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

```asm
<writeLineSSL>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %rdx,-0x38(%rbp)
  movq   $0x0,-0x8(%rbp)
  jmp    L2
L46:
  mov    -0x38(%rbp),%rax
  mov    %eax,%edx
  mov    -0x8(%rbp),%rax
  mov    %eax,%ecx
  mov    %edx,%eax
  sub    %ecx,%eax
  mov    %eax,%edx
  mov    -0x30(%rbp),%rcx
  mov    -0x8(%rbp),%rax
  add    %rax,%rcx
  mov    -0x28(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <SSL_write@plt>
  mov    %eax,-0xc(%rbp)
  cmpl   $0x0,-0xc(%rbp)
  jns    L76
  mov    $0xffffffff,%eax
  jmp    L53
L76:
  mov    -0xc(%rbp),%eax
  cltq
  add    %rax,-0x8(%rbp)
L2:
  mov    -0x8(%rbp),%rax
  cmp    -0x38(%rbp),%rax
  jb     L46
  movl   $0x0,-0x14(%rbp)
  jmp    L6
L10:
  mov    $0x2,%eax
  sub    -0x14(%rbp),%eax
  mov    %eax,%edx
  mov    -0x14(%rbp),%eax
  cltq
  lea    D4(%rip),%rcx
  add    %rax,%rcx
  mov    -0x28(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <SSL_write@plt>
  mov    %eax,-0x10(%rbp)
  cmpl   $0x0,-0x10(%rbp)
  jns    L3
  mov    $0xffffffff,%eax
  jmp    L53
L3:
  mov    -0x10(%rbp),%eax
  add    %eax,-0x14(%rbp)
L6:
  cmpl   $0x1,-0x14(%rbp)
  jle    L10
  mov    -0x8(%rbp),%rax
L53:
  leave
  ret
```

assistant: ```c
ssize_t writeLineSSL(SSL *session, char *line, size_t len) {
  static char nl[2] = {0x0A, 0x0D};
  size_t i = 0;
  while (i < len) {
    int x = SSL_write(session, line + i, len - i);
    if (x < 0)
      return -1;
    i += x;
  }
  int i2 = 0;
  while (i2 < 2) {
    int y = SSL_write(session, nl + i2, 2 - i2);
    if (y < 0)
      return -1;
    i2 += y;
  }
  return i;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<writeLineSSL>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%r12
  mov    %rdx,%rbp
  test   %rdx,%rdx
  je     L18
  mov    %rsi,%r13
  mov    $0x0,%ebx
L33:
  mov    %ebp,%edx
  sub    %ebx,%edx
  lea    0x0(%r13,%rbx,1),%rsi
  mov    %r12,%rdi
  call   <SSL_write@plt>
  test   %eax,%eax
  js     L52
  cltq
  add    %rax,%rbx
  cmp    %rbx,%rbp
  ja     L33
L46:
  mov    $0x0,%ebp
  lea    D2(%rip),%r13
L4:
  mov    $0x2,%edx
  sub    %ebp,%edx
  movslq %ebp,%rsi
  add    %r13,%rsi
  mov    %r12,%rdi
  call   <SSL_write@plt>
  test   %eax,%eax
  js     L56
  add    %eax,%ebp
  cmp    $0x1,%ebp
  jle    L4
  mov    %ebx,%eax
  jmp    L43
L18:
  mov    %rdx,%rbx
  jmp    L46
L52:
  mov    $0xffffffff,%eax
L43:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L56:
  mov    $0xffffffff,%eax
  jmp    L43
```

assistant: ```c
ssize_t writeLineSSL(SSL *session, char *line, size_t len) {
  static char nl[2] = {0x0A, 0x0D};
  size_t i = 0;
  while (i < len) {
    int x = SSL_write(session, line + i, len - i);
    if (x < 0)
      return -1;
    i += x;
  }
  int i2 = 0;
  while (i2 < 2) {
    int y = SSL_write(session, nl + i2, 2 - i2);
    if (y < 0)
      return -1;
    i2 += y;
  }
