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
<make_ext_salt_para>:
  endbr64
  push   %rbx
  mov    %rsi,%rbx
  call   <int_to_base64@plt>
  mov    %rax,%rdx
  mov    %rbx,%rcx
  lea    D9(%rip),%rsi
  lea    D0(%rip),%rbx
  mov    %rbx,%rdi
  call   <sprintf@plt>
  mov    %rbx,%rax
  pop    %rbx
  ret
```

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

tool: D9: _%s%s

assistant: ```c
char *make_ext_salt_para(int rounds, const char *saltpara) {
  static char salt[10];
  sprintf(salt, "_%s%s", int_to_base64(rounds), saltpara);
  return salt;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<make_ext_salt_para>:
  endbr64
  push   %r12
  mov    %rsi,%r12
  call   <int_to_base64@plt>
  mov    %r12,%rcx
  lea    D7(%rip),%r12
  lea    D14(%rip),%rsi
  mov    %r12,%rdi
  mov    %rax,%rdx
  call   <sprintf@plt>
  mov    %r12,%rax
  pop    %r12
  ret
```

tool_calls: name: unpack_data
arguments: data_label: D14
datatype: string

tool: D14: _%s%s

assistant: ```c
char *make_ext_salt_para(int rounds, const char *saltpara) {
  static char salt[10];
  sprintf(salt, "_%s%s", int_to_base64(rounds), saltpara);
  return salt;
}
```
user: 请将以下的汇编代码转换成C语言代码：

```asm
<make_ext_salt_para>:
  endbr64
  push   %r12
  mov    %rsi,%r12
  call   <int_to_base64@plt>
  mov    %r12,%rcx
  lea    D0(%rip),%r12
  lea    D9(%rip),%rsi
  mov    %r12,%rdi
  mov    %rax,%rdx
  call   <sprintf@plt>
  mov    %r12,%rax
  pop    %r12
  ret
```

tool_calls: name: disassemble_data
arguments: data_tag: D9
type_infered: string

tool: D9: _%s%s

assistant: ```c
char *make_ext_salt_para(int rounds, const char *saltpara) {
  static char salt[10];
  sprintf(salt, "_%s%s", int_to_base64(rounds), saltpara);
  return salt;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<closedev>:
  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    L13
  lea    D2(%rip),%rax
  mov    %rax,%rdi
  call   <perror@plt>
  mov    $0xffffffff,%eax
  jmp    L18
L13:
  mov    $0x0,%eax
L18:
  leave
  ret
```

tool_calls: name: unpack_data
arguments: label: D2
type_guessed: string

tool: D2: close

assistant: ```c
int closedev(int fd) {
  int rval;
  rval = close(fd);
  if (rval == -1) {
    perror("close");
    return -1;
  }
  return 0;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<closedev>:
  endbr64
  push   %rbx
  call   <close@plt>
  cmp    $0xffffffff,%eax
  je     L7
  mov    $0x0,%ebx
L5:
  mov    %ebx,%eax
  pop    %rbx
  ret
L7:
  mov    %eax,%ebx
  lea    D8(%rip),%rdi
  call   <perror@plt>
  jmp    L5
```

tool_calls: name: extract_symbolic_data
arguments: tag: D8
type_infered: string

tool: D8: close

assistant: ```c
int closedev(int fd) {
  int rval;
  rval = close(fd);
  if (rval == -1) {
    perror("close");
    return -1;
  }
  return 0;
}
```
user: 这段汇编代码用C语言表示是什么样的?

```asm
<closedev>:
  endbr64
  push   %r12
  call   <close@plt>
  cmp    $0xffffffff,%eax
  je     L1
  xor    %r12d,%r12d
L0:
  mov    %r12d,%eax
  pop    %r12
  ret
L1:
  lea    D2(%rip),%rdi
  mov    %eax,%r12d
  call   <perror@plt>
  jmp    L0
```

