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

```asm
<scgi_getenv>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x40,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %rdx,-0x38(%rbp)
  mov    -0x28(%rbp),%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x18(%rbp)
  mov    -0x38(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %rax,-0x10(%rbp)
L13:
  mov    -0x38(%rbp),%rdx
  mov    -0x28(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L38
  mov    -0x10(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  jmp    L56
L38:
  mov    -0x18(%rbp),%rax
  sub    -0x28(%rbp),%rax
  mov    %rax,%rdx
  mov    -0x28(%rbp),%rax
  mov    $0x0,%esi
  mov    %rax,%rdi
  call   <memchr@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  jne    L64
  mov    $0x0,%eax
  jmp    L56
L64:
  mov    -0x18(%rbp),%rax
  sub    -0x28(%rbp),%rax
  mov    %rax,%rdx
  mov    -0x8(%rbp),%rax
  add    $0x1,%rax
  mov    $0x0,%esi
  mov    %rax,%rdi
  call   <memchr@plt>
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x8(%rbp)
  jne    L5
  mov    $0x0,%eax
  jmp    L56
L5:
  mov    -0x8(%rbp),%rax
  add    $0x1,%rax
  mov    %rax,-0x28(%rbp)
  mov    -0x28(%rbp),%rax
  cmp    -0x18(%rbp),%rax
  jb     L13
  mov    $0x0,%eax
L56:
  leave
  ret
```

assistant: ```c
char *scgi_getenv(char *r, const unsigned long rlen, const char *const name) {
  char *const end = r + rlen;
  char *z;
  const size_t len = strlen(name);
  do {
    if (0 == strcmp(r, name))
      return r + len + 1;
    z = memchr(r, '\0', (size_t)(end - r));
    if (NULL == z)
      return NULL;
    z = memchr(z + 1, '\0', (size_t)(end - r));
    if (NULL == z)
      return NULL;
    r = z + 1;
  } while (r < end);
  return NULL;
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<scgi_getenv>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  mov    %rdx,%r13
  lea    (%rdi,%rsi,1),%r12
  mov    %rdx,%rdi
  call   <strlen@plt>
  mov    %rax,%r14
L12:
  mov    %r13,%rsi
  mov    %rbx,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L10
  mov    %r12,%rbp
  sub    %rbx,%rbp
  mov    %rbp,%rdx
  mov    $0x0,%esi
  mov    %rbx,%rdi
  call   <memchr@plt>
  test   %rax,%rax
  je     L27
  lea    0x1(%rax),%rdi
  mov    %rbp,%rdx
  mov    $0x0,%esi
  call   <memchr@plt>
  test   %rax,%rax
  je     L27
  lea    0x1(%rax),%rbx
  cmp    %rbx,%r12
  ja     L12
  mov    $0x0,%eax
  jmp    L27
L10:
  lea    0x1(%rbx,%r14,1),%rax
L27:
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

assistant: ```c
char *scgi_getenv(char *r, const unsigned long rlen, const char *const name) {
  char *const end = r + rlen;
  char *z;
  const size_t len = strlen(name);
  do {
    if (0 == strcmp(r, name))
      return r + len + 1;
    z = memchr(r, '\0', (size_t)(end - r));
    if (NULL == z)
      return NULL;
    z = memchr(z + 1, '\0', (size_t)(end - r));
    if (NULL == z)
      return NULL;
    r = z + 1;
  } while (r < end);
  return NULL;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<scgi_getenv>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  mov    %rdx,%r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  lea    (%rdi,%rsi,1),%rbx
  mov    %rdx,%rdi
  call   <strlen@plt>
  mov    %rax,%r13
  jmp    L45
  nopl   0x0(%rax,%rax,1)
L33:
  mov    %rbx,%r14
  xor    %esi,%esi
  mov    %rbp,%rdi
  sub    %rbp,%r14
  mov    %r14,%rdx
  call   <memchr@plt>
  test   %rax,%rax
  je     L11
  xor    %esi,%esi
  lea    0x1(%rax),%rdi
  mov    %r14,%rdx
  call   <memchr@plt>
  test   %rax,%rax
  je     L11
  lea    0x1(%rax),%rbp
  cmp    %rbp,%rbx
  jbe    L11
L45:
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L33
  pop    %rbx
  lea    0x1(%rbp,%r13,1),%rax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopw   0x0(%rax,%rax,1)
L11:
  pop    %rbx
  xor    %eax,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

