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
<str_to_num>:
  endbr64
  movzbl (%rdi),%eax
  cmp    $0x2d,%al
  je     L154
  mov    $0x1,%esi
  cmp    $0x2b,%al
  je     L188
L12:
  movzbl (%rdi),%eax
  lea    -0x30(%rax),%ecx
  mov    $0x0,%edx
  cmp    $0x9,%cl
  ja     L135
L123:
  lea    (%rdx,%rdx,4),%rdx
  movsbl %al,%eax
  sub    $0x30,%eax
  cltq
  lea    (%rax,%rdx,2),%rdx
  add    $0x1,%rdi
  movzbl (%rdi),%eax
  lea    -0x30(%rax),%ecx
  cmp    $0x9,%cl
  jbe    L123
L135:
  cmp    $0x2e,%al
  je     L60
  pxor   %xmm0,%xmm0
  cmpb   $0x0,(%rdi)
  jne    L50
  test   %rdx,%rdx
  js     L186
  pxor   %xmm1,%xmm1
  cvtsi2sd %rdx,%xmm1
  jmp    L212
L154:
  add    $0x1,%rdi
  mov    $0xffffffff,%esi
  jmp    L12
L188:
  add    $0x1,%rdi
  jmp    L12
L60:
  lea    0x1(%rdi),%r8
  movzbl 0x1(%rdi),%ecx
  lea    -0x30(%rcx),%eax
  cmp    $0x9,%al
  ja     L152
  mov    $0xa,%edi
  mov    $0x0,%eax
L84:
  lea    (%rdi,%rdi,4),%rdi
  add    %rdi,%rdi
  lea    (%rax,%rax,4),%rax
  movsbl %cl,%ecx
  sub    $0x30,%ecx
  movslq %ecx,%rcx
  lea    (%rcx,%rax,2),%rax
  add    $0x1,%r8
  movzbl (%r8),%ecx
  lea    -0x30(%rcx),%r9d
  cmp    $0x9,%r9b
  jbe    L84
  test   %cl,%cl
  jne    L129
  test   %rdx,%rdx
  js     L227
  pxor   %xmm1,%xmm1
  cvtsi2sd %rdx,%xmm1
L107:
  test   %rdi,%rdi
  je     L212
L160:
  mov    $0x0,%edx
  div    %rdi
  test   %rax,%rax
  js     L93
  pxor   %xmm0,%xmm0
  cvtsi2sd %rax,%xmm0
L198:
  addsd  %xmm0,%xmm1
L212:
  movsbl %sil,%esi
  pxor   %xmm0,%xmm0
  cvtsi2sd %esi,%xmm0
  mulsd  %xmm1,%xmm0
  ret
L227:
  mov    %rdx,%rcx
  shr    %rcx
  and    $0x1,%edx
  or     %rdx,%rcx
  pxor   %xmm1,%xmm1
  cvtsi2sd %rcx,%xmm1
  addsd  %xmm1,%xmm1
  jmp    L107
L93:
  mov    %rax,%rdx
  shr    %rdx
  and    $0x1,%eax
  or     %rax,%rdx
  pxor   %xmm0,%xmm0
  cvtsi2sd %rdx,%xmm0
  addsd  %xmm0,%xmm0
  jmp    L198
L129:
  pxor   %xmm0,%xmm0
  ret
L136:
  pxor   %xmm0,%xmm0
  ret
L186:
  mov    %rdx,%rax
  shr    %rax
  and    $0x1,%edx
  or     %rdx,%rax
  pxor   %xmm1,%xmm1
  cvtsi2sd %rax,%xmm1
  addsd  %xmm1,%xmm1
  jmp    L212
L79:
  mov    %rdx,%rax
  shr    %rax
  and    $0x1,%edx
  or     %rdx,%rax
  pxor   %xmm1,%xmm1
  cvtsi2sd %rax,%xmm1
  addsd  %xmm1,%xmm1
  jmp    L67
L152:
  test   %cl,%cl
  jne    L136
  test   %rdx,%rdx
  js     L79
  pxor   %xmm1,%xmm1
  cvtsi2sd %rdx,%xmm1
L67:
  mov    $0xa,%edi
  mov    $0x0,%eax
  jmp    L160
L50:
  ret
```

assistant: ```c
double str_to_num(char *s) {
  double res;
  signed char sign = 1;
  unsigned long int_part = 0;
  unsigned long frc_part = 0;
  unsigned long frc_exp = 0;
  if (*s == '-') {
    sign = -1;
    s++;
  } else if (*s == '+')
    s++;
  for (; *s >= '0' && *s <= '9'; s++)
    int_part = int_part * 10 + (*s - '0');
  if (*s == '.') {
    s++;
    frc_exp = 10;
    for (; *s >= '0' && *s <= '9'; s++) {
      frc_exp *= 10;
      frc_part = frc_part * 10 + (*s - '0');
    }
  }
  if (*s != '\0')
    return 0;
  res = int_part;
  if (frc_exp > 0)
    res += frc_part / frc_exp;
  res *= sign;
  return res;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<str_to_num>:
  endbr64
  movzbl (%rdi),%eax
  cmp    $0x2d,%al
  je     L30
  mov    $0x1,%r8d
  cmp    $0x2b,%al
  je     L52
L194:
  lea    -0x30(%rax),%ecx
  xor    %edx,%edx
  cmp    $0x9,%cl
  ja     L74
  nopl   0x0(%rax,%rax,1)
L221:
  sub    $0x30,%eax
  lea    (%rdx,%rdx,4),%rdx
  add    $0x1,%rdi
  movsbq %al,%rax
  lea    (%rax,%rdx,2),%rdx
  movzbl (%rdi),%eax
  lea    -0x30(%rax),%ecx
  cmp    $0x9,%cl
  jbe    L221
L74:
  cmp    $0x2e,%al
  je     L17
  cmpb   $0x0,(%rdi)
  pxor   %xmm0,%xmm0
  jne    L197
  test   %rdx,%rdx
  js     L156
  pxor   %xmm1,%xmm1
  cvtsi2sd %rdx,%xmm1
L90:
  pxor   %xmm0,%xmm0
  cvtsi2sd %r8d,%xmm0
  mulsd  %xmm1,%xmm0
L197:
  ret
  nopl   0x0(%rax,%rax,1)
L52:
  movzbl 0x1(%rdi),%eax
  add    $0x1,%rdi
  jmp    L194
  nopw   0x0(%rax,%rax,1)
L17:
  movzbl 0x1(%rdi),%ecx
  lea    0x1(%rdi),%r9
  lea    -0x30(%rcx),%eax
  cmp    $0x9,%al
  ja     L187
  mov    $0xa,%edi
  xor    %eax,%eax
  nopw   0x0(%rax,%rax,1)
L68:
  sub    $0x30,%ecx
  lea    (%rax,%rax,4),%rax
  lea    (%rdi,%rdi,4),%rsi
  add    $0x1,%r9
  movsbq %cl,%rcx
  add    %rsi,%rsi
  lea    (%rcx,%rax,2),%rax
  movzbl (%r9),%ecx
  mov    %rsi,%rdi
  lea    -0x30(%rcx),%r10d
  cmp    $0x9,%r10b
  jbe    L68
  pxor   %xmm0,%xmm0
  test   %cl,%cl
  jne    L197
  test   %rdx,%rdx
  js     L226
  pxor   %xmm1,%xmm1
  cvtsi2sd %rdx,%xmm1
L192:
  test   %rsi,%rsi
  je     L90
  xor    %edx,%edx
  div    %rsi
  test   %rax,%rax
  js     L138
  pxor   %xmm0,%xmm0
  cvtsi2sd %rax,%xmm0
L47:
  addsd  %xmm0,%xmm1
  jmp    L90
  xchg   %ax,%ax
L30:
  movzbl 0x1(%rdi),%eax
  mov    $0xffffffff,%r8d
  add    $0x1,%rdi
  jmp    L194
  nopl   0x0(%rax,%rax,1)
L156:
  mov    %rdx,%rax
  and    $0x1,%edx
  pxor   %xmm1,%xmm1
  shr    %rax
  or     %rdx,%rax
  cvtsi2sd %rax,%xmm1
  addsd  %xmm1,%xmm1
  jmp    L90
L226:
  mov    %rdx,%rcx
  and    $0x1,%edx
  pxor   %xmm1,%xmm1
  shr    %rcx
  or     %rdx,%rcx
  cvtsi2sd %rcx,%xmm1
  addsd  %xmm1,%xmm1
  jmp    L192
L138:
  mov    %rax,%rdx
  and    $0x1,%eax
  pxor   %xmm0,%xmm0
  shr    %rdx
  or     %rax,%rdx
  cvtsi2sd %rdx,%xmm0
  addsd  %xmm0,%xmm0
  jmp    L47
L187:
  pxor   %xmm0,%xmm0
  test   %cl,%cl
  jne    L197
  test   %rdx,%rdx
  js     L183
  pxor   %xmm1,%xmm1
  cvtsi2sd %rdx,%xmm1
L131:
  pxor   %xmm0,%xmm0
  jmp    L47
L183:
  mov    %rdx,%rax
  and    $0x1,%edx
  pxor   %xmm1,%xmm1
  shr    %rax
  or     %rdx,%rax
  cvtsi2sd %rax,%xmm1
  addsd  %xmm1,%xmm1
  jmp    L131
```