tool_calls: name: parse_data
arguments: data_label: D2
data_type: string

tool: D2: close

assistant: ```c
int closedev(int fd) {
  int rval;
  rval = close(fd);
  if (rval == -1) {
    perror("close");
    return -1;
  }
  return 0;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<closedev>:
  endbr64
  push   %r12
  call   <close@plt>
  cmp    $0xffffffff,%eax
  je     L18
  xor    %r12d,%r12d
L14:
  mov    %r12d,%eax
  pop    %r12
  ret
L18:
  lea    D6(%rip),%rdi
  mov    %eax,%r12d
  call   <perror@plt>
  jmp    L14
```

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

tool: D6: close

assistant: ```c
int closedev(int fd) {
  int rval;
  rval = close(fd);
  if (rval == -1) {
    perror("close");
    return -1;
  }
  return 0;
}
```
user: Translate the below assembly code into C programming language:

```asm
<gspir_>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x8(%rbp)
  mov    %rsi,-0x10(%rbp)
  mov    %edx,-0x14(%rbp)
  mov    %ecx,-0x18(%rbp)
  mov    %r8,-0x20(%rbp)
  mov    %r9,-0x28(%rbp)
  nop
  pop    %rbp
  ret
```

assistant: ```c
void gspir_(scan_no, feed_no, phase_no, rec_no, record, return_code) int *scan_no, phase_no, rec_no;
int *feed_no;
float *record;
int *return_code;
{}
```
user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<gspir_>:
  endbr64
  ret
```

assistant: ```c
void gspir_(scan_no, feed_no, phase_no, rec_no, record, return_code) int *scan_no, phase_no, rec_no;
int *feed_no;
float *record;
int *return_code;
{}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<gspir_>:
  endbr64
  ret
```

assistant: ```c
void gspir_(scan_no, feed_no, phase_no, rec_no, record, return_code) int *scan_no, phase_no, rec_no;
int *feed_no;
float *record;
int *return_code;
{}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<gspir_>:
  endbr64
  ret
```

assistant: ```c
void gspir_(scan_no, feed_no, phase_no, rec_no, record, return_code) int *scan_no, phase_no, rec_no;
int *feed_no;
float *record;
int *return_code;
{}
```
user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<fill_from_top_left>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  mov    %edx,-0x20(%rbp)
  mov    %ecx,-0x24(%rbp)
  mov    %r8,-0x30(%rbp)
  mov    -0x20(%rbp),%edx
  mov    -0x1c(%rbp),%eax
  add    %edx,%eax
  mov    %eax,-0x4(%rbp)
  mov    -0x24(%rbp),%eax
  cmp    -0x4(%rbp),%eax
  jg     L65
  mov    -0x4(%rbp),%eax
  sub    -0x24(%rbp),%eax
  add    $0x1,%eax
  mov    %eax,-0x8(%rbp)
  mov    -0x24(%rbp),%eax
  sub    $0x1,%eax
  mov    %eax,-0x4(%rbp)
  jmp    L32
L65:
  movl   $0x0,-0x8(%rbp)
  jmp    L32
L66:
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  mov    -0x4(%rbp),%edx
  mov    %edx,%esi
  mov    %eax,%edi
  call   <nth_position@plt>
  cmp    $0x1,%eax
  jne    L45
  mov    -0x8(%rbp),%eax
  cmp    -0x1c(%rbp),%eax
  je     L45
  mov    -0x4(%rbp),%eax
  cmp    -0x20(%rbp),%eax
  je     L45
  mov    -0x30(%rbp),%rax
  mov    (%rax),%eax
  lea    0x1(%rax),%edx
  mov    -0x30(%rbp),%rax
  mov    %edx,(%rax)
L45:
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x18(%rbp),%rax
  lea    (%rdx,%rax,1),%rcx
  mov    -0x4(%rbp),%eax
  mov    $0x1,%edx
  mov    %eax,%esi
  mov    %rcx,%rdi
  call   <set_bit@plt>
  addl   $0x1,-0x8(%rbp)
  subl   $0x1,-0x4(%rbp)
L32:
  mov    -0x24(%rbp),%eax
  cmp    -0x8(%rbp),%eax
  jle    L70
  cmpl   $0x0,-0x4(%rbp)
  jns    L66
L70:
  nop
  leave
  ret
```

