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

```asm
<mult_expr>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  call   <cast_expr@plt>
  mov    %rax,%r12
  jmp    L74
L38:
  cmp    $0xc,%ebp
  je     L77
  mov    $0xffffffff,%esi
L0:
  mov    %r13,%r8
  mov    %r12,%rcx
  mov    %r14,%rdx
  mov    %rbx,%rdi
  call   <triple@plt>
  mov    %rax,%r12
L74:
  mov    %rbx,%rdi
  call   <peek@plt>
  mov    %eax,%ebp
  cmp    $0xc,%eax
  je     L73
  lea    -0x28(%rax),%eax
  cmp    $0x1,%eax
  ja     L10
  mov    %r12,%rsi
  mov    %rbx,%rdi
  call   <read_expr@plt>
  mov    %rax,%r12
  mov    %rax,%rsi
  mov    %rbx,%rdi
  call   <arithmetic@plt>
  mov    %ebp,%esi
  mov    %rbx,%rdi
  call   <eat@plt>
  mov    %rbx,%rdi
  call   <cast_expr@plt>
  mov    %rax,%rsi
  mov    %rbx,%rdi
  call   <read_expr@plt>
  mov    %rax,%r13
  mov    %rax,%rsi
  mov    %rbx,%rdi
  call   <arithmetic@plt>
  mov    %r13,%rdx
  mov    %r12,%rsi
  mov    %rbx,%rdi
  call   <arithmetic_result@plt>
  mov    %rax,%r14
  mov    %rax,%rdi
  call   <is_signed@plt>
  cmp    $0x28,%ebp
  je     L36
  cmp    $0x29,%ebp
  jne    L38
  cmp    $0x1,%eax
  mov    $0x6,%esi
  adc    $0x0,%esi
  jmp    L0
L36:
  cmp    $0x1,%eax
  mov    $0x4,%esi
  adc    $0x0,%esi
  jmp    L0
L73:
  mov    %r12,%rsi
  mov    %rbx,%rdi
  call   <read_expr@plt>
  mov    %rax,%r12
  mov    %rax,%rsi
  mov    %rbx,%rdi
  call   <arithmetic@plt>
  mov    %ebp,%esi
  mov    %rbx,%rdi
  call   <eat@plt>
  mov    %rbx,%rdi
  call   <cast_expr@plt>
  mov    %rax,%rsi
  mov    %rbx,%rdi
  call   <read_expr@plt>
  mov    %rax,%r13
  mov    %rax,%rsi
  mov    %rbx,%rdi
  call   <arithmetic@plt>
  mov    %r13,%rdx
  mov    %r12,%rsi
  mov    %rbx,%rdi
  call   <arithmetic_result@plt>
  mov    %rax,%r14
  mov    %rax,%rdi
  call   <is_signed@plt>
L77:
  cmp    $0x1,%eax
  mov    $0x2,%esi
  adc    $0x0,%esi
  jmp    L0
L10:
  mov    %r12,%rax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

assistant: ```c
struct triple *mult_expr(struct compile_state *state) {
  struct triple *def;
  int done;
  def = cast_expr(state);
  do {
    struct triple *left, *right;
    struct type *result_type;
    int tok, op, sign;
    done = 0;
    tok = peek(state);
    switch (tok) {
    case 12:
    case 40:
    case 41:
      left = read_expr(state, def);
      arithmetic(state, left);
      eat(state, tok);
      right = read_expr(state, cast_expr(state));
      arithmetic(state, right);
      result_type = arithmetic_result(state, left, right);
      sign = is_signed(result_type);
      op = -1;
      switch (tok) {
      case 12:
        op = sign ? 2 : 3;
        break;
      case 40:
        op = sign ? 4 : 5;
        break;
      case 41:
        op = sign ? 6 : 7;
        break;
      }
      def = triple(state, op, result_type, left, right);
      break;
    default:
      done = 1;
      break;
    }
  } while (!done);
  return def;
}
```
user: Converte this assembly snippet into its equivalent C code:

```asm
<mult_expr>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  call   <cast_expr@plt>
  mov    %rax,%r12
  jmp    L36
  nopl   0x0(%rax)
L3:
  lea    -0x28(%rax),%eax
  cmp    $0x1,%eax
  ja     L2
  mov    %r12,%rsi
  mov    %rbx,%rdi
  call   <read_expr@plt>
  mov    %rbx,%rdi
  mov    %rax,%rsi
  mov    %rax,%r12
  call   <arithmetic@plt>
  mov    %ebp,%esi
  mov    %rbx,%rdi
  call   <eat@plt>
  mov    %rbx,%rdi
  call   <cast_expr@plt>
  mov    %rbx,%rdi
  mov    %rax,%rsi
  call   <read_expr@plt>