assistant: ```c
double str_to_num(char *s) {
  double res;
  signed char sign = 1;
  unsigned long int_part = 0;
  unsigned long frc_part = 0;
  unsigned long frc_exp = 0;
  if (*s == '-') {
    sign = -1;
    s++;
  } else if (*s == '+')
    s++;
  for (; *s >= '0' && *s <= '9'; s++)
    int_part = int_part * 10 + (*s - '0');
  if (*s == '.') {
    s++;
    frc_exp = 10;
    for (; *s >= '0' && *s <= '9'; s++) {
      frc_exp *= 10;
      frc_part = frc_part * 10 + (*s - '0');
    }
  }
  if (*s != '\0')
    return 0;
  res = int_part;
  if (frc_exp > 0)
    res += frc_part / frc_exp;
  res *= sign;
  return res;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<print_usage>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  lea    D2(%rip),%rax
  mov    %rax,%rdi
  call   <printf@plt>
  nop
  pop    %rbp
  ret
```

tool_calls: name: retrieve_data
arguments: label: D2
type_infered: string

tool: D2: ubx - Utility to control GPS on USRP Brimstone

Options:
        -d (serial device, e.g. /dev/ttyPS1
        -a (antenna supply, either 'on' or 'off')
        -p (pps output, either 'on' or 'off')
        -t (time reference either 'utc', 'gps', 'local')
        -h (print this help message)

Example:
$ ubx -d /dev/ttyPS1 -p on -a on -t utc


assistant: ```c
void print_usage(void) {
  printf("ubx - Utility to control GPS on USRP Brimstone\n\n"
         "Options:\n"
         "        -d (serial device, e.g. /dev/ttyPS1\n"
         "        -a (antenna supply, either 'on' or 'off')\n"
         "        -p (pps output, either 'on' or 'off')\n"
         "        -t (time reference either 'utc', 'gps', 'local')\n"
         "        -h (print this help message)\n\n"
         "Example:\n"
         "$ ubx -d /dev/ttyPS1 -p on -a on -t utc\n");
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<print_usage>:
  endbr64
  sub    $0x8,%rsp
  lea    D0(%rip),%rdi
  call   <printf@plt>
  add    $0x8,%rsp
  ret
```

