ylfeng/ReF-Decompile-dataset huggingface dataset:
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<xchg_8>:
  endbr64
  mov    %esi,%eax
  xchg   %al,(%rdi)
  ret
```

assistant: ```c
unsigned char xchg_8(void *ptr, unsigned char x) {
  asm volatile("xchgb %0,%1" : "=r"(x) : "m"(*(volatile unsigned char *)ptr), "0"(x) : "memory");
  return x;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<xchg_8>:
  endbr64
  mov    %esi,%eax
  xchg   %al,(%rdi)
  ret
```

assistant: ```c
unsigned char xchg_8(void *ptr, unsigned char x) {
  asm volatile("xchgb %0,%1" : "=r"(x) : "m"(*(volatile unsigned char *)ptr), "0"(x) : "memory");
  return x;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<xchg_8>:
  endbr64
  mov    %esi,%eax
  xchg   %al,(%rdi)
  ret
```

assistant: ```c
unsigned char xchg_8(void *ptr, unsigned char x) {
  asm volatile("xchgb %0,%1" : "=r"(x) : "m"(*(volatile unsigned char *)ptr), "0"(x) : "memory");
  return x;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<ft_strdup>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  movl   $0x0,-0x10(%rbp)
  movl   $0x0,-0xc(%rbp)
  jmp    L31
L39:
  addl   $0x1,-0xc(%rbp)
L31:
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L39
  mov    -0xc(%rbp),%eax
  add    $0x1,%eax
  mov    %eax,%edi
  call   <malloc@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  jne    L12
  mov    $0x0,%eax
  jmp    L23
L2:
  mov    -0x10(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    -0x10(%rbp),%edx
  movslq %edx,%rcx
  mov    -0x8(%rbp),%rdx
  add    %rcx,%rdx
  movzbl (%rax),%eax
  mov    %al,(%rdx)
  addl   $0x1,-0x10(%rbp)
L12:
  mov    -0x10(%rbp),%eax
  cmp    -0xc(%rbp),%eax
  jle    L2
  mov    -0x10(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  mov    -0x8(%rbp),%rax
L23:
  leave
  ret
```

assistant: ```c
char *ft_strdup(char *src) {
  int i;
  int len;
  char *str;
  i = 0;
  len = 0;
  while (src[len])
    len++;
  str = (char *)malloc(sizeof(*str) * (len + 1));
  if (str == NULL)
    return (NULL);
  while (i <= len) {
    str[i] = src[i];
    i++;
  }
  str[i] = '\0';
  return (str);
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<ft_strdup>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbp
  cmpb   $0x0,(%rdi)
  je     L71
  lea    0x1(%rdi),%rax
  mov    $0x0,%ebx
L22:
  mov    %ebx,%edi
  add    $0x1,%ebx
  add    $0x1,%rax
  cmpb   $0x0,-0x1(%rax)
  jne    L22
  add    $0x2,%edi
  call   <malloc@plt>
  test   %rax,%rax
  je     L84
  test   %ebx,%ebx
  js     L64
  mov    $0x0,%edx
L20:
  movzbl 0x0(%rbp,%rdx,1),%ecx
  mov    %cl,(%rax,%rdx,1)
  add    $0x1,%rdx
  cmp    %edx,%ebx
  jge    L20
L7:
  test   %ebx,%ebx
  mov    $0x0,%edx
  cmovns %ebx,%edx
  add    $0x1,%edx
L88:
  movslq %edx,%rdx
  movb   $0x0,(%rax,%rdx,1)
L54:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
L64:
  mov    $0x0,%edx
  jmp    L88
L84:
  mov    $0x0,%eax
  jmp    L54
L51:
  mov    $0x0,%eax
  jmp    L54
L71:
  mov    $0x1,%edi
  call   <malloc@plt>
  test   %rax,%rax
  je     L51
  movzbl 0x0(%rbp),%edx
  mov    %dl,(%rax)
  mov    $0x0,%ebx
  jmp    L7
```

assistant: ```c
char *ft_strdup(char *src) {
  int i;
  int len;
  char *str;
  i = 0;
  len = 0;
  while (src[len])
    len++;
  str = (char *)malloc(sizeof(*str) * (len + 1));
  if (str == NULL)