  return i;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<writeLineSSL>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  test   %rdx,%rdx
  je     L6
  mov    %rsi,%r12
  mov    %rdx,%rbp
  mov    %edx,%r13d
  xor    %r14d,%r14d
  jmp    L7
  nopw   0x0(%rax,%rax,1)
L0:
  cltq
  add    %rax,%r14
  cmp    %r14,%rbp
  jbe    L41
L7:
  mov    %r13d,%edx
  lea    (%r12,%r14,1),%rsi
  mov    %rbx,%rdi
  sub    %r14d,%edx
  call   <SSL_write@plt>
  test   %eax,%eax
  jns    L0
L33:
  pop    %rbx
  mov    $0xffffffff,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L6:
  xor    %r14d,%r14d
  nopl   0x0(%rax)
L41:
  xor    %ebp,%ebp
  lea    D7(%rip),%r13
  mov    $0x2,%r12d
  nop
L38:
  mov    %r12d,%edx
  movslq %ebp,%rsi
  mov    %rbx,%rdi
  sub    %ebp,%edx
  add    %r13,%rsi
  call   <SSL_write@plt>
  test   %eax,%eax
  js     L33
  add    %eax,%ebp
  cmp    $0x1,%ebp
  jle    L38
  pop    %rbx
  mov    %r14d,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

assistant: ```c
ssize_t writeLineSSL(SSL *session, char *line, size_t len) {
  static char nl[2] = {0x0A, 0x0D};
  size_t i = 0;
  while (i < len) {
    int x = SSL_write(session, line + i, len - i);
    if (x < 0)
      return -1;
    i += x;
  }
  int i2 = 0;
  while (i2 < 2) {
    int y = SSL_write(session, nl + i2, 2 - i2);
    if (y < 0)
      return -1;
    i2 += y;
  }
  return i;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<writeLineSSL>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  test   %rdx,%rdx
  je     L35
  mov    %rsi,%r12
  mov    %rdx,%rbp
  mov    %edx,%r13d
  xor    %r14d,%r14d
  jmp    L0
  nopw   0x0(%rax,%rax,1)
L17:
  cltq
  add    %rax,%r14
  cmp    %r14,%rbp
  jbe    L8
L0:
  mov    %r13d,%edx
  lea    (%r12,%r14,1),%rsi
  mov    %rbx,%rdi
  sub    %r14d,%edx
  call   <SSL_write@plt>
  test   %eax,%eax
  jns    L17
L48:
  pop    %rbx
  mov    $0xffffffff,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
L35:
  xor    %r14d,%r14d
  nopl   0x0(%rax)
L8:
  xor    %ebp,%ebp
  lea    D3(%rip),%r13
  mov    $0x2,%r12d
  nop
L18:
  mov    %r12d,%edx
  movslq %ebp,%rsi
  mov    %rbx,%rdi
  sub    %ebp,%edx
  add    %r13,%rsi
  call   <SSL_write@plt>
  test   %eax,%eax
  js     L48
  add    %eax,%ebp
  cmp    $0x1,%ebp
  jle    L18
  pop    %rbx
  mov    %r14d,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

assistant: ```c
ssize_t writeLineSSL(SSL *session, char *line, size_t len) {
  static char nl[2] = {0x0A, 0x0D};
  size_t i = 0;
  while (i < len) {
    int x = SSL_write(session, line + i, len - i);
    if (x < 0)
      return -1;
    i += x;
  }
  int i2 = 0;
  while (i2 < 2) {
    int y = SSL_write(session, nl + i2, 2 - i2);
    if (y < 0)
      return -1;
    i2 += y;
  }
  return i;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<feed_device_null_query>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    %rdx,-0x18(%rbp)
  mov    $0xffffffff,%eax
  pop    %rbp
  ret
```

assistant: ```c