tool_calls: name: parse_data
arguments: tag: D0
type_guessed: string

tool: D0: ubx - Utility to control GPS on USRP Brimstone

Options:
        -d (serial device, e.g. /dev/ttyPS1
        -a (antenna supply, either 'on' or 'off')
        -p (pps output, either 'on' or 'off')
        -t (time reference either 'utc', 'gps', 'local')
        -h (print this help message)

Example:
$ ubx -d /dev/ttyPS1 -p on -a on -t utc


assistant: ```c
void print_usage(void) {
  printf("ubx - Utility to control GPS on USRP Brimstone\n\n"
         "Options:\n"
         "        -d (serial device, e.g. /dev/ttyPS1\n"
         "        -a (antenna supply, either 'on' or 'off')\n"
         "        -p (pps output, either 'on' or 'off')\n"
         "        -t (time reference either 'utc', 'gps', 'local')\n"
         "        -h (print this help message)\n\n"
         "Example:\n"
         "$ ubx -d /dev/ttyPS1 -p on -a on -t utc\n");
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<print_usage>:
  endbr64
  lea    D4(%rip),%rdi
  jmp    1050 <printf@plt>
```

tool_calls: name: disassemble_data
arguments: data_label: D4
data_type: string

tool: D4: ubx - Utility to control GPS on USRP Brimstone

Options:
        -d (serial device, e.g. /dev/ttyPS1
        -a (antenna supply, either 'on' or 'off')
        -p (pps output, either 'on' or 'off')
        -t (time reference either 'utc', 'gps', 'local')
        -h (print this help message)

Example:
$ ubx -d /dev/ttyPS1 -p on -a on -t utc


assistant: ```c
void print_usage(void) {
  printf("ubx - Utility to control GPS on USRP Brimstone\n\n"
         "Options:\n"
         "        -d (serial device, e.g. /dev/ttyPS1\n"
         "        -a (antenna supply, either 'on' or 'off')\n"
         "        -p (pps output, either 'on' or 'off')\n"
         "        -t (time reference either 'utc', 'gps', 'local')\n"
         "        -h (print this help message)\n\n"
         "Example:\n"
         "$ ubx -d /dev/ttyPS1 -p on -a on -t utc\n");
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<print_usage>:
  endbr64
  lea    D5(%rip),%rdi
  jmp    1050 <printf@plt>
```

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

tool: D5: ubx - Utility to control GPS on USRP Brimstone

Options:
        -d (serial device, e.g. /dev/ttyPS1
        -a (antenna supply, either 'on' or 'off')
        -p (pps output, either 'on' or 'off')
        -t (time reference either 'utc', 'gps', 'local')
        -h (print this help message)

Example:
$ ubx -d /dev/ttyPS1 -p on -a on -t utc


assistant: ```c
void print_usage(void) {
  printf("ubx - Utility to control GPS on USRP Brimstone\n\n"
         "Options:\n"
         "        -d (serial device, e.g. /dev/ttyPS1\n"
         "        -a (antenna supply, either 'on' or 'off')\n"
         "        -p (pps output, either 'on' or 'off')\n"
         "        -t (time reference either 'utc', 'gps', 'local')\n"
         "        -h (print this help message)\n\n"
         "Example:\n"
         "$ ubx -d /dev/ttyPS1 -p on -a on -t utc\n");
}
```
user: 请从给定的汇编指令推导出C源代码：