    return (NULL);
  while (i <= len) {
    str[i] = src[i];
    i++;
  }
  str[i] = '\0';
  return (str);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<ft_strdup>:
  endbr64
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x8,%rsp
  cmpb   $0x0,(%rdi)
  je     L55
  xor    %eax,%eax
  nopl   0x0(%rax)
L48:
  mov    %eax,%edx
  add    $0x1,%rax
  cmpb   $0x0,(%rbx,%rax,1)
  jne    L48
  lea    0x2(%rdx),%ebp
  mov    %ebp,%edi
  call   <malloc@plt>
  mov    %ebp,%esi
  add    %rax,%rsi
  mov    %rax,%rdx
  sub    %rax,%rbx
  test   %rax,%rax
  je     L47
  xchg   %ax,%ax
L23:
  movzbl (%rbx,%rdx,1),%ecx
  add    $0x1,%rdx
  mov    %cl,-0x1(%rdx)
  cmp    %rsi,%rdx
  jne    L23
  movslq %ebp,%rdx
L49:
  movb   $0x0,(%rax,%rdx,1)
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
  xchg   %ax,%ax
L47:
  add    $0x8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  ret
  nopl   0x0(%rax)
L55:
  mov    $0x1,%edi
  call   <malloc@plt>
  test   %rax,%rax
  je     L47
  movzbl (%rbx),%edx
  mov    %dl,(%rax)
  mov    $0x1,%edx
  jmp    L49
```

assistant: ```c
char *ft_strdup(char *src) {
  int i;
  int len;
  char *str;
  i = 0;
  len = 0;
  while (src[len])
    len++;
  str = (char *)malloc(sizeof(*str) * (len + 1));
  if (str == NULL)
    return (NULL);
  while (i <= len) {
    str[i] = src[i];
    i++;
  }
  str[i] = '\0';
  return (str);
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<parse_line_from_file>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  mov    -0x18(%rbp),%rax
  lea    D3(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <fopen@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  jne    L18
  mov    $0x1,%eax
  jmp    L8
L18:
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <fileno@plt>
  mov    $0x1,%esi
  mov    %eax,%edi
  call   <flock@plt>
  mov    -0x28(%rbp),%rdx
  mov    -0x20(%rbp),%rcx
  mov    -0x8(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <parse_line_from_file_nolock@plt>
  mov    %eax,-0xc(%rbp)
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <fclose@plt>
  mov    -0xc(%rbp),%eax
L8:
  leave
  ret
```

tool_calls: name: parse_data
arguments: label: D3
datatype: string

tool: D3: r

assistant: ```c
int parse_line_from_file(char *path, char **linep, int *sizep) {
  int result;
  FILE *f = fopen(path, "r");
  if (f == NULL)
    return 1;
  flock(fileno(f), 1);
  result = parse_line_from_file_nolock(f, linep, sizep);
  fclose(f);
  return result;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<parse_line_from_file>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rsi,%r12
  mov    %rdx,%r13
  lea    D4(%rip),%rsi
  call   <fopen@plt>
  mov    $0x1,%ebp
  test   %rax,%rax
  je     L7
  mov    %rax,%rbx
  mov    %rax,%rdi
  call   <fileno@plt>
  mov    %eax,%edi
  mov    $0x1,%esi
  call   <flock@plt>
  mov    %r13,%rdx
  mov    %r12,%rsi
  mov    %rbx,%rdi
  call   <parse_line_from_file_nolock@plt>
  mov    %eax,%ebp
  mov    %rbx,%rdi
  call   <fclose@plt>
L7:
  mov    %ebp,%eax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

tool_calls: name: parse_data
arguments: tag: D4
type_guessed: string

tool: D4: r

assistant: ```c
int parse_line_from_file(char *path, char **linep, int *sizep) {
  int result;
  FILE *f = fopen(path, "r");
  if (f == NULL)