int feed_device_null_query(void *const p_context, unsigned short int *const p_columns, unsigned short int *const p_rows) {
  (void)(p_context);
  (void)(p_columns);
  (void)(p_rows);
  return -1;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<feed_device_null_query>:
  endbr64
  mov    $0xffffffff,%eax
  ret
```

assistant: ```c
int feed_device_null_query(void *const p_context, unsigned short int *const p_columns, unsigned short int *const p_rows) {
  (void)(p_context);
  (void)(p_columns);
  (void)(p_rows);
  return -1;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<feed_device_null_query>:
  endbr64
  mov    $0xffffffff,%eax
  ret
```

assistant: ```c
int feed_device_null_query(void *const p_context, unsigned short int *const p_columns, unsigned short int *const p_rows) {
  (void)(p_context);
  (void)(p_columns);
  (void)(p_rows);
  return -1;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<feed_device_null_query>:
  endbr64
  mov    $0xffffffff,%eax
  ret
```

assistant: ```c
int feed_device_null_query(void *const p_context, unsigned short int *const p_columns, unsigned short int *const p_rows) {
  (void)(p_context);
  (void)(p_columns);
  (void)(p_rows);
  return -1;
}
```
user: What is the c source code of the assembly code below:

```asm
<readtoken>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    %rdx,-0x18(%rbp)
  jmp    L6
L13:
  mov    -0x10(%rbp),%rdx
  lea    0x1(%rdx),%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x8(%rbp),%rax
  lea    0x1(%rax),%rcx
  mov    %rcx,-0x8(%rbp)
  movzbl (%rdx),%edx
  mov    %dl,(%rax)
L6:
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L48
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%edx
  mov    -0x18(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <strchr@plt>
  test   %rax,%rax
  je     L13
L48:
  mov    -0x8(%rbp),%rax
  movb   $0x0,(%rax)
  jmp    L14
L17:
  addq   $0x1,-0x10(%rbp)
L14:
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L30
  mov    -0x10(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%edx
  mov    -0x18(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <strchr@plt>
  test   %rax,%rax
  jne    L17
L30:
  mov    -0x10(%rbp),%rax
  leave
  ret
```

assistant: ```c
char *readtoken(char *to, char *from, char *delims) {
  for (; *from != '\0' && !strchr(delims, *from);)
    *to++ = *from++;
  *to = '\0';
  for (; *from != '\0' && strchr(delims, *from);)
    from++;
  return from;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<readtoken>:
  endbr64
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%r12
  mov    %rsi,%rbx
  mov    %rdx,%rbp
  movzbl (%rsi),%esi
  test   %sil,%sil
  je     L39
L46:
  movsbl %sil,%esi
  mov    %rbp,%rdi
  call   <strchr@plt>
  test   %rax,%rax
  jne    L39
  add    $0x1,%rbx
  add    $0x1,%r12
  movzbl -0x1(%rbx),%eax
  mov    %al,-0x1(%r12)
  movzbl (%rbx),%esi
  test   %sil,%sil
  jne    L46
L39:
  movb   $0x0,(%r12)