```asm
<htoi>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %rbx
  sub    $0x28,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %esi,-0x2c(%rbp)
  mov    %edx,-0x30(%rbp)
  movl   $0x0,-0x14(%rbp)
  mov    -0x28(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x30,%al
  jne    L93
  mov    -0x28(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  cmp    $0x78,%al
  je     L132
  mov    -0x28(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  cmp    $0x58,%al
  jne    L93
L132:
  movl   $0x2,-0x1c(%rbp)
  jmp    L7
L93:
  movl   $0x0,-0x1c(%rbp)
L7:
  mov    -0x2c(%rbp),%eax
  add    %eax,-0x1c(%rbp)
  movl   $0x0,-0x18(%rbp)
  jmp    L49
L124:
  mov    -0x18(%rbp),%eax
  cmp    -0x30(%rbp),%eax
  jge    L40
  mov    -0x1c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <_tolower@plt>
  cmp    $0x39,%al
  jle    L57
  mov    -0x14(%rbp),%eax
  shl    $0x4,%eax
  mov    %eax,%ebx
  mov    -0x1c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <tolower@plt>
  sub    $0x57,%eax
  add    %ebx,%eax
  mov    %eax,-0x14(%rbp)
  jmp    L23
L57:
  mov    -0x14(%rbp),%eax
  shl    $0x4,%eax
  mov    %eax,%ebx
  mov    -0x1c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <tolower@plt>
  sub    $0x30,%eax
  add    %ebx,%eax
  mov    %eax,-0x14(%rbp)
L23:
  addl   $0x1,-0x18(%rbp)
  addl   $0x1,-0x1c(%rbp)
L49:
  mov    -0x1c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x2f,%al
  jle    L123
  mov    -0x1c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x39,%al
  jle    L124
L123:
  mov    -0x1c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x60,%al
  jle    L126
  mov    -0x1c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x66,%al
  jle    L124
L126:
  mov    -0x1c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x40,%al
  jle    L110
  mov    -0x1c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x28(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  cmp    $0x46,%al
  jle    L124
  jmp    L110
L40:
  nop
L110:
  mov    -0x14(%rbp),%eax
  mov    -0x8(%rbp),%rbx
  leave
  ret
```

assistant: ```c
int htoi(const char s[], int start, int len) {
  int i, j;
  int n = 0;
  if (s[0] == '0' && (s[1] == 'x' || s[1] == 'X')) {
    i = 2;
  } else {
    i = 0;
  }
  i += start;
  j = 0;
  for (; (s[i] >= '0' && s[i] <= '9') || (s[i] >= 'a' && s[i] <= 'f') || (s[i] >= 'A' && s[i] <= 'F'); ++i) {
    if (j >= len) {
      break;
    }
    if (_tolower(s[i]) > '9') {
      n = 16 * n + (10 + tolower(s[i]) - 'a');
    } else {
      n = 16 * n + (tolower(s[i]) - '0');
    }
    j++;
  }
  return n;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<htoi>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %edx,%r14d
  mov    $0x0,%eax
  cmpb   $0x30,(%rdi)
  je     L66
L31:
  add    %esi,%eax
  cltq
  lea    (%rdi,%rax,1),%rbx
  mov    $0x0,%ebp
  mov    $0x0,%r12d
  jmp    L30
L66:
  movzbl 0x1(%rdi),%eax
  and    $0xffffffdf,%eax
  cmp    $0x58,%al
  sete   %al
  movzbl %al,%eax
  add    %eax,%eax
  jmp    L31
L58:
  shl    $0x4,%ebp
  movsbl 0x0(%r13),%edi
  call   <tolower@plt>
  lea    -0x30(%rbp,%rax,1),%ebp
L45:
  add    $0x1,%r12d
  add    $0x1,%rbx
L30:
  mov    %rbx,%r13
  movzbl (%rbx),%edi
  lea    -0x30(%rdi),%eax
  cmp    $0x9,%al
  jbe    L63
  mov    %edi,%eax
  and    $0xffffffdf,%eax
  sub    $0x41,%eax
  cmp    $0x5,%al
  ja     L18
L63:
  cmp    %r14d,%r12d
  jge    L18
  movsbl %dil,%edi
  call   <_tolower@plt>
  cmp    $0x39,%al
  jle    L58
  shl    $0x4,%ebp
  movsbl 0x0(%r13),%edi
  call   <tolower@plt>
  lea    -0x57(%rbp,%rax,1),%ebp
  jmp    L45
L18:
  mov    %ebp,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

assistant: ```c
int htoi(const char s[], int start, int len) {
  int i, j;
  int n = 0;
  if (s[0] == '0' && (s[1] == 'x' || s[1] == 'X')) {
    i = 2;
  } else {
    i = 0;
  }