assistant: ```c
char *scgi_getenv(char *r, const unsigned long rlen, const char *const name) {
  char *const end = r + rlen;
  char *z;
  const size_t len = strlen(name);
  do {
    if (0 == strcmp(r, name))
      return r + len + 1;
    z = memchr(r, '\0', (size_t)(end - r));
    if (NULL == z)
      return NULL;
    z = memchr(z + 1, '\0', (size_t)(end - r));
    if (NULL == z)
      return NULL;
    r = z + 1;
  } while (r < end);
  return NULL;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<scgi_getenv>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  mov    %rdx,%r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  lea    (%rdi,%rsi,1),%rbx
  mov    %rdx,%rdi
  call   <strlen@plt>
  mov    %rax,%r13
  jmp    L25
  nopl   0x0(%rax,%rax,1)
L42:
  mov    %rbx,%r14
  xor    %esi,%esi
  mov    %rbp,%rdi
  sub    %rbp,%r14
  mov    %r14,%rdx
  call   <memchr@plt>
  test   %rax,%rax
  je     L3
  xor    %esi,%esi
  lea    0x1(%rax),%rdi
  mov    %r14,%rdx
  call   <memchr@plt>
  test   %rax,%rax
  je     L3
  lea    0x1(%rax),%rbp
  cmp    %rbp,%rbx
  jbe    L3
L25:
  mov    %r12,%rsi
  mov    %rbp,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L42
  pop    %rbx
  lea    0x1(%rbp,%r13,1),%rax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
  nopw   0x0(%rax,%rax,1)
L3:
  pop    %rbx
  xor    %eax,%eax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

assistant: ```c
char *scgi_getenv(char *r, const unsigned long rlen, const char *const name) {
  char *const end = r + rlen;
  char *z;
  const size_t len = strlen(name);
  do {
    if (0 == strcmp(r, name))
      return r + len + 1;
    z = memchr(r, '\0', (size_t)(end - r));
    if (NULL == z)
      return NULL;
    z = memchr(z + 1, '\0', (size_t)(end - r));
    if (NULL == z)
      return NULL;
    r = z + 1;
  } while (r < end);
  return NULL;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<BUS_compute_shuffled_ADDRESS>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x14(%rbp)
  mov    %esi,-0x18(%rbp)
  mov    %edx,-0x1c(%rbp)
  mov    -0x14(%rbp),%eax
  add    %eax,%eax
  and    $0xc000,%eax
  mov    %eax,%edx
  mov    -0x18(%rbp),%eax
  shr    $0x8,%eax
  and    $0x7,%eax
  or     %eax,%edx
  mov    -0x18(%rbp),%eax
  shl    $0x7,%eax
  and    $0xc00,%eax
  or     %eax,%edx
  mov    -0x1c(%rbp),%eax
  and    $0x33f8,%eax
  or     %edx,%eax
  mov    %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
unsigned int BUS_compute_shuffled_ADDRESS(unsigned int A, unsigned int B, unsigned C) {
  unsigned int address = ((A & 0x6000) << 1) | ((B & 0x0700) >> 8) | ((B & 0x0018) << 7) | (C & 0x33F8);
  return address;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<BUS_compute_shuffled_ADDRESS>:
  endbr64
  mov    %esi,%eax
  shr    $0x8,%eax
  and    $0x7,%eax
  shl    $0x7,%esi
  and    $0xc00,%esi
  or     %esi,%eax
  and    $0x33f8,%edx
  or     %edx,%eax
  add    %edi,%edi
  and    $0xc000,%edi
  or     %edi,%eax
  ret
```

assistant: ```c
unsigned int BUS_compute_shuffled_ADDRESS(unsigned int A, unsigned int B, unsigned C) {
  unsigned int address = ((A & 0x6000) << 1) | ((B & 0x0700) >> 8) | ((B & 0x0018) << 7) | (C & 0x33F8);
  return address;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<BUS_compute_shuffled_ADDRESS>:
  endbr64
  mov    %esi,%eax
  shl    $0x7,%esi
  and    $0x33f8,%edx
  add    %edi,%edi
  shr    $0x8,%eax
  and    $0xc00,%esi
  and    $0xc000,%edi
  and    $0x7,%eax
  or     %esi,%eax
  or     %edx,%eax
  or     %edi,%eax
  ret
```