  movzbl (%rbx),%esi
  mov    %rbx,%rax
  test   %sil,%sil
  je     L45
L25:
  movsbl %sil,%esi
  mov    %rbp,%rdi
  call   <strchr@plt>
  test   %rax,%rax
  je     L52
  add    $0x1,%rbx
  movzbl (%rbx),%esi
  test   %sil,%sil
  jne    L25
  mov    %rbx,%rax
  jmp    L45
L52:
  mov    %rbx,%rax
L45:
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
char *readtoken(char *to, char *from, char *delims) {
  for (; *from != '\0' && !strchr(delims, *from);)
    *to++ = *from++;
  *to = '\0';
  for (; *from != '\0' && strchr(delims, *from);)
    from++;
  return from;
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<readtoken>:
  endbr64
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  movsbl (%rsi),%esi
  mov    %rdx,%rbx
  test   %sil,%sil
  jne    L55
  jmp    L34
  nopl   0x0(%rax,%rax,1)
L24:
  mov    %r12,%rdi
  mov    %rbp,%rsi
  movsb  %ds:(%rsi),%es:(%rdi)
  mov    %rsi,%rbp
  movsbl (%rsi),%esi
  mov    %rdi,%r12
  test   %sil,%sil
  je     L34
L55:
  mov    %rbx,%rdi
  call   <strchr@plt>
  test   %rax,%rax
  je     L24
L34:
  movb   $0x0,(%r12)
  movsbl 0x0(%rbp),%esi
  test   %sil,%sil
  jne    L40
  jmp    L30
  nopw   0x0(%rax,%rax,1)
L54:
  movsbl 0x1(%rbp),%esi
  add    $0x1,%rbp
  test   %sil,%sil
  je     L30
L40:
  mov    %rbx,%rdi
  call   <strchr@plt>
  test   %rax,%rax
  jne    L54
L30:
  mov    %rbp,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
char *readtoken(char *to, char *from, char *delims) {
  for (; *from != '\0' && !strchr(delims, *from);)
    *to++ = *from++;
  *to = '\0';
  for (; *from != '\0' && strchr(delims, *from);)
    from++;
  return from;
}
```
user: Translate the below assembly code into C programming language:

```asm
<readtoken>:
  endbr64
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  movsbl (%rsi),%esi
  mov    %rdx,%rbx
  test   %sil,%sil
  jne    L49
  jmp    L79
  nopl   0x0(%rax,%rax,1)
L37:
  mov    %r12,%rdi
  mov    %rbp,%rsi
  movsb  %ds:(%rsi),%es:(%rdi)
  mov    %rsi,%rbp
  movsbl (%rsi),%esi
  mov    %rdi,%r12
  test   %sil,%sil
  je     L79
L49:
  mov    %rbx,%rdi
  call   <strchr@plt>
  test   %rax,%rax
  je     L37
L79:
  movb   $0x0,(%r12)
  movsbl 0x0(%rbp),%esi
  test   %sil,%sil
  jne    L33
  jmp    L18
  nopw   0x0(%rax,%rax,1)
L74:
  movsbl 0x1(%rbp),%esi
  add    $0x1,%rbp
  test   %sil,%sil
  je     L18
L33:
  mov    %rbx,%rdi
  call   <strchr@plt>
  test   %rax,%rax
  jne    L74
L18:
  mov    %rbp,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
```

assistant: ```c
char *readtoken(char *to, char *from, char *delims) {
  for (; *from != '\0' && !strchr(delims, *from);)
    *to++ = *from++;
  *to = '\0';
  for (; *from != '\0' && strchr(delims, *from);)
    from++;
  return from;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<PasswordStrTo>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  cmpq   $0x0,-0x18(%rbp)
  je     L170
  cmpq   $0x0,-0x20(%rbp)
  jne    L145
L170:
  mov    $0x0,%eax
  jmp    L21
L145:
  movl   $0x0,-0x4(%rbp)
  jmp    L20
L62:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <toupper@plt>
  mov    -0x18(%rbp),%rdx
  mov    %al,(%rdx)
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2f,%al
  jle    L94
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x39,%al
  jle    L97
L94:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x40,%al
  jle    L51
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x46,%al
  jle    L97
L51:
  mov    $0x0,%eax
  jmp    L21
L97:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x40,%al
  jle    L158
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  sub    $0x37,%eax
  shl    $0x4,%eax
  mov    %eax,%edx
  jmp    L42
L158:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  sub    $0x30,%eax
  shl    $0x4,%eax
  mov    %eax,%edx
L42:
  mov    -0x4(%rbp),%eax
  movslq %eax,%rcx
  mov    -0x20(%rbp),%rax
  add    %rcx,%rax
  mov    %dl,(%rax)
  addq   $0x1,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <toupper@plt>
  mov    -0x18(%rbp),%rdx
  mov    %al,(%rdx)
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2f,%al
  jle    L39
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x39,%al
  jle    L54
L39:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x40,%al
  jle    L122
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x46,%al
  jle    L54
L122:
  mov    $0x0,%eax
  jmp    L21
L54:
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%edx
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x40,%al
  jle    L105
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  sub    $0x37,%eax
  mov    %eax,%esi
  jmp    L70
L105:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  sub    $0x30,%eax
  mov    %eax,%esi
L70:
  mov    -0x4(%rbp),%eax
  movslq %eax,%rcx
  mov    -0x20(%rbp),%rax
  add    %rcx,%rax
  or     %esi,%edx
  mov    %dl,(%rax)
  addq   $0x1,-0x18(%rbp)
  addl   $0x1,-0x4(%rbp)
L20:
  cmpl   $0xf,-0x4(%rbp)
  jle    L62
  mov    -0x4(%rbp),%eax
L21:
  leave
  ret
```

assistant: ```c
int PasswordStrTo(char *str, char *pcMD5) {
  int i;
  ;
  ;
  if (!str || !pcMD5)
    return 0;
  for (i = 0; i < 16; i++) {
    *str = toupper(*str);
    if ((*str < '0' || *str > '9') && (*str < 'A' || *str > 'F'))
      return 0;
    pcMD5[i] = ((*str >= 'A' ? (*str - 'A' + 10) : (*str - '0')) << 4);
    str++;
    *str = toupper(*str);
    if ((*str < '0' || *str > '9') && (*str < 'A' || *str > 'F'))
      return 0;
    pcMD5[i] |= (*str >= 'A' ? (*str - 'A' + 10) : (*str - '0'));
    str++;
  }
  return i;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<PasswordStrTo>:
  endbr64
  test   %rdi,%rdi
  je     L2
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbp
  mov    %rsi,%r12
  test   %rsi,%rsi
  je     L28
  mov    $0x1,%ebx
  jmp    L67
L73:
  lea    -0x37(%rax),%edx
  cmp    $0x40,%al
  mov    %ecx,%eax
  cmovg  %edx,%eax
  or     %al,-0x1(%r12,%rbx,1)