  i += start;
  j = 0;
  for (; (s[i] >= '0' && s[i] <= '9') || (s[i] >= 'a' && s[i] <= 'f') || (s[i] >= 'A' && s[i] <= 'F'); ++i) {
    if (j >= len) {
      break;
    }
    if (_tolower(s[i]) > '9') {
      n = 16 * n + (10 + tolower(s[i]) - 'a');
    } else {
      n = 16 * n + (tolower(s[i]) - '0');
    }
    j++;
  }
  return n;
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<htoi>:
  endbr64
  push   %r13
  mov    %edx,%r13d
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  cmpb   $0x30,(%rdi)
  jne    L11
  movzbl 0x1(%rdi),%eax
  lea    0x2(%rsi),%edx
  and    $0xffffffdf,%eax
  cmp    $0x58,%al
  cmove  %edx,%esi
L11:
  movslq %esi,%rsi
  xor    %r12d,%r12d
  xor    %ebp,%ebp
  lea    (%rdi,%rsi,1),%rbx
  jmp    L26
  nopl   0x0(%rax,%rax,1)
L37:
  call   <tolower@plt>
  lea    -0x57(%r12,%rax,1),%r12d
L36:
  add    $0x1,%ebp
  add    $0x1,%rbx
L26:
  movsbl (%rbx),%edi
  lea    -0x30(%rdi),%eax
  cmp    $0x9,%al
  jbe    L42
  mov    %edi,%eax
  and    $0xffffffdf,%eax
  sub    $0x41,%eax
  cmp    $0x5,%al
  ja     L8
L42:
  cmp    %r13d,%ebp
  jge    L8
  call   <_tolower@plt>
  shl    $0x4,%r12d
  movsbl (%rbx),%edi
  cmp    $0x39,%al
  jg     L37
  call   <tolower@plt>
  lea    -0x30(%r12,%rax,1),%r12d
  jmp    L36
L8:
  add    $0x8,%rsp
  mov    %r12d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
int htoi(const char s[], int start, int len) {
  int i, j;
  int n = 0;
  if (s[0] == '0' && (s[1] == 'x' || s[1] == 'X')) {
    i = 2;
  } else {
    i = 0;
  }
  i += start;
  j = 0;
  for (; (s[i] >= '0' && s[i] <= '9') || (s[i] >= 'a' && s[i] <= 'f') || (s[i] >= 'A' && s[i] <= 'F'); ++i) {
    if (j >= len) {
      break;
    }
    if (_tolower(s[i]) > '9') {
      n = 16 * n + (10 + tolower(s[i]) - 'a');
    } else {
      n = 16 * n + (tolower(s[i]) - '0');
    }
    j++;
  }
  return n;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<htoi>:
  endbr64
  push   %r13
  mov    %edx,%r13d
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  cmpb   $0x30,(%rdi)
  jne    L45
  movzbl 0x1(%rdi),%eax
  lea    0x2(%rsi),%edx
  and    $0xffffffdf,%eax
  cmp    $0x58,%al
  cmove  %edx,%esi
L45:
  movslq %esi,%rsi
  xor    %r12d,%r12d
  xor    %ebp,%ebp
  lea    (%rdi,%rsi,1),%rbx
  jmp    L29
  nopl   0x0(%rax,%rax,1)
L39:
  call   <tolower@plt>
  lea    -0x57(%r12,%rax,1),%r12d
L44:
  add    $0x1,%ebp
  add    $0x1,%rbx
L29:
  movsbl (%rbx),%edi
  lea    -0x30(%rdi),%eax
  cmp    $0x9,%al
  jbe    L69
  mov    %edi,%eax
  and    $0xffffffdf,%eax
  sub    $0x41,%eax
  cmp    $0x5,%al
  ja     L3
L69:
  cmp    %r13d,%ebp
  jge    L3
  call   <_tolower@plt>
  shl    $0x4,%r12d
  movsbl (%rbx),%edi
  cmp    $0x39,%al
  jg     L39
  call   <tolower@plt>
  lea    -0x30(%r12,%rax,1),%r12d
  jmp    L44
L3:
  add    $0x8,%rsp
  mov    %r12d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
int htoi(const char s[], int start, int len) {
  int i, j;
  int n = 0;
  if (s[0] == '0' && (s[1] == 'x' || s[1] == 'X')) {
    i = 2;
  } else {
    i = 0;
  }
  i += start;
  j = 0;
  for (; (s[i] >= '0' && s[i] <= '9') || (s[i] >= 'a' && s[i] <= 'f') || (s[i] >= 'A' && s[i] <= 'F'); ++i) {
    if (j >= len) {
      break;
    }
    if (_tolower(s[i]) > '9') {
      n = 16 * n + (10 + tolower(s[i]) - 'a');
    } else {
      n = 16 * n + (tolower(s[i]) - '0');
    }
    j++;
  }
  return n;
}
```
user: 请从给定的汇编指令推导出C源代码:

```asm
<Delay>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    %edi,-0x4(%rbp)
  cmpl   $0x0,-0x4(%rbp)
  jle    L2
  mov    -0x4(%rbp),%eax
  imul   $0x64,%eax,%eax
  movslq %eax,%rdx
  imul   $0xffffffff92492493,%rdx,%rdx
  shr    $0x20,%rdx
  add    %eax,%edx
  sar    $0x2,%edx
  sar    $0x1f,%eax
  mov    %eax,%ecx
  mov    %edx,%eax
  sub    %ecx,%eax
  mov    %eax,%edi
  call   <SDL_Delay@plt>
L2:
  nop
  leave
  ret
```