assistant: ```c
unsigned int BUS_compute_shuffled_ADDRESS(unsigned int A, unsigned int B, unsigned C) {
  unsigned int address = ((A & 0x6000) << 1) | ((B & 0x0700) >> 8) | ((B & 0x0018) << 7) | (C & 0x33F8);
  return address;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<BUS_compute_shuffled_ADDRESS>:
  endbr64
  mov    %esi,%eax
  shl    $0x7,%esi
  and    $0x33f8,%edx
  add    %edi,%edi
  shr    $0x8,%eax
  and    $0xc00,%esi
  and    $0xc000,%edi
  and    $0x7,%eax
  or     %esi,%eax
  or     %edx,%eax
  or     %edi,%eax
  ret
```

assistant: ```c
unsigned int BUS_compute_shuffled_ADDRESS(unsigned int A, unsigned int B, unsigned C) {
  unsigned int address = ((A & 0x6000) << 1) | ((B & 0x0700) >> 8) | ((B & 0x0018) << 7) | (C & 0x33F8);
  return address;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    $0x0,%eax
  call   <test_inc_dec@plt>
  mov    $0x0,%eax
  call   <test_inc_dec_float@plt>
  mov    $0x0,%eax
  call   <test_inc_dec_pointer@plt>
  mov    $0x0,%eax
  call   <test_minus_plus@plt>
  mov    $0x0,%eax
  pop    %rbp
  ret
```

assistant: ```c
int main() {
  test_inc_dec();
  test_inc_dec_float();
  test_inc_dec_pointer();
  test_minus_plus();
  return 0;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  mov    $0x0,%eax
  call   <test_inc_dec@plt>
  mov    $0x0,%eax
  call   <test_inc_dec_float@plt>
  mov    $0x0,%eax
  call   <test_inc_dec_pointer@plt>
  mov    $0x0,%eax
  call   <test_minus_plus@plt>
  mov    $0x0,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int main() {
  test_inc_dec();
  test_inc_dec_float();
  test_inc_dec_pointer();
  test_minus_plus();
  return 0;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <test_inc_dec@plt>
  xor    %eax,%eax
  call   <test_inc_dec_float@plt>
  xor    %eax,%eax
  call   <test_inc_dec_pointer@plt>
  xor    %eax,%eax
  call   <test_minus_plus@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int main() {
  test_inc_dec();
  test_inc_dec_float();
  test_inc_dec_pointer();
  test_minus_plus();
  return 0;
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<main>:
  endbr64
  sub    $0x8,%rsp
  xor    %eax,%eax
  call   <test_inc_dec@plt>
  xor    %eax,%eax
  call   <test_inc_dec_float@plt>
  xor    %eax,%eax
  call   <test_inc_dec_pointer@plt>
  xor    %eax,%eax
  call   <test_minus_plus@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int main() {
  test_inc_dec();
  test_inc_dec_float();
  test_inc_dec_pointer();
  test_minus_plus();
  return 0;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<board_putc>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %edi,-0x4(%rbp)
  nop
L5:
  mov    $0xb2600018,%eax
  mov    (%rax),%eax
  and    $0x80,%eax
  test   %eax,%eax
  je     L5
  mov    $0xb2600000,%edx
  mov    -0x4(%rbp),%eax
  mov    %eax,(%rdx)
  nop
L19:
  mov    $0xb2600018,%eax
  mov    (%rax),%eax
  and    $0x80,%eax
  test   %eax,%eax
  je     L19
  nop
  nop
  pop    %rbp
  ret
```

assistant: ```c
void board_putc(int ch) {
  while ((*(volatile unsigned int *)(0xB2600000 + (0x18)) & (1 << 7)) == 0)
    ;
  *(volatile unsigned int *)(0xB2600000 + (0x00)) = (ch);
  while ((*(volatile unsigned int *)(0xB2600000 + (0x18)) & (1 << 7)) == 0)
    ;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<board_putc>:
  endbr64
  mov    %edi,%eax
  mov    $0xb2600018,%ecx
L6:
  mov    (%rcx),%edx
  test   $0x80,%dl
  je     L6
  movabs %eax,0xb2600000
  mov    $0xb2600018,%edx
L19:
  mov    (%rdx),%eax
  test   $0x80,%al
  je     L19
  ret
```