  mov    %ebx,%eax
  add    $0x1,%rbx
  cmp    $0x11,%rbx
  je     L75
L67:
  movsbl -0x2(%rbp,%rbx,2),%edi
  call   <toupper@plt>
  mov    %al,-0x2(%rbp,%rbx,2)
  lea    -0x30(%rax),%edx
  cmp    $0x9,%dl
  jbe    L31
  lea    -0x41(%rax),%edx
  cmp    $0x5,%dl
  ja     L7
L31:
  mov    %eax,%ecx
  shl    $0x4,%ecx
  sub    $0x70,%ecx
  mov    %eax,%edx
  shl    $0x4,%edx
  cmp    $0x41,%al
  mov    %ecx,%eax
  cmovl  %edx,%eax
  mov    %al,-0x1(%r12,%rbx,1)
  movsbl -0x1(%rbp,%rbx,2),%edi
  call   <toupper@plt>
  mov    %al,-0x1(%rbp,%rbx,2)
  lea    -0x30(%rax),%ecx
  lea    -0x41(%rax),%edx
  cmp    $0x5,%dl
  jbe    L73
  cmp    $0x9,%cl
  jbe    L73
  mov    $0x0,%eax
  jmp    L75
L28:
  mov    $0x0,%eax
L75:
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L7:
  mov    $0x0,%eax
  jmp    L75
L2:
  mov    $0x0,%eax
  ret
```

assistant: ```c
int PasswordStrTo(char *str, char *pcMD5) {
  int i;
  ;
  ;
  if (!str || !pcMD5)
    return 0;
  for (i = 0; i < 16; i++) {
    *str = toupper(*str);
    if ((*str < '0' || *str > '9') && (*str < 'A' || *str > 'F'))
      return 0;
    pcMD5[i] = ((*str >= 'A' ? (*str - 'A' + 10) : (*str - '0')) << 4);
    str++;
    *str = toupper(*str);
    if ((*str < '0' || *str > '9') && (*str < 'A' || *str > 'F'))
      return 0;
    pcMD5[i] |= (*str >= 'A' ? (*str - 'A' + 10) : (*str - '0'));
    str++;
  }
  return i;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<PasswordStrTo>:
  endbr64
  test   %rdi,%rdi
  je     L45
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  push   %rbx
  test   %rsi,%rsi
  je     L67
  mov    %rdi,%rbx
  lea    0x20(%rdi),%rbp
L51:
  movsbl (%rbx),%edi
  call   <toupper@plt>
  lea    -0x30(%rax),%edx
  mov    %al,(%rbx)
  cmp    $0x9,%dl
  jbe    L19
  lea    -0x41(%rax),%edx
  cmp    $0x5,%dl
  ja     L67
L19:
  lea    -0x37(%rax),%ecx
  mov    %eax,%edx
  shl    $0x4,%ecx
  shl    $0x4,%edx
  cmp    $0x41,%al
  mov    %ecx,%eax
  cmovl  %edx,%eax
  mov    %al,(%r12)
  movsbl 0x1(%rbx),%edi
  call   <toupper@plt>
  lea    -0x41(%rax),%edx
  mov    %al,0x1(%rbx)
  lea    -0x30(%rax),%ecx
  cmp    $0x5,%dl
  jbe    L10
  cmp    $0x9,%cl
  ja     L67
L10:
  cmp    $0x40,%al
  lea    -0x37(%rax),%edx
  mov    %ecx,%eax
  cmovg  %edx,%eax
  add    $0x2,%rbx
  or     %al,(%r12)
  add    $0x1,%r12
  cmp    %rbx,%rbp
  jne    L51
  pop    %rbx
  mov    $0x10,%eax
  pop    %rbp
  pop    %r12
  ret
  nopl   0x0(%rax)
L67:
  pop    %rbx
  xor    %eax,%eax
  pop    %rbp
  pop    %r12
  ret
  nop
L45:
  xor    %eax,%eax
  ret
```

assistant: ```c
int PasswordStrTo(char *str, char *pcMD5) {
  int i;
  ;
  ;
  if (!str || !pcMD5)
    return 0;
  for (i = 0; i < 16; i++) {
    *str = toupper(*str);
    if ((*str < '0' || *str > '9') && (*str < 'A' || *str > 'F'))
      return 0;
    pcMD5[i] = ((*str >= 'A' ? (*str - 'A' + 10) : (*str - '0')) << 4);
    str++;
    *str = toupper(*str);