assistant: ```c
void Delay(int wolfticks) {
  if (wolfticks > 0)
    SDL_Delay(wolfticks * 100 / 7);
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<Delay>:
  endbr64
  test   %edi,%edi
  jg     L5
  ret
L5:
  sub    $0x8,%rsp
  imul   $0x64,%edi,%eax
  movslq %eax,%rdx
  imul   $0xffffffff92492493,%rdx,%rdx
  shr    $0x20,%rdx
  add    %eax,%edx
  sar    $0x2,%edx
  sar    $0x1f,%eax
  sub    %eax,%edx
  mov    %edx,%edi
  call   <SDL_Delay@plt>
  add    $0x8,%rsp
  ret
```

assistant: ```c
void Delay(int wolfticks) {
  if (wolfticks > 0)
    SDL_Delay(wolfticks * 100 / 7);
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<Delay>:
  endbr64
  test   %edi,%edi
  jg     L9
  ret
  nopl   0x0(%rax)
L9:
  imul   $0x64,%edi,%eax
  mov    %rax,%rdi
  imul   $0x24924925,%rax,%rax
  shr    $0x20,%rax
  sub    %eax,%edi
  shr    %edi
  add    %eax,%edi
  shr    $0x2,%edi
  jmp    1050 <SDL_Delay@plt>
```