assistant: ```c
void board_putc(int ch) {
  while ((*(volatile unsigned int *)(0xB2600000 + (0x18)) & (1 << 7)) == 0)
    ;
  *(volatile unsigned int *)(0xB2600000 + (0x00)) = (ch);
  while ((*(volatile unsigned int *)(0xB2600000 + (0x18)) & (1 << 7)) == 0)
    ;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<board_putc>:
  endbr64
  mov    %edi,%eax
  mov    $0xb2600018,%ecx
  nopl   0x0(%rax,%rax,1)
L13:
  mov    (%rcx),%edx
  and    $0x80,%edx
  je     L13
  movabs %eax,0xb2600000
  mov    $0xb2600018,%edx
  nopl   0x0(%rax,%rax,1)
L19:
  mov    (%rdx),%eax
  test   $0x80,%al
  je     L19
  ret
```

assistant: ```c
void board_putc(int ch) {
  while ((*(volatile unsigned int *)(0xB2600000 + (0x18)) & (1 << 7)) == 0)
    ;
  *(volatile unsigned int *)(0xB2600000 + (0x00)) = (ch);
  while ((*(volatile unsigned int *)(0xB2600000 + (0x18)) & (1 << 7)) == 0)
    ;
}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<board_putc>:
  endbr64
  mov    %edi,%eax
  mov    $0xb2600018,%ecx
  nopl   0x0(%rax,%rax,1)
L2:
  mov    (%rcx),%edx
  and    $0x80,%edx
  je     L2
  movabs %eax,0xb2600000
  mov    $0xb2600018,%edx
  nopl   0x0(%rax,%rax,1)
L15:
  mov    (%rdx),%eax
  test   $0x80,%al
  je     L15
  ret
```

assistant: ```c
void board_putc(int ch) {
  while ((*(volatile unsigned int *)(0xB2600000 + (0x18)) & (1 << 7)) == 0)
    ;
  *(volatile unsigned int *)(0xB2600000 + (0x00)) = (ch);
  while ((*(volatile unsigned int *)(0xB2600000 + (0x18)) & (1 << 7)) == 0)
    ;
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<os_closesocket>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %edi,-0x14(%rbp)
  mov    -0x14(%rbp),%eax
  mov    %eax,%edi
  call   <close@plt>
  mov    %eax,-0x4(%rbp)
  cmpl   $0xffffffff,-0x4(%rbp)
  jne    L8
  mov    D9(%rip),%rax
  mov    (%rax),%eax
  neg    %eax
  mov    %eax,-0x4(%rbp)
L8:
  mov    -0x4(%rbp),%eax
  leave
  ret
```

assistant: ```c
int os_closesocket(int socketdesc) {
  int retval;
  retval = close(socketdesc);
  if (retval == -1)
    retval = -errno;
  return retval;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<os_closesocket>:
  endbr64
  sub    $0x8,%rsp
  call   <close@plt>
  cmp    $0xffffffff,%eax
  je     L18
L17:
  add    $0x8,%rsp
  ret
L18:
  mov    D1(%rip),%rax
  mov    (%rax),%eax
  neg    %eax
  jmp    L17
```