  mov    %rbx,%rdi
  mov    %rax,%r13
  mov    %rax,%rsi
  call   <arithmetic@plt>
  mov    %r12,%rsi
  mov    %r13,%rdx
  mov    %rbx,%rdi
  call   <arithmetic_result@plt>
  mov    %rax,%rdi
  mov    %rax,%r14
  call   <is_signed@plt>
  mov    $0x6,%esi
  cmp    $0x1,%eax
  adc    $0x0,%esi
  cmp    $0x1,%eax
  mov    $0x4,%eax
  adc    $0x0,%eax
  cmp    $0x28,%ebp
  cmove  %eax,%esi
L22:
  mov    %r12,%rcx
  mov    %r13,%r8
  mov    %r14,%rdx
  mov    %rbx,%rdi
  call   <triple@plt>
  mov    %rax,%r12
L36:
  mov    %rbx,%rdi
  call   <peek@plt>
  mov    %eax,%ebp
  cmp    $0xc,%eax
  jne    L3
  mov    %r12,%rsi
  mov    %rbx,%rdi
  call   <read_expr@plt>
  mov    %rbx,%rdi
  mov    %rax,%rsi
  mov    %rax,%r12
  call   <arithmetic@plt>
  mov    $0xc,%esi
  mov    %rbx,%rdi
  call   <eat@plt>
  mov    %rbx,%rdi
  call   <cast_expr@plt>
  mov    %rbx,%rdi
  mov    %rax,%rsi
  call   <read_expr@plt>
  mov    %rbx,%rdi
  mov    %rax,%r13
  mov    %rax,%rsi
  call   <arithmetic@plt>
  mov    %r12,%rsi
  mov    %r13,%rdx
  mov    %rbx,%rdi
  call   <arithmetic_result@plt>
  mov    %rax,%rdi
  mov    %rax,%r14
  call   <is_signed@plt>
  mov    $0x2,%esi
  cmp    $0x1,%eax
  adc    $0x0,%esi
  jmp    L22
  nopl   0x0(%rax)
L2:
  pop    %rbx
  mov    %r12,%rax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

assistant: ```c
struct triple *mult_expr(struct compile_state *state) {
  struct triple *def;
  int done;
  def = cast_expr(state);
  do {
    struct triple *left, *right;
    struct type *result_type;
    int tok, op, sign;
    done = 0;
    tok = peek(state);
    switch (tok) {
    case 12:
    case 40:
    case 41:
      left = read_expr(state, def);
      arithmetic(state, left);
      eat(state, tok);
      right = read_expr(state, cast_expr(state));
      arithmetic(state, right);
      result_type = arithmetic_result(state, left, right);
      sign = is_signed(result_type);
      op = -1;
      switch (tok) {
      case 12:
        op = sign ? 2 : 3;
        break;
      case 40:
        op = sign ? 4 : 5;
        break;
      case 41:
        op = sign ? 6 : 7;
        break;
      }
      def = triple(state, op, result_type, left, right);
      break;
    default:
      done = 1;
      break;
    }
  } while (!done);
  return def;
}
```
user: What would the C source look like for the assembly code provided here?

```asm
<mult_expr>:
  endbr64
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rdi,%rbx
  call   <cast_expr@plt>
  mov    %rax,%r12
  jmp    L28
  nopl   0x0(%rax)
L10:
  lea    -0x28(%rax),%eax
  cmp    $0x1,%eax
  ja     L18
  mov    %r12,%rsi
  mov    %rbx,%rdi
  call   <read_expr@plt>
  mov    %rbx,%rdi
  mov    %rax,%rsi
  mov    %rax,%r12
  call   <arithmetic@plt>
  mov    %ebp,%esi
  mov    %rbx,%rdi
  call   <eat@plt>
  mov    %rbx,%rdi
  call   <cast_expr@plt>
  mov    %rbx,%rdi
  mov    %rax,%rsi
  call   <read_expr@plt>
  mov    %rbx,%rdi
  mov    %rax,%r13
  mov    %rax,%rsi
  call   <arithmetic@plt>
  mov    %r12,%rsi
  mov    %r13,%rdx
  mov    %rbx,%rdi
  call   <arithmetic_result@plt>
  mov    %rax,%rdi
  mov    %rax,%r14
  call   <is_signed@plt>
  mov    $0x6,%esi
  cmp    $0x1,%eax
  adc    $0x0,%esi
  cmp    $0x1,%eax
  mov    $0x4,%eax
  adc    $0x0,%eax
  cmp    $0x28,%ebp
  cmove  %eax,%esi
L35:
  mov    %r12,%rcx
  mov    %r13,%r8
  mov    %r14,%rdx
  mov    %rbx,%rdi
  call   <triple@plt>
  mov    %rax,%r12
L28:
  mov    %rbx,%rdi
  call   <peek@plt>
  mov    %eax,%ebp
  cmp    $0xc,%eax
  jne    L10