    return 1;
  flock(fileno(f), 1);
  result = parse_line_from_file_nolock(f, linep, sizep);
  fclose(f);
  return result;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<parse_line_from_file>:
  endbr64
  push   %r14
  mov    %rdx,%r14
  push   %r13
  mov    %rsi,%r13
  lea    D6(%rip),%rsi
  push   %r12
  mov    $0x1,%r12d
  push   %rbp
  sub    $0x8,%rsp
  call   <fopen@plt>
  test   %rax,%rax
  je     L1
  mov    %rax,%rdi
  mov    %rax,%rbp
  call   <fileno@plt>
  mov    $0x1,%esi
  mov    %eax,%edi
  call   <flock@plt>
  mov    %rbp,%rdi
  mov    %r14,%rdx
  mov    %r13,%rsi
  call   <parse_line_from_file_nolock@plt>
  mov    %rbp,%rdi
  mov    %eax,%r12d
  call   <fclose@plt>
L1:
  add    $0x8,%rsp
  mov    %r12d,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

tool_calls: name: unpack_data
arguments: label: D6
datatype: string

tool: D6: r

assistant: ```c
int parse_line_from_file(char *path, char **linep, int *sizep) {
  int result;
  FILE *f = fopen(path, "r");
  if (f == NULL)
    return 1;
  flock(fileno(f), 1);
  result = parse_line_from_file_nolock(f, linep, sizep);
  fclose(f);
  return result;
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<parse_line_from_file>:
  endbr64
  push   %r14
  mov    %rdx,%r14
  push   %r13
  mov    %rsi,%r13
  lea    D3(%rip),%rsi
  push   %r12
  mov    $0x1,%r12d
  push   %rbp
  sub    $0x8,%rsp
  call   <fopen@plt>
  test   %rax,%rax
  je     L0
  mov    %rax,%rdi
  mov    %rax,%rbp
  call   <fileno@plt>
  mov    $0x1,%esi
  mov    %eax,%edi
  call   <flock@plt>
  mov    %rbp,%rdi
  mov    %r14,%rdx
  mov    %r13,%rsi
  call   <parse_line_from_file_nolock@plt>
  mov    %rbp,%rdi
  mov    %eax,%r12d
  call   <fclose@plt>
L0:
  add    $0x8,%rsp
  mov    %r12d,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

tool_calls: name: read_data
arguments: tag: D3
data_type: string

tool: D3: r

assistant: ```c
int parse_line_from_file(char *path, char **linep, int *sizep) {
  int result;
  FILE *f = fopen(path, "r");
  if (f == NULL)
    return 1;
  flock(fileno(f), 1);
  result = parse_line_from_file_nolock(f, linep, sizep);
  fclose(f);
  return result;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<maximize>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  movl   $0x0,-0x18(%rbp)
  movl   $0x0,-0x10(%rbp)
  jmp    L53
L47:
  mov    -0x10(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  cmp    %eax,-0x18(%rbp)
  jg     L12
  mov    -0x10(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  mov    %eax,-0x18(%rbp)
  mov    -0x10(%rbp),%eax
  mov    %eax,-0x14(%rbp)
L12:
  addl   $0x1,-0x10(%rbp)
L53:
  mov    -0x10(%rbp),%eax
  cltq
  cmp    %rax,-0x30(%rbp)
  ja     L47
  movq   $0x0,-0x8(%rbp)
  movl   $0x0,-0xc(%rbp)
  jmp    L48
L27:
  mov    -0xc(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%edx
  mov    -0x18(%rbp),%eax
  sub    %edx,%eax
  cltq
  add    %rax,-0x8(%rbp)
  addl   $0x1,-0xc(%rbp)
L48:
  mov    -0xc(%rbp),%eax
  cmp    -0x14(%rbp),%eax
  jl     L27
  mov    -0x14(%rbp),%eax
  cltq
  mov    -0x30(%rbp),%rdx
  sub    $0x1,%rdx
  cmp    %rdx,%rax
  je     L55
  mov    -0x14(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x30(%rbp),%rax
  sub    %rdx,%rax
  lea    -0x1(%rax),%rdx
  mov    -0x14(%rbp),%eax
  cltq
  add    $0x1,%rax