    if ((*str < '0' || *str > '9') && (*str < 'A' || *str > 'F'))
      return 0;
    pcMD5[i] |= (*str >= 'A' ? (*str - 'A' + 10) : (*str - '0'));
    str++;
  }
  return i;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<PasswordStrTo>:
  endbr64
  test   %rdi,%rdi
  je     L76
  push   %r12
  mov    %rsi,%r12
  push   %rbp
  push   %rbx
  test   %rsi,%rsi
  je     L22
  mov    %rdi,%rbp
  lea    0x20(%rdi),%rbx
  nopl   0x0(%rax)
L40:
  movsbl 0x0(%rbp),%edi
  call   <toupper@plt>
  lea    -0x30(%rax),%edx
  mov    %al,0x0(%rbp)
  cmp    $0x9,%dl
  jbe    L21
  lea    -0x41(%rax),%edx
  cmp    $0x5,%dl
  ja     L22
L21:
  lea    -0x37(%rax),%ecx
  mov    %eax,%edx
  shl    $0x4,%ecx
  shl    $0x4,%edx
  cmp    $0x41,%al
  mov    %ecx,%eax
  cmovl  %edx,%eax
  mov    %al,(%r12)
  movsbl 0x1(%rbp),%edi
  call   <toupper@plt>
  lea    -0x41(%rax),%ecx
  mov    %al,0x1(%rbp)
  lea    -0x30(%rax),%edx
  cmp    $0x5,%cl
  jbe    L31
  cmp    $0x9,%dl
  ja     L22
L31:
  movzbl (%r12),%ecx
  cmp    $0x40,%al
  jle    L91
  sub    $0x37,%eax
  add    $0x2,%rbp
  add    $0x1,%r12
  or     %ecx,%eax
  mov    %al,-0x1(%r12)
  cmp    %rbp,%rbx
  jne    L40
  mov    $0x10,%eax
L15:
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
L91:
  or     %ecx,%edx
  add    $0x2,%rbp
  add    $0x1,%r12
  mov    %dl,-0x1(%r12)
  cmp    %rbp,%rbx
  jne    L40
  mov    $0x10,%eax
  jmp    L15
  nop
L22:
  pop    %rbx
  xor    %eax,%eax
  pop    %rbp
  pop    %r12
  ret
  nopw   0x0(%rax,%rax,1)
L76:
  xor    %eax,%eax
  ret
```

assistant: ```c
int PasswordStrTo(char *str, char *pcMD5) {
  int i;
  ;
  ;
  if (!str || !pcMD5)
    return 0;
  for (i = 0; i < 16; i++) {
    *str = toupper(*str);
    if ((*str < '0' || *str > '9') && (*str < 'A' || *str > 'F'))
      return 0;
    pcMD5[i] = ((*str >= 'A' ? (*str - 'A' + 10) : (*str - '0')) << 4);
    str++;
    *str = toupper(*str);
    if ((*str < '0' || *str > '9') && (*str < 'A' || *str > 'F'))
      return 0;
    pcMD5[i] |= (*str >= 'A' ? (*str - 'A' + 10) : (*str - '0'));
    str++;
  }
  return i;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<base5>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x14(%rbp)
  movl   $0x1,-0x8(%rbp)
  movl   $0x0,-0x4(%rbp)
  jmp    L14
L1:
  mov    -0x14(%rbp),%edx
  movslq %edx,%rax
  imul   $0x66666667,%rax,%rax
  shr    $0x20,%rax
  sar    %eax
  mov    %edx,%ecx
  sar    $0x1f,%ecx
  sub    %ecx,%eax
  mov    %eax,%ecx
  shl    $0x2,%ecx
  add    %eax,%ecx
  mov    %edx,%eax
  sub    %ecx,%eax
  imul   -0x8(%rbp),%eax
  add    %eax,-0x4(%rbp)
  mov    -0x14(%rbp),%eax
  movslq %eax,%rdx
  imul   $0x66666667,%rdx,%rdx
  shr    $0x20,%rdx
  sar    %edx
  mov    %eax,%esi
  sar    $0x1f,%esi
  mov    %edx,%ecx
  sub    %esi,%ecx
  mov    %ecx,%edx
  shl    $0x2,%edx
  add    %ecx,%edx
  sub    %edx,%eax
  mov    %eax,%ecx
  mov    -0x14(%rbp),%eax
  sub    %ecx,%eax
  movslq %eax,%rdx
  imul   $0x66666667,%rdx,%rdx