assistant: ```c
void fill_from_top_left(uint32_t arr[], int ROW, int COL, int size, int *counter) {
  int startRow, startCol = COL + ROW;
  if (startCol > size - 1) {
    startRow = startCol - size + 1;
    startCol = size - 1;
  } else {
    startRow = 0;
  }
  for (; startRow <= size - 1 && startCol >= 0; startRow++, startCol--) {
    if (nth_position(arr[startRow], startCol) == 1 && startRow != ROW && startCol != COL) {
      (*counter)++;
    }
    set_bit(&arr[startRow], startCol, 1);
  }
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<fill_from_top_left>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %esi,%r15d
  mov    %edx,0x4(%rsp)
  mov    %ecx,%r14d
  mov    %r8,0x8(%rsp)
  lea    (%rdx,%rsi,1),%ebx
  mov    $0x0,%r12d
  cmp    %ecx,%ebx
  jl     L95
  sub    %ecx,%ebx
  mov    %ebx,%r12d
  add    $0x1,%r12d
  lea    -0x1(%rcx),%ebx
L95:
  cmp    %r12d,%r14d
  jle    L70
  test   %ebx,%ebx
  js     L70
  movslq %r12d,%rax
  lea    (%rdi,%rax,4),%rbp
  jmp    L99
L64:
  mov    0x8(%rsp),%rax
  addl   $0x1,(%rax)
L98:
  mov    $0x1,%edx
  mov    %ebx,%esi
  mov    %r13,%rdi
  call   <set_bit@plt>
  add    $0x1,%r12d
  sub    $0x1,%ebx
  add    $0x4,%rbp
  cmp    %r12d,%r14d
  jle    L70
  test   %ebx,%ebx
  js     L70
L99:
  mov    %rbp,%r13
  mov    %ebx,%esi
  mov    0x0(%rbp),%edi
  call   <nth_position@plt>
  cmp    $0x1,%eax
  jne    L98
  cmp    %r12d,%r15d
  je     L98
  cmp    %ebx,0x4(%rsp)
  jne    L64
  jmp    L98
L70:
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void fill_from_top_left(uint32_t arr[], int ROW, int COL, int size, int *counter) {
  int startRow, startCol = COL + ROW;
  if (startCol > size - 1) {
    startRow = startCol - size + 1;
    startCol = size - 1;
  } else {
    startRow = 0;
  }
  for (; startRow <= size - 1 && startCol >= 0; startRow++, startCol--) {
    if (nth_position(arr[startRow], startCol) == 1 && startRow != ROW && startCol != COL) {
      (*counter)++;
    }
    set_bit(&arr[startRow], startCol, 1);
  }
}
```
user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<fill_from_top_left>:
  endbr64
  push   %r15
  mov    %rdi,%rax
  xor    %r15d,%r15d
  push   %r14
  mov    %r8,%r14
  push   %r13
  push   %r12
  mov    %esi,%r12d
  push   %rbp
  mov    %ecx,%ebp
  push   %rbx
  lea    (%rdx,%rsi,1),%ebx
  sub    $0x18,%rsp
  mov    %edx,0xc(%rsp)
  cmp    %ecx,%ebx
  jl     L56
  sub    %ecx,%ebx
  lea    0x1(%rbx),%r15d
  lea    -0x1(%rcx),%ebx
L56:
  cmp    %r15d,%ebp
  jle    L13
  test   %ebx,%ebx
  js     L13
  movslq %r15d,%rdx
  lea    (%rax,%rdx,4),%r13
  jmp    L34
  cs nopw 0x0(%rax,%rax,1)
L14:
  mov    %ebx,%esi
  mov    %r13,%rdi
  mov    $0x1,%edx
  add    $0x1,%r15d
  call   <set_bit@plt>
  sub    $0x1,%ebx
  add    $0x4,%r13
  cmp    %r15d,%ebp
  jle    L13
  test   %ebx,%ebx
  js     L13
L34:
  mov    0x0(%r13),%edi
  mov    %ebx,%esi
  call   <nth_position@plt>
  cmp    $0x1,%eax
  jne    L14
  cmp    %r15d,%r12d
  je     L14
  cmp    %ebx,0xc(%rsp)
  je     L14
  addl   $0x1,(%r14)
  jmp    L14
  nopl   0x0(%rax)
L13:
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void fill_from_top_left(uint32_t arr[], int ROW, int COL, int size, int *counter) {
  int startRow, startCol = COL + ROW;
  if (startCol > size - 1) {
    startRow = startCol - size + 1;
    startCol = size - 1;
  } else {
    startRow = 0;
  }
  for (; startRow <= size - 1 && startCol >= 0; startRow++, startCol--) {
    if (nth_position(arr[startRow], startCol) == 1 && startRow != ROW && startCol != COL) {
      (*counter)++;
    }
    set_bit(&arr[startRow], startCol, 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
<fill_from_top_left>:
  endbr64
  push   %r15
  mov    %rdi,%rax
  xor    %r15d,%r15d
  push   %r14
  mov    %r8,%r14
  push   %r13
  push   %r12
  mov    %esi,%r12d
  push   %rbp
  mov    %ecx,%ebp
  push   %rbx
  lea    (%rdx,%rsi,1),%ebx
  sub    $0x18,%rsp
  mov    %edx,0xc(%rsp)
  cmp    %ecx,%ebx
  jl     L12
  sub    %ecx,%ebx
  lea    0x1(%rbx),%r15d
  lea    -0x1(%rcx),%ebx
L12:
  cmp    %r15d,%ebp
  jle    L9
  test   %ebx,%ebx
  js     L9
  movslq %r15d,%rdx
  lea    (%rax,%rdx,4),%r13
  jmp    L70
  cs nopw 0x0(%rax,%rax,1)
L25:
  mov    %ebx,%esi
  mov    %r13,%rdi
  mov    $0x1,%edx
  add    $0x1,%r15d
  call   <set_bit@plt>
  sub    $0x1,%ebx
  add    $0x4,%r13
  cmp    %r15d,%ebp
  jle    L9
  test   %ebx,%ebx
  js     L9
L70:
  mov    0x0(%r13),%edi
  mov    %ebx,%esi
  call   <nth_position@plt>
  cmp    $0x1,%eax
  jne    L25
  cmp    %r15d,%r12d
  je     L25
  cmp    %ebx,0xc(%rsp)
  je     L25
  addl   $0x1,(%r14)
  jmp    L25
  nopl   0x0(%rax)
L9:
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
void fill_from_top_left(uint32_t arr[], int ROW, int COL, int size, int *counter) {
  int startRow, startCol = COL + ROW;
  if (startCol > size - 1) {
    startRow = startCol - size + 1;
    startCol = size - 1;
  } else {
    startRow = 0;
  }
  for (; startRow <= size - 1 && startCol >= 0; startRow++, startCol--) {
    if (nth_position(arr[startRow], startCol) == 1 && startRow != ROW && startCol != COL) {
      (*counter)++;
    }
    set_bit(&arr[startRow], startCol, 1);
  }
}
```
user: 下面的汇编指令对应的C源代码是什么：

```asm
<optk_set_extname>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x60,%rsp
  mov    %rdi,-0x38(%rbp)
  mov    %rsi,-0x40(%rbp)
  mov    %rdx,-0x48(%rbp)
  mov    %ecx,-0x4c(%rbp)
  mov    %r8,-0x58(%rbp)
  cmpq   $0x0,-0x48(%rbp)
  je     L33
  mov    -0x4c(%rbp),%edx
  mov    -0x48(%rbp),%rax
  mov    $0x0,%ecx
  mov    $0x1,%esi
  mov    %rax,%rdi
  call   <optk_get_extname@plt>
  mov    %rax,-0x10(%rbp)
  mov    -0x10(%rbp),%rax
  cmp    -0x48(%rbp),%rax
  jb     L78
  mov    -0x10(%rbp),%rax
  sub    -0x48(%rbp),%rax
  jmp    L2
L78:
  mov    $0x0,%eax
L2:
  mov    %rax,-0x20(%rbp)
  jmp    L34
L33:
  lea    D5(%rip),%rax
  mov    %rax,-0x48(%rbp)
  movq   $0x0,-0x20(%rbp)
L34:
  movl   $0x0,-0x2c(%rbp)
  cmpq   $0x0,-0x58(%rbp)
  je     L30
  mov    -0x58(%rbp),%rax
  mov    %rax,-0x28(%rbp)
  mov    -0x28(%rbp),%rax
  mov    %rax,%rdi
  call   <strlen@plt>
  mov    %rax,-0x18(%rbp)
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2e,%al
  je     L99
  movl   $0x1,-0x2c(%rbp)
  jmp    L99
L30:
  lea    D5(%rip),%rax