  lea    0x0(,%rax,4),%rcx
  mov    -0x28(%rbp),%rax
  add    %rcx,%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <maximize>
  add    %rax,-0x8(%rbp)
L55:
  mov    -0x8(%rbp),%rax
  leave
  ret
```

assistant: ```c
long maximize(int *prices, size_t days) {
  int max_price = 0;
  int max_price_index;
  for (int i = 0; i < days; i++) {
    if (prices[i] >= max_price) {
      max_price = prices[i];
      max_price_index = i;
    }
  }
  long profit = 0;
  for (int i = 0; i < max_price_index; i++) {
    profit += (max_price - prices[i]);
  }
  if (max_price_index != days - 1) {
    profit += maximize(&prices[max_price_index + 1], days - max_price_index - 1);
  }
  return profit;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<maximize>:
  endbr64
  push   %rbx
  test   %rsi,%rsi
  je     L85
  mov    $0x0,%eax
  mov    $0x0,%ecx
  jmp    L83
L47:
  add    $0x1,%rax
  cmp    %rax,%rsi
  je     L5
L83:
  mov    (%rdi,%rax,4),%edx
  cmp    %ecx,%edx
  jl     L47
  mov    %eax,%r8d
  mov    %edx,%ecx
  jmp    L47
L85:
  mov    $0x0,%ecx
L5:
  test   %r8d,%r8d
  jle    L90
  mov    %rdi,%rax
  lea    -0x1(%r8),%edx
  lea    0x4(%rdi,%rdx,4),%r9
  mov    $0x0,%ebx
L42:
  mov    %ecx,%edx
  sub    (%rax),%edx
  movslq %edx,%rdx
  add    %rdx,%rbx
  add    $0x4,%rax
  cmp    %r9,%rax
  jne    L42
L8:
  movslq %r8d,%r8
  sub    $0x1,%rsi
  cmp    %rsi,%r8
  jne    L19
L11:
  mov    %rbx,%rax
  pop    %rbx
  ret
L90:
  mov    $0x0,%ebx
  jmp    L8
L19:
  sub    %r8,%rsi
  lea    0x4(%rdi,%r8,4),%rdi
  call   <maximize>
  add    %rax,%rbx
  jmp    L11
```

assistant: ```c
long maximize(int *prices, size_t days) {
  int max_price = 0;
  int max_price_index;
  for (int i = 0; i < days; i++) {
    if (prices[i] >= max_price) {
      max_price = prices[i];
      max_price_index = i;
    }
  }
  long profit = 0;
  for (int i = 0; i < max_price_index; i++) {
    profit += (max_price - prices[i]);
  }
  if (max_price_index != days - 1) {
    profit += maximize(&prices[max_price_index + 1], days - max_price_index - 1);
  }
  return profit;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<maximize>:
  endbr64
  xor    %r10d,%r10d
  test   %rsi,%rsi
  je     L22
  nopl   0x0(%rax)
L10:
  xor    %eax,%eax
  xor    %ecx,%ecx
  nopl   0x0(%rax)
L67:
  mov    (%rdi,%rax,4),%edx
  cmp    %ecx,%edx
  jl     L43
  mov    %eax,%r9d
  mov    %edx,%ecx
L43:
  add    $0x1,%rax
  cmp    %rax,%rsi
  jne    L67
  test   %r9d,%r9d
  je     L27
L72:
  xor    %eax,%eax
  xor    %r8d,%r8d
  nopw   0x0(%rax,%rax,1)
L55:
  mov    %ecx,%edx
  sub    (%rdi,%rax,4),%edx
  add    $0x1,%rax
  movslq %edx,%rdx
  add    %rdx,%r8
  cmp    %eax,%r9d
  jg     L55
  add    %r8,%r10
L27:
  movslq %r9d,%rax
  lea    -0x1(%rsi),%rdx
  cmp    %rdx,%rax
  je     L74
L20:
  sub    %rax,%rsi
  lea    0x4(%rdi,%rax,4),%rdi
  sub    $0x1,%rsi
  test   %rsi,%rsi
  jne    L10
L22:
  xor    %ecx,%ecx
  test   %r9d,%r9d
  jg     L72
  movslq %r9d,%rax
  jmp    L20
L74:
  mov    %r10,%rax
  ret
```

assistant: ```c
long maximize(int *prices, size_t days) {
  int max_price = 0;
  int max_price_index;
  for (int i = 0; i < days; i++) {
    if (prices[i] >= max_price) {
      max_price = prices[i];
      max_price_index = i;
    }
  }
  long profit = 0;
  for (int i = 0; i < max_price_index; i++) {
