov    %eax,%esi
  mov    %edx,%edi
  call   <write_byte@plt>
  nop
  leave
  ret
```

assistant: ```c
void write_word(unsigned int addr, unsigned int data) {
  write_byte(addr, ((unsigned char)(data >> 8)));
  write_byte(addr + 1, ((unsigned char)data));
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<write_word>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %edi,%ebx
  mov    %esi,%ebp
  mov    %esi,%eax
  movzbl %ah,%esi
  call   <write_byte@plt>
  movzbl %bpl,%esi
  lea    0x1(%rbx),%edi
  call   <write_byte@plt>
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
void write_word(unsigned int addr, unsigned int data) {
  write_byte(addr, ((unsigned char)(data >> 8)));
  write_byte(addr + 1, ((unsigned char)data));
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<write_word>:
  endbr64
  push   %rbp
  mov    %esi,%eax
  mov    %esi,%ebp
  push   %rbx
  movzbl %ah,%esi
  mov    %edi,%ebx
  sub    $0x8,%rsp
  call   <write_byte@plt>
  add    $0x8,%rsp
  movzbl %bpl,%esi
  lea    0x1(%rbx),%edi
  pop    %rbx
  pop    %rbp
  jmp    1050 <write_byte@plt>
```

assistant: ```c
void write_word(unsigned int addr, unsigned int data) {
  write_byte(addr, ((unsigned char)(data >> 8)));
  write_byte(addr + 1, ((unsigned char)data));
}
```