  mov    %rax,-0x28(%rbp)
  movq   $0x0,-0x18(%rbp)
L99:
  mov    -0x2c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x20(%rbp),%rax
  add    %rax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x8(%rbp)
  cmpq   $0x0,-0x38(%rbp)
  je     L77
  mov    -0x40(%rbp),%rax
  cmp    -0x8(%rbp),%rax
  jbe    L77
  mov    -0x20(%rbp),%rdx
  mov    -0x48(%rbp),%rcx
  mov    -0x38(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <memcpy@plt>
  cmpl   $0x0,-0x2c(%rbp)
  je     L42
  mov    -0x20(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x20(%rbp)
  mov    -0x38(%rbp),%rdx
  add    %rdx,%rax
  movb   $0x2e,(%rax)
L42:
  mov    -0x38(%rbp),%rdx
  mov    -0x20(%rbp),%rax
  add    %rax,%rdx
  mov    -0x28(%rbp),%rax
  mov    %rax,%rsi
  mov    %rdx,%rdi
  call   <strcpy@plt>
L77:
  mov    -0x8(%rbp),%rax
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: label: D5
type: string

tool: 

assistant: ```c
size_t optk_set_extname(char *buffer, size_t bufsize, const char *path, int num_ext, const char *new_extname) {
  const char *old_extname, *extname;
  size_t extname_pos, new_extlen, outlen;
  int prepend_dot;
  if (path != NULL) {
    old_extname = optk_get_extname(path, 1, num_ext, NULL);
    extname_pos = (old_extname >= path) ? (old_extname - path) : 0;
  } else {
    path = "";
    extname_pos = 0;
  }
  prepend_dot = 0;
  if (new_extname != NULL) {
    extname = new_extname;
    new_extlen = strlen(extname);
    if (extname[0] != '.')
      prepend_dot = 1;
  } else {
    extname = "";
    new_extlen = 0;
  }
  outlen = extname_pos + prepend_dot + new_extlen;
  if (buffer != NULL && bufsize > outlen) {
    memcpy(buffer, path, extname_pos);
    if (prepend_dot)
      buffer[extname_pos++] = '.';
    strcpy(buffer + extname_pos, extname);
  }
  return outlen;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<optk_set_extname>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %rdi,%r14
  mov    %rsi,0x8(%rsp)
  mov    %rdx,%rbx
  mov    %r8,%rbp
  test   %rdx,%rdx
  je     L6
  mov    %ecx,%edx
  mov    $0x0,%ecx
  mov    $0x1,%esi
  mov    %rbx,%rdi
  call   <optk_get_extname@plt>
  mov    %rax,%r13
  sub    %rbx,%r13
  cmp    %rax,%rbx
  mov    $0x0,%eax
  cmova  %rax,%r13
L7:
  test   %rbp,%rbp
  je     L67
  mov    %rbp,%rdi
  call   <strlen@plt>
  movzbl 0x0(%rbp),%r15d
  cmp    $0x2e,%r15b
  setne  %r12b
  movzbl %r12b,%r12d
  add    %r13,%r12
  add    %rax,%r12
  test   %r14,%r14
  je     L15
  cmp    0x8(%rsp),%r12
  jae    L15
  mov    %r13,%rdx
  mov    %rbx,%rsi
  mov    %r14,%rdi
  call   <memcpy@plt>
  cmp    $0x2e,%r15b
  je     L20
  movb   $0x2e,(%r14,%r13,1)
  lea    0x1(%r13),%r13
L20:
  lea    (%r14,%r13,1),%rdi
  mov    %rbp,%rsi
  call   <strcpy@plt>
L15:
  mov    %r12,%rax
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L6:
  mov    $0x0,%r13d
  lea    D9(%rip),%rbx
  jmp    L7
L75:
  mov    %r13,%rdx
  mov    %rbx,%rsi
  mov    %r14,%rdi
  call   <memcpy@plt>
  mov    %r13,%r12
  lea    D9(%rip),%rbp
  jmp    L20
L67:
  test   %r14,%r14
  je     L56
  cmp    0x8(%rsp),%r13
  jb     L75
L56:
  mov    %r13,%r12
  jmp    L15
```