    profit += (max_price - prices[i]);
  }
  if (max_price_index != days - 1) {
    profit += maximize(&prices[max_price_index + 1], days - max_price_index - 1);
  }
  return profit;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<_strcasestr>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %rdx,-0x28(%rbp)
  mov    -0x20(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %rax,-0x8(%rbp)
  movq   $0x0,-0x10(%rbp)
  jmp    L36
L12:
  mov    -0x18(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  lea    (%rdx,%rax,1),%rdi
  mov    -0x28(%rbp),%rcx
  mov    -0x8(%rbp),%rdx
  mov    -0x20(%rbp),%rax
  mov    %rax,%rsi
  call   <_strncasecmp@plt>
  test   %rax,%rax
  jne    L7
  mov    -0x18(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  jmp    L24
L7:
  addq   $0x1,-0x10(%rbp)
L36:
  mov    -0x18(%rbp),%rdx
  mov    -0x10(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L12
  mov    $0x0,%eax
L24:
  leave
  ret
```

assistant: ```c
char *_strcasestr(const char *haystack, const char *needle, void *addr) {
  size_t needle_len = strlen(needle);
  for (size_t i = 0; haystack[i]; i++) {
    if (_strncasecmp(&haystack[i], needle, needle_len, addr) == 0) {
      return (char *)(&haystack[i]);
    }
  }
  return NULL;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<_strcasestr>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbx
  mov    %rsi,%rbp
  mov    %rdx,%r13
  mov    %rsi,%rdi
  call   <strlen@plt>
  mov    %rax,%r12
  cmpb   $0x0,(%rbx)
  je     L2
L15:
  mov    %r13,%rcx
  mov    %r12,%rdx
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <_strncasecmp@plt>
  test   %rax,%rax
  je     L18
  add    $0x1,%rbx
  cmpb   $0x0,(%rbx)
  jne    L15
  mov    $0x0,%eax
  jmp    L33
L2:
  mov    $0x0,%eax
  jmp    L33
L18:
  mov    %rbx,%rax
L33:
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
char *_strcasestr(const char *haystack, const char *needle, void *addr) {
  size_t needle_len = strlen(needle);
  for (size_t i = 0; haystack[i]; i++) {
    if (_strncasecmp(&haystack[i], needle, needle_len, addr) == 0) {
      return (char *)(&haystack[i]);
    }
  }
  return NULL;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<_strcasestr>:
  endbr64
  push   %r13
  mov    %rdx,%r13
  push   %r12
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  mov    %rdi,%rbx
  mov    %rsi,%rdi
  sub    $0x8,%rsp
  call   <strlen@plt>
  cmpb   $0x0,(%rbx)
  je     L32
  mov    %rax,%r12
  jmp    L19
  nopl   0x0(%rax)
L24:
  add    $0x1,%rbx
  cmpb   $0x0,(%rbx)
  je     L32
L19:
  mov    %r13,%rcx
  mov    %r12,%rdx
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <_strncasecmp@plt>
  test   %rax,%rax
  jne    L24
  add    $0x8,%rsp
  mov    %rbx,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   (%rax)
L32:
  add    $0x8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
char *_strcasestr(const char *haystack, const char *needle, void *addr) {
  size_t needle_len = strlen(needle);
  for (size_t i = 0; haystack[i]; i++) {
    if (_strncasecmp(&haystack[i], needle, needle_len, addr) == 0) {
      return (char *)(&haystack[i]);
    }
  }
  return NULL;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<_strcasestr>:
  endbr64
  push   %r13
  mov    %rdx,%r13
  push   %r12
  push   %rbp
  mov    %rsi,%rbp