  shr    $0x20,%rdx
  sar    %edx
  sar    $0x1f,%eax
  mov    %eax,%ecx
  mov    %edx,%eax
  sub    %ecx,%eax
  mov    %eax,-0x14(%rbp)
  mov    -0x8(%rbp),%edx
  mov    %edx,%eax
  shl    $0x2,%eax
  add    %edx,%eax
  add    %eax,%eax
  mov    %eax,-0x8(%rbp)
L14:
  cmpl   $0x0,-0x14(%rbp)
  jne    L1
  mov    -0x4(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
int base5(int n) {
  int i = 1, n5 = 0;
  while (n != 0) {
    n5 += (n % 5) * i;
    n = (n - n % 5) / 5;
    i *= 10;
  }
  return n5;
}
```
user: 这段汇编代码用C语言表示是什么样的？

```asm
<base5>:
  endbr64
  test   %edi,%edi
  je     L9
  mov    $0x0,%esi
  mov    $0x1,%edx
L26:
  movslq %edi,%rax
  imul   $0x66666667,%rax,%rax
  sar    $0x21,%rax
  mov    %edi,%ecx
  sar    $0x1f,%ecx
  sub    %ecx,%eax
  lea    (%rax,%rax,4),%ecx
  mov    %edi,%eax
  sub    %ecx,%eax
  mov    %eax,%ecx
  imul   %edx,%ecx
  add    %ecx,%esi
  sub    %eax,%edi
  movslq %edi,%rax
  imul   $0x66666667,%rax,%rax
  sar    $0x21,%rax
  sar    $0x1f,%edi
  lea    (%rdx,%rdx,4),%edx
  add    %edx,%edx
  sub    %edi,%eax
  mov    %eax,%edi
  jne    L26
L7:
  mov    %esi,%eax
  ret
L9:
  mov    %edi,%esi
  jmp    L7
```

assistant: ```c
int base5(int n) {
  int i = 1, n5 = 0;
  while (n != 0) {
    n5 += (n % 5) * i;
    n = (n - n % 5) / 5;
    i *= 10;
  }
  return n5;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<base5>:
  endbr64
  xor    %r8d,%r8d
  test   %edi,%edi
  je     L13
  mov    $0x1,%edx
L10:
  movslq %edi,%rax
  mov    %edi,%ecx
  imul   $0x66666667,%rax,%rax
  sar    $0x1f,%ecx
  sar    $0x21,%rax
  sub    %ecx,%eax
  lea    (%rax,%rax,4),%ecx
  mov    %edi,%eax
  sub    %ecx,%eax
  sub    %eax,%edi
  mov    %eax,%ecx
  movslq %edi,%rax
  imul   %edx,%ecx
  sar    $0x1f,%edi
  lea    (%rdx,%rdx,4),%edx
  imul   $0x66666667,%rax,%rax
  add    %edx,%edx
  add    %ecx,%r8d
  sar    $0x21,%rax
  sub    %edi,%eax
  mov    %eax,%edi
  jne    L10
L13:
  mov    %r8d,%eax
  ret
```

assistant: ```c
int base5(int n) {
  int i = 1, n5 = 0;
  while (n != 0) {
    n5 += (n % 5) * i;
    n = (n - n % 5) / 5;
    i *= 10;
  }
  return n5;
}
```
user: What is the c source code of the assembly code below:

```asm
<base5>:
  endbr64
  xor    %r8d,%r8d
  test   %edi,%edi
  je     L1
  mov    $0x1,%edx
L9:
  movslq %edi,%rax
  mov    %edi,%ecx
  imul   $0x66666667,%rax,%rax
  sar    $0x1f,%ecx
  sar    $0x21,%rax
  sub    %ecx,%eax
  lea    (%rax,%rax,4),%ecx
  mov    %edi,%eax
  sub    %ecx,%eax
  sub    %eax,%edi
  mov    %eax,%ecx
  movslq %edi,%rax
  imul   %edx,%ecx
  sar    $0x1f,%edi
  lea    (%rdx,%rdx,4),%edx
  imul   $0x66666667,%rax,%rax
  add    %edx,%edx
  add    %ecx,%r8d
  sar    $0x21,%rax
  sub    %edi,%eax
  mov    %eax,%edi
  jne    L9
L1:
  mov    %r8d,%eax
  ret
```

assistant: ```c
int base5(int n) {
  int i = 1, n5 = 0;
  while (n != 0) {
    n5 += (n % 5) * i;
    n = (n - n % 5) / 5;
    i *= 10;
  }
  return n5;
}
```