tool_calls: name: disassemble_data
arguments: data_tag: D9
type_guessed: string

tool: 

assistant: ```c
size_t optk_set_extname(char *buffer, size_t bufsize, const char *path, int num_ext, const char *new_extname) {
  const char *old_extname, *extname;
  size_t extname_pos, new_extlen, outlen;
  int prepend_dot;
  if (path != NULL) {
    old_extname = optk_get_extname(path, 1, num_ext, NULL);
    extname_pos = (old_extname >= path) ? (old_extname - path) : 0;
  } else {
    path = "";
    extname_pos = 0;
  }
  prepend_dot = 0;
  if (new_extname != NULL) {
    extname = new_extname;
    new_extlen = strlen(extname);
    if (extname[0] != '.')
      prepend_dot = 1;
  } else {
    extname = "";
    new_extlen = 0;
  }
  outlen = extname_pos + prepend_dot + new_extlen;
  if (buffer != NULL && bufsize > outlen) {
    memcpy(buffer, path, extname_pos);
    if (prepend_dot)
      buffer[extname_pos++] = '.';
    strcpy(buffer + extname_pos, extname);
  }
  return outlen;
}
```
user: Translate the below assembly code into C programming language:

```asm
<optk_set_extname>:
  endbr64
  push   %r15
  push   %r14
  mov    %rsi,%r14
  push   %r13
  push   %r12
  mov    %r8,%r12
  push   %rbp
  mov    %rdx,%rbp
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x18,%rsp
  test   %rdx,%rdx
  je     L19
  mov    %ecx,%edx
  mov    $0x1,%esi
  xor    %ecx,%ecx
  mov    %rbp,%rdi
  call   <optk_get_extname@plt>
  mov    %rax,%r15
  sub    %rbp,%r15
  cmp    %rax,%rbp
  mov    $0x0,%eax
  cmova  %rax,%r15
L45:
  test   %rbx,%rbx
  setne  %dl
  test   %r12,%r12
  je     L37
  mov    %r12,%rdi
  mov    %dl,0x8(%rsp)
  call   <strlen@plt>
  cmpb   $0x2e,(%r12)
  movzbl 0x8(%rsp),%edx
  lea    (%r15,%rax,1),%r13
  je     L73
  lea    0x1(%r15),%rcx
  lea    (%rax,%rcx,1),%r13
  cmp    %r13,%r14
  jbe    L62
  test   %dl,%dl
  je     L62
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  mov    %r15,%rdx
  mov    %rcx,0x8(%rsp)
  call   <memcpy@plt>
  mov    0x8(%rsp),%rcx
  movb   $0x2e,(%rbx,%r15,1)
  mov    %r12,%rsi
  lea    (%rbx,%rcx,1),%rdi
  call   <strcpy@plt>
L62:
  add    $0x18,%rsp
  mov    %r13,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   (%rax)
L37:
  mov    %r15,%r13
  lea    D11(%rip),%r12
L73:
  cmp    %r13,%r14
  jbe    L62
  test   %dl,%dl
  je     L62
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  mov    %r15,%rdx
  call   <memcpy@plt>
  mov    %r15,%rcx
  mov    %r12,%rsi
  lea    (%rbx,%rcx,1),%rdi
  call   <strcpy@plt>
  jmp    L62
  nopw   0x0(%rax,%rax,1)
L19:
  xor    %r15d,%r15d
  lea    D11(%rip),%rbp
  jmp    L45
```

tool_calls: name: read_data
arguments: data_tag: D11
type_guessed: string

tool: 

assistant: ```c
size_t optk_set_extname(char *buffer, size_t bufsize, const char *path, int num_ext, const char *new_extname) {
  const char *old_extname, *extname;
  size_t extname_pos, new_extlen, outlen;
  int prepend_dot;
  if (path != NULL) {
    old_extname = optk_get_extname(path, 1, num_ext, NULL);
    extname_pos = (old_extname >= path) ? (old_extname - path) : 0;
  } else {
    path = "";