  push   %rbx
  mov    %rdi,%rbx
  mov    %rsi,%rdi
  sub    $0x8,%rsp
  call   <strlen@plt>
  cmpb   $0x0,(%rbx)
  je     L21
  mov    %rax,%r12
  jmp    L36
  nopl   0x0(%rax)
L3:
  add    $0x1,%rbx
  cmpb   $0x0,(%rbx)
  je     L21
L36:
  mov    %r13,%rcx
  mov    %r12,%rdx
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <_strncasecmp@plt>
  test   %rax,%rax
  jne    L3
  add    $0x8,%rsp
  mov    %rbx,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   (%rax)
L21:
  add    $0x8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
char *_strcasestr(const char *haystack, const char *needle, void *addr) {
  size_t needle_len = strlen(needle);
  for (size_t i = 0; haystack[i]; i++) {
    if (_strncasecmp(&haystack[i], needle, needle_len, addr) == 0) {
      return (char *)(&haystack[i]);
    }
  }
  return NULL;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<splitchr>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %esi,%eax
  mov    %al,-0x2c(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  movl   $0x0,-0x14(%rbp)
  jmp    L2
L10:
  addl   $0x1,-0x14(%rbp)
  mov    -0x8(%rbp),%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x10(%rbp),%rax
  movb   $0x0,(%rax)
  addq   $0x1,-0x10(%rbp)
L2:
  movsbl -0x2c(%rbp),%edx
  mov    -0x10(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <strchr@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  jne    L10
  mov    -0x14(%rbp),%eax
  leave
  ret
```

assistant: ```c
int splitchr(char *str, char sep) {
  char *next;
  char *buf = str;
  int nbel = 0;
  while ((next = strchr(buf, sep)) != NULL) {
    nbel++;
    buf = next;
    buf[0] = '\0';
    buf++;
  }
  return nbel;
}
```
user: What is the c source code of the assembly code below?

```asm
<splitchr>:
  endbr64
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    $0x0,%ebx
  movsbl %sil,%ebp
  jmp    L0
L17:
  add    $0x1,%ebx
  movb   $0x0,(%rax)
  lea    0x1(%rax),%rdi
L0:
  mov    %ebp,%esi
  call   <strchr@plt>
  test   %rax,%rax
  jne    L17
  mov    %ebx,%eax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
```

assistant: ```c
int splitchr(char *str, char sep) {
  char *next;
  char *buf = str;
  int nbel = 0;
  while ((next = strchr(buf, sep)) != NULL) {
    nbel++;
    buf = next;
    buf[0] = '\0';
    buf++;
  }
  return nbel;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<splitchr>:
  endbr64
  push   %r12
  xor    %r12d,%r12d
  push   %rbx
  movsbl %sil,%ebx
  sub    $0x8,%rsp
  jmp    L9
  nopl   0x0(%rax)
L5:
  movb   $0x0,(%rax)
  add    $0x1,%r12d
  lea    0x1(%rax),%rdi
L9:
  mov    %ebx,%esi
  call   <strchr@plt>
  test   %rax,%rax
  jne    L5
  add    $0x8,%rsp
  mov    %r12d,%eax
  pop    %rbx
  pop    %r12
  ret
```

assistant: ```c
int splitchr(char *str, char sep) {
  char *next;
  char *buf = str;
  int nbel = 0;
  while ((next = strchr(buf, sep)) != NULL) {
    nbel++;
    buf = next;
    buf[0] = '\0';
    buf++;
  }
  return nbel;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<splitchr>:
  endbr64
  push   %r12
  xor    %r12d,%r12d
  push   %rbx
  movsbl %sil,%ebx
  sub    $0x8,%rsp
  jmp    L0
  nopl   0x0(%rax)
L9:
  movb   $0x0,(%rax)
  add    $0x1,%r12d
  lea    0x1(%rax),%rdi
L0:
  mov    %ebx,%esi
  call   <strchr@plt>
  test   %rax,%rax
  jne    L9