assistant: ```c
int os_closesocket(int socketdesc) {
  int retval;
  retval = close(socketdesc);
  if (retval == -1)
    retval = -errno;
  return retval;
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<os_closesocket>:
  endbr64
  sub    $0x8,%rsp
  call   <close@plt>
  cmp    $0xffffffff,%eax
  jne    L2
  mov    D9(%rip),%rax
  mov    (%rax),%eax
  neg    %eax
L2:
  add    $0x8,%rsp
  ret
```

assistant: ```c
int os_closesocket(int socketdesc) {
  int retval;
  retval = close(socketdesc);
  if (retval == -1)
    retval = -errno;
  return retval;
}
```
user: Translate the below assembly code into C programming language:

```asm
<os_closesocket>:
  endbr64
  sub    $0x8,%rsp
  call   <close@plt>
  cmp    $0xffffffff,%eax
  jne    L9
  mov    D8(%rip),%rax
  mov    (%rax),%eax
  neg    %eax
L9:
  add    $0x8,%rsp
  ret
```

assistant: ```c
int os_closesocket(int socketdesc) {
  int retval;
  retval = close(socketdesc);
  if (retval == -1)
    retval = -errno;
  return retval;
}
```
user: 这段汇编代码用C语言表示是什么样的:

```asm
<usage>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  lea    D0(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  lea    D3(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  lea    D14(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  nop
  pop    %rbp
  ret
```

tool_calls: name: parse_data
arguments: data_tag: D0
type_guessed: string
name: parse_data
arguments: data_tag: D3
type_guessed: string
name: parse_data
arguments: data_tag: D14
type_guessed: string

tool: D0: USAGE:


tool: D3: pkp c [username] [ip]


tool: D14: pkp s [username] 


assistant: ```c
void usage() {
  printf("USAGE:\n");
  printf("pkp c [username] [ip]\n");
  printf("pkp s [username] \n");
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<usage>:
  endbr64
  sub    $0x8,%rsp
  lea    D4(%rip),%rdi
  call   <printf@plt>
  lea    D14(%rip),%rdi
  call   <printf@plt>
  lea    D27(%rip),%rdi
  call   <printf@plt>
  add    $0x8,%rsp
  ret
```

tool_calls: name: disassemble_data
arguments: data_tag: D4
type: string
name: disassemble_data
arguments: data_tag: D14
type: string
name: disassemble_data
arguments: data_tag: D27
type: string

tool: D4: USAGE:


tool: D14: pkp c [username] [ip]


tool: D27: pkp s [username] 


assistant: ```c
void usage() {
  printf("USAGE:\n");
  printf("pkp c [username] [ip]\n");
  printf("pkp s [username] \n");
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<usage>:
  endbr64
  sub    $0x8,%rsp
  lea    D9(%rip),%rdi
  call   <printf@plt>
  lea    D7(%rip),%rdi
  call   <printf@plt>
  lea    D0(%rip),%rdi
  add    $0x8,%rsp
  jmp    1050 <printf@plt>
```

tool_calls: name: retrieve_data
arguments: data_label: D9
datatype: string
name: retrieve_data
arguments: data_label: D7
datatype: string
name: retrieve_data
arguments: data_label: D0
datatype: string

tool: D9: USAGE:


tool: D7: pkp c [username] [ip]


tool: D0: pkp s [username] 


assistant: ```c
void usage() {
  printf("USAGE:\n");
  printf("pkp c [username] [ip]\n");
  printf("pkp s [username] \n");
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<usage>:
  endbr64
  sub    $0x8,%rsp
  lea    D19(%rip),%rdi
  call   <printf@plt>
  lea    D14(%rip),%rdi
  call   <printf@plt>
  lea    D3(%rip),%rdi
  add    $0x8,%rsp
  jmp    1050 <printf@plt>
```

tool_calls: name: read_data
arguments: data_label: D19
type: string
name: read_data
arguments: data_label: D14
type: string
name: read_data
arguments: data_label: D3
type: string

tool: D19: USAGE:


tool: D14: pkp c [username] [ip]


tool: D3: pkp s [username] 