    extname_pos = 0;
  }
  prepend_dot = 0;
  if (new_extname != NULL) {
    extname = new_extname;
    new_extlen = strlen(extname);
    if (extname[0] != '.')
      prepend_dot = 1;
  } else {
    extname = "";
    new_extlen = 0;
  }
  outlen = extname_pos + prepend_dot + new_extlen;
  if (buffer != NULL && bufsize > outlen) {
    memcpy(buffer, path, extname_pos);
    if (prepend_dot)
      buffer[extname_pos++] = '.';
    strcpy(buffer + extname_pos, extname);
  }
  return outlen;
}
```
user: Please show me the C implementation that matches the assembly code listed below:

```asm
<optk_set_extname>:
  endbr64
  push   %r15
  push   %r14
  mov    %rsi,%r14
  push   %r13
  push   %r12
  mov    %r8,%r12
  push   %rbp
  mov    %rdx,%rbp
  push   %rbx
  mov    %rdi,%rbx
  sub    $0x18,%rsp
  test   %rdx,%rdx
  je     L26
  mov    %ecx,%edx
  mov    $0x1,%esi
  xor    %ecx,%ecx
  mov    %rbp,%rdi
  call   <optk_get_extname@plt>
  mov    %rax,%r15
  sub    %rbp,%r15
  cmp    %rax,%rbp
  mov    $0x0,%eax
  cmova  %rax,%r15
L13:
  test   %rbx,%rbx
  setne  %dl
  test   %r12,%r12
  je     L22
  mov    %r12,%rdi
  mov    %dl,0x8(%rsp)
  call   <strlen@plt>
  cmpb   $0x2e,(%r12)
  movzbl 0x8(%rsp),%edx
  lea    (%r15,%rax,1),%r13
  je     L17
  lea    0x1(%r15),%rcx
  lea    (%rax,%rcx,1),%r13
  cmp    %r13,%r14
  jbe    L60
  test   %dl,%dl
  je     L60
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  mov    %r15,%rdx
  mov    %rcx,0x8(%rsp)
  call   <memcpy@plt>
  mov    0x8(%rsp),%rcx
  movb   $0x2e,(%rbx,%r15,1)
  mov    %r12,%rsi
  lea    (%rbx,%rcx,1),%rdi
  call   <strcpy@plt>
L60:
  add    $0x18,%rsp
  mov    %r13,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   (%rax)
L22:
  mov    %r15,%r13
  lea    D17(%rip),%r12
L17:
  cmp    %r14,%r13
  jae    L60
  test   %dl,%dl
  je     L60
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  mov    %r15,%rdx
  call   <memcpy@plt>
  mov    %r15,%rcx
  mov    %r12,%rsi
  lea    (%rbx,%rcx,1),%rdi
  call   <strcpy@plt>
  jmp    L60
  nopw   0x0(%rax,%rax,1)
L26:
  xor    %r15d,%r15d
  lea    D17(%rip),%rbp
  jmp    L13
```

tool_calls: name: parse_data
arguments: tag: D17
datatype: string

tool: 

assistant: ```c
size_t optk_set_extname(char *buffer, size_t bufsize, const char *path, int num_ext, const char *new_extname) {
  const char *old_extname, *extname;
  size_t extname_pos, new_extlen, outlen;
  int prepend_dot;
  if (path != NULL) {
    old_extname = optk_get_extname(path, 1, num_ext, NULL);
    extname_pos = (old_extname >= path) ? (old_extname - path) : 0;
  } else {
    path = "";
    extname_pos = 0;
  }
  prepend_dot = 0;
  if (new_extname != NULL) {
    extname = new_extname;
    new_extlen = strlen(extname);
    if (extname[0] != '.')
      prepend_dot = 1;
  } else {
    extname = "";
    new_extlen = 0;
  }
  outlen = extname_pos + prepend_dot + new_extlen;
  if (buffer != NULL && bufsize > outlen) {
    memcpy(buffer, path, extname_pos);
    if (prepend_dot)
      buffer[extname_pos++] = '.';
    strcpy(buffer + extname_pos, extname);
  }
  return outlen;
}
```