assistant: ```c
void Delay(int wolfticks) {
  if (wolfticks > 0)
    SDL_Delay(wolfticks * 100 / 7);
}
```
user: What is the c source code of the assembly code below:

```asm
<Delay>:
  endbr64
  test   %edi,%edi
  jg     L9
  ret
  nopl   0x0(%rax)
L9:
  imul   $0x64,%edi,%eax
  mov    %rax,%rdi
  imul   $0x24924925,%rax,%rax
  shr    $0x20,%rax
  sub    %eax,%edi
  shr    %edi
  add    %eax,%edi
  shr    $0x2,%edi
  jmp    1050 <SDL_Delay@plt>
```

assistant: ```c
void Delay(int wolfticks) {
  if (wolfticks > 0)
    SDL_Delay(wolfticks * 100 / 7);
}
```
user: What would the C source look like for the assembly code provided here:

```asm
<rockfall>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  lea    D4(%rip),%rax
  mov    %rax,%rdi
  call   <niceprint@plt>
  nop
  pop    %rbp
  ret
```

tool_calls: name: retrieve_data
arguments: data_label: D4
type_guessed: string

tool: D4: As the adventurers make their way through a long, twisting cavern, a tremor sets off a rockfall. Each party member must attempt three DC 12 Dexterity saving throws, taking 3d6 bludgeoning damage on each failed save. Any incapacitated creature not moved out of the area is buried under rubble, taking an additional 1d6 bludgeoning damage at the end of each of its turns until the creature is dug out or dead. Decrease the drow pursuit level by 1.



assistant: ```c
void rockfall(void) {
  niceprint("As the adventurers make their way through a long, twisting cavern, a "
            "tremor sets off a rockfall. Each party member must attempt three "
            "DC 12 Dexterity saving throws, taking 3d6 bludgeoning damage on each "
            "failed save. Any incapacitated creature not moved out of the area is "
            "buried under rubble, taking an additional 1d6 bludgeoning damage at "
            "the end of each of its turns until the creature is dug out or dead. "
            "Decrease the drow pursuit level by 1.\n\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
<rockfall>:
  endbr64
  sub    $0x8,%rsp
  lea    D4(%rip),%rdi
  call   <niceprint@plt>
  add    $0x8,%rsp
  ret
```

tool_calls: name: unpack_data
arguments: tag: D4
data_type: string

tool: D4: As the adventurers make their way through a long, twisting cavern, a tremor sets off a rockfall. Each party member must attempt three DC 12 Dexterity saving throws, taking 3d6 bludgeoning damage on each failed save. Any incapacitated creature not moved out of the area is buried under rubble, taking an additional 1d6 bludgeoning damage at the end of each of its turns until the creature is dug out or dead. Decrease the drow pursuit level by 1.



assistant: ```c
void rockfall(void) {
  niceprint("As the adventurers make their way through a long, twisting cavern, a "
            "tremor sets off a rockfall. Each party member must attempt three "
            "DC 12 Dexterity saving throws, taking 3d6 bludgeoning damage on each "
            "failed save. Any incapacitated creature not moved out of the area is "
            "buried under rubble, taking an additional 1d6 bludgeoning damage at "
            "the end of each of its turns until the creature is dug out or dead. "
            "Decrease the drow pursuit level by 1.\n\n");
}
```