assistant: ```c
void usage() {
  printf("USAGE:\n");
  printf("pkp c [username] [ip]\n");
  printf("pkp s [username] \n");
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<remquol>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x28(%rbp)
  fldt   0x10(%rbp)
  fldt   0x20(%rbp)
  fdivrp %st,%st(1)
  fstpt  -0x10(%rbp)
  push   -0x8(%rbp)
  push   -0x10(%rbp)
  call   <truncl@plt>
  add    $0x10,%rsp
  fstpt  -0x20(%rbp)
  fldt   -0x20(%rbp)
  fldt   -0x10(%rbp)
  fsubrp %st,%st(1)
  fabs
  fldt   0xe6a(%rip)        # 2000 <_fini+0xe2c>
  fxch   %st(1)
  fcomip %st(1),%st
  fstp   %st(0)
  jb     L5
  fldt   -0x20(%rbp)
  fld1
  faddp  %st,%st(1)
  fstpt  -0x20(%rbp)
L5:
  push   -0x8(%rbp)
  push   -0x10(%rbp)
  call   <roundl@plt>
  add    $0x10,%rsp
  mov    %eax,%edi
  call   <__irmodl@plt>
  mov    -0x28(%rbp),%rdx
  mov    %eax,(%rdx)
  fldt   -0x20(%rbp)
  fldt   0x20(%rbp)
  fmulp  %st,%st(1)
  fldt   0x10(%rbp)
  fsubp  %st,%st(1)
  leave
  ret
```

assistant: ```c
long double remquol(long double x, long double y, int *quo) {
  long double q = x / y;
  long double n = truncl(q);
  if (fabsl(n - q) >= 0.5L)
    ++n;
  *quo = __irmodl(roundl(q));
  return x - n * y;
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<remquol>:
  endbr64
  push   %rbx
  sub    $0x20,%rsp
  mov    %rdi,%rbx
  fldt   0x30(%rsp)
  fldt   0x40(%rsp)
  fdivrp %st,%st(1)
  fnstcw 0x1e(%rsp)
  movzwl 0x1e(%rsp),%eax
  or     $0xc,%ah
  mov    %ax,0x1c(%rsp)
  fld    %st(0)
  fldcw  0x1c(%rsp)
  frndint
  fldcw  0x1e(%rsp)
  fld    %st(0)
  fstpt  (%rsp)
  fld    %st(0)
  fsub   %st(2),%st
  fabs
  flds   0xe83(%rip)        # 2000 <_fini+0xe44>
  fxch   %st(1)
  fcomip %st(1),%st
  fstp   %st(0)
  jb     L4
  fld1
  faddp  %st,%st(1)
  fstpt  (%rsp)
  jmp    L2
L4:
  fstp   %st(0)
L2:
  lea    -0x10(%rsp),%rsp
  fstpt  (%rsp)
  call   <roundl@plt>
  mov    %eax,%edi
  call   <__irmodl@plt>
  mov    %eax,(%rbx)
  fldt   0x10(%rsp)
  fldt   0x50(%rsp)
  fmulp  %st,%st(1)
  fldt   0x40(%rsp)
  fsubp  %st,%st(1)
  add    $0x30,%rsp
  pop    %rbx
  ret
```