  add    $0x8,%rsp
  mov    %r12d,%eax
  pop    %rbx
  pop    %r12
  ret
```

assistant: ```c
int splitchr(char *str, char sep) {
  char *next;
  char *buf = str;
  int nbel = 0;
  while ((next = strchr(buf, sep)) != NULL) {
    nbel++;
    buf = next;
    buf[0] = '\0';
    buf++;
  }
  return nbel;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<GoRgbaToHsla>:
  endbr64
  sar    $0x2,%edx
  test   %edx,%edx
  jle    L37
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%r14
  mov    %rsi,%r15
  mov    %edx,%eax
  mov    %rax,-0x8(%rsp)
  mov    $0x0,%r11d
  jmp    L51
L18:
  mov    %r10d,%eax
  shl    $0x8,%eax
  sub    %r10d,%eax
  cltd
  idiv   %r13d
  mov    %eax,%r9d
  jmp    L61
L79:
  sub    %esi,%ebx
  imul   $0x2a,%ebx,%eax
  cltd
  idiv   %r10d
  lea    0x100(%rax),%r10d
  test   %eax,%eax
  cmovns %eax,%r10d
L15:
  shl    $0x10,%ecx
  or     %r8d,%ecx
  or     %r10d,%ecx
  shl    $0x8,%r9d
  or     %ecx,%r9d
  mov    %r9d,(%r15,%r11,4)
  add    $0x1,%r11
  cmp    -0x8(%rsp),%r11
  je     L20
L51:
  mov    (%r14,%r11,4),%edx
  movzbl %dl,%edi
  movzbl %dh,%ebx
  mov    %edx,%esi
  shr    $0x10,%esi
  movzbl %sil,%esi
  and    $0xff000000,%edx
  mov    %edx,%r8d
  cmp    %esi,%ebx
  mov    %esi,%eax
  cmovle %ebx,%eax
  cmp    %edi,%eax
  cmovg  %edi,%eax
  cmp    %esi,%ebx
  mov    %esi,%ebp
  cmovge %ebx,%ebp
  cmp    %edi,%ebp
  mov    %edi,%r12d
  cmovge %ebp,%r12d
  lea    (%r12,%rax,1),%r13d
  mov    %r12d,%r10d
  sub    %eax,%r10d
  mov    %r13d,%ecx
  sar    %ecx
  mov    %r10d,%r9d
  test   %r10d,%r10d
  je     L15
  cmp    $0x7f,%ecx
  jle    L18
  mov    %r10d,%eax
  shl    $0x8,%eax
  sub    %r10d,%eax
  mov    $0x1fe,%r9d
  sub    %r13d,%r9d
  cltd
  idiv   %r9d
  mov    %eax,%r9d
L61:
  cmp    %edi,%ebp
  jle    L79
  cmp    %r12d,%ebx
  je     L96
  sub    %ebx,%edi
  imul   $0x2a,%edi,%eax
  cltd
  idiv   %r10d
  lea    0xa8(%rax),%r10d
  jmp    L15
L96:
  sub    %edi,%esi
  imul   $0x2a,%esi,%eax
  cltd
  idiv   %r10d
  lea    0x54(%rax),%r10d
  jmp    L15
L20:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L37:
  ret
```

assistant: ```c
void GoRgbaToHsla(void *rgbaBytes, void *hslaBytes, int byteCount) {
  uint32_t *rgbaPixel = (uint32_t *)rgbaBytes;
  uint32_t *hslaPixel = (uint32_t *)hslaBytes;
  for (int i = (byteCount >> 2); i > 0; --i, ++rgbaPixel, ++hslaPixel) {
    unsigned rgba = *rgbaPixel;
    int r = rgba & 0xff;
    int g = (rgba >> 8) & 0xff;
    int b = (rgba >> 16) & 0xff;
    unsigned unshiftedA = rgba & 0xff000000;
    int min = r;
    if (min > g)
      min = g;
    if (min > b)
      min = b;
    int max = r;
    if (max < g)
      max = g;
    if (max < b)
      max = b;
    int sum = min + max;
    int diff = max - min;
    int l = sum >> 1;
    int h, s;
    if (diff == 0) {
      s = 0;
      h = 0;
    } else {
      if (l >= 128) {
        s = 255 * diff / (510 - sum);
      } else {
        s = 255 * diff / sum;
      }
      if (max == r) {
        h = 42 * (g - b) / diff;
        if (h < 0)
          h += 256;
      } else if (max == g) {
        h = 84 + 42 * (b - r) / diff;
      } else {
        h = 168 + 42 * (r - g) / diff;
      }
    }
    uint32_t hsla = (uint32_t)((unsigned)h | ((unsigned)s << 8) | ((unsigned)l << 16) | unshiftedA);
    *hslaPixel = hsla;
  }
}
```