assistant: ```c
long double remquol(long double x, long double y, int *quo) {
  long double q = x / y;
  long double n = truncl(q);
  if (fabsl(n - q) >= 0.5L)
    ++n;
  *quo = __irmodl(roundl(q));
  return x - n * y;
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<remquol>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x20,%rsp
  fnstcw 0x1e(%rsp)
  fldt   0x30(%rsp)
  fldt   0x40(%rsp)
  movzwl 0x1e(%rsp),%eax
  or     $0xc,%ah
  fdivrp %st,%st(1)
  mov    %ax,0x1c(%rsp)
  fld    %st(0)
  fldcw  0x1c(%rsp)
  frndint
  fldcw  0x1e(%rsp)
  fld    %st(0)
  fsub   %st(2),%st
  fabs
  flds   0xe81(%rip)        # 2000 <_fini+0xe44>
  fxch   %st(1)
  fcomip %st(1),%st
  fstp   %st(0)
  jb     L4
  fld1
  faddp  %st,%st(1)
L4:
  fstpt  (%rsp)
  sub    $0x10,%rsp
  fstpt  (%rsp)
  call   <roundl@plt>
  mov    %eax,%edi
  call   <__irmodl@plt>
  fldt   0x50(%rsp)
  mov    %eax,(%rbx)
  fldt   0x10(%rsp)
  fmulp  %st,%st(1)
  fldt   0x40(%rsp)
  add    $0x30,%rsp
  pop    %rbx
  fsubp  %st,%st(1)
  ret
```

assistant: ```c
long double remquol(long double x, long double y, int *quo) {
  long double q = x / y;
  long double n = truncl(q);
  if (fabsl(n - q) >= 0.5L)
    ++n;
  *quo = __irmodl(roundl(q));
  return x - n * y;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<remquol>:
  endbr64
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x20,%rsp
  fnstcw 0x1e(%rsp)
  fldt   0x30(%rsp)
  fldt   0x40(%rsp)
  movzwl 0x1e(%rsp),%eax
  or     $0xc,%ah
  fdivrp %st,%st(1)
  mov    %ax,0x1c(%rsp)
  fld    %st(0)
  fldcw  0x1c(%rsp)
  frndint
  fldcw  0x1e(%rsp)
  fld    %st(0)
  fsub   %st(2),%st
  fabs
  flds   0xe81(%rip)        # 2000 <_fini+0xe44>
  fxch   %st(1)
  fcomip %st(1),%st
  fstp   %st(0)
  jb     L4
  fld1
  faddp  %st,%st(1)
L4:
  fstpt  (%rsp)
  sub    $0x10,%rsp
  fstpt  (%rsp)
  call   <roundl@plt>
  mov    %eax,%edi
  call   <__irmodl@plt>
  fldt   0x50(%rsp)
  mov    %eax,(%rbx)
  fldt   0x10(%rsp)
  fmulp  %st,%st(1)
  fldt   0x40(%rsp)
  add    $0x30,%rsp
  pop    %rbx
  fsubp  %st,%st(1)
  ret
```

assistant: ```c
long double remquol(long double x, long double y, int *quo) {
  long double q = x / y;
  long double n = truncl(q);
  if (fabsl(n - q) >= 0.5L)
    ++n;
  *quo = __irmodl(roundl(q));
  return x - n * y;
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<gettimeofday>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    -0x10(%rbp),%rdx
  mov    -0x8(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <bt_sys_gettimeofday@plt>
  mov    $0x0,%eax
  leave
  ret
```

assistant: ```c
int gettimeofday(struct timeval *p, struct timezone *z) {
  bt_sys_gettimeofday(p, z);
  return 0;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<gettimeofday>:
  endbr64
  sub    $0x8,%rsp
  call   <bt_sys_gettimeofday@plt>
  mov    $0x0,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int gettimeofday(struct timeval *p, struct timezone *z) {
  bt_sys_gettimeofday(p, z);
  return 0;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<gettimeofday>:
  endbr64
  sub    $0x8,%rsp
  call   <bt_sys_gettimeofday@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int gettimeofday(struct timeval *p, struct timezone *z) {
  bt_sys_gettimeofday(p, z);
  return 0;
}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<gettimeofday>:
  endbr64
  sub    $0x8,%rsp
  call   <bt_sys_gettimeofday@plt>
  xor    %eax,%eax
  add    $0x8,%rsp
  ret
```

assistant: ```c
int gettimeofday(struct timeval *p, struct timezone *z) {
  bt_sys_gettimeofday(p, z);
  return 0;
}
```
user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<udcFastReadString>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0xd(%rbp),%rcx
  mov    -0x18(%rbp),%rax
  mov    $0x1,%edx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <udcRead@plt>
  test   %eax,%eax
  jne    L0
  mov    $0x0,%eax
  jmp    L22
L0:
  movzbl -0xd(%rbp),%eax
  movzbl %al,%eax
  mov    %eax,-0xc(%rbp)
  cmpl   $0x0,-0xc(%rbp)
  jle    L13
  mov    -0xc(%rbp),%edx
  mov    -0x20(%rbp),%rcx
  mov    -0x18(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <udcMustRead@plt>
L13:
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  mov    $0x1,%eax
L22:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L8
  call   <__stack_chk_fail@plt>
L8:
  leave
  ret
```

assistant: ```c
int udcFastReadString(struct udcFile *f, char buf[256]) {
  unsigned char bLen;
  int len;
  if (!udcRead(f, &(bLen), sizeof(bLen)))
    return 0;
  if ((len = bLen) > 0)
    udcMustRead(f, buf, len);
  buf[len] = 0;
  return 1;
}
```