  mov    %r12,%rsi
  mov    %rbx,%rdi
  call   <read_expr@plt>
  mov    %rbx,%rdi
  mov    %rax,%rsi
  mov    %rax,%r12
  call   <arithmetic@plt>
  mov    $0xc,%esi
  mov    %rbx,%rdi
  call   <eat@plt>
  mov    %rbx,%rdi
  call   <cast_expr@plt>
  mov    %rbx,%rdi
  mov    %rax,%rsi
  call   <read_expr@plt>
  mov    %rbx,%rdi
  mov    %rax,%r13
  mov    %rax,%rsi
  call   <arithmetic@plt>
  mov    %r12,%rsi
  mov    %r13,%rdx
  mov    %rbx,%rdi
  call   <arithmetic_result@plt>
  mov    %rax,%rdi
  mov    %rax,%r14
  call   <is_signed@plt>
  mov    $0x2,%esi
  cmp    $0x1,%eax
  adc    $0x0,%esi
  jmp    L35
  nopl   0x0(%rax)
L18:
  pop    %rbx
  mov    %r12,%rax
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  ret
```

assistant: ```c
struct triple *mult_expr(struct compile_state *state) {
  struct triple *def;
  int done;
  def = cast_expr(state);
  do {
    struct triple *left, *right;
    struct type *result_type;
    int tok, op, sign;
    done = 0;
    tok = peek(state);
    switch (tok) {
    case 12:
    case 40:
    case 41:
      left = read_expr(state, def);
      arithmetic(state, left);
      eat(state, tok);
      right = read_expr(state, cast_expr(state));
      arithmetic(state, right);
      result_type = arithmetic_result(state, left, right);
      sign = is_signed(result_type);
      op = -1;
      switch (tok) {
      case 12:
        op = sign ? 2 : 3;
        break;
      case 40:
        op = sign ? 4 : 5;
        break;
      case 41:
        op = sign ? 6 : 7;
        break;
      }
      def = triple(state, op, result_type, left, right);
      break;
    default:
      done = 1;
      break;
    }
  } while (!done);
  return def;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<generate_random_string>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  movl   $0x0,-0x4(%rbp)
  jmp    L4
L65:
  mov    $0x0,%eax
  call   <rand@plt>
  cltd
  shr    $0x1e,%edx
  add    %edx,%eax
  and    $0x3,%eax
  sub    %edx,%eax
  cmp    $0x2,%eax
  je     L45
  cmp    $0x2,%eax
  jg     L24
  test   %eax,%eax
  je     L83
  cmp    $0x1,%eax
  je     L48
  jmp    L24
L83:
  mov    $0x0,%eax
  call   <rand@plt>
  movslq %eax,%rdx
  imul   $0x4ec4ec4f,%rdx,%rdx
  shr    $0x20,%rdx
  sar    $0x3,%edx
  mov    %eax,%ecx
  sar    $0x1f,%ecx
  sub    %ecx,%edx
  imul   $0x1a,%edx,%ecx
  sub    %ecx,%eax
  mov    %eax,%edx
  mov    %edx,%eax
  lea    0x61(%rax),%ecx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    %ecx,%edx
  mov    %dl,(%rax)
  jmp    L15
L48:
  mov    $0x0,%eax
  call   <rand@plt>
  movslq %eax,%rdx
  imul   $0x4ec4ec4f,%rdx,%rdx
  shr    $0x20,%rdx
  sar    $0x3,%edx
  mov    %eax,%ecx
  sar    $0x1f,%ecx
  sub    %ecx,%edx
  imul   $0x1a,%edx,%ecx
  sub    %ecx,%eax
  mov    %eax,%edx
  mov    %edx,%eax
  lea    0x41(%rax),%ecx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    %ecx,%edx
  mov    %dl,(%rax)
  jmp    L15
L45:
  mov    $0x0,%eax
  call   <rand@plt>
  mov    %eax,%edx
  movslq %edx,%rax
  imul   $0x66666667,%rax,%rax
  shr    $0x20,%rax
  sar    $0x2,%eax
  mov    %edx,%esi
  sar    $0x1f,%esi
  sub    %esi,%eax
  mov    %eax,%ecx
  mov    %ecx,%eax
  shl    $0x2,%eax
  add    %ecx,%eax
  add    %eax,%eax
  mov    %edx,%ecx
  sub    %eax,%ecx
  mov    %ecx,%eax
  lea    0x30(%rax),%ecx
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    %ecx,%edx
  mov    %dl,(%rax)
  jmp    L15
L24:
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movb   $0x5f,(%rax)
L15:
  addl   $0x1,-0x4(%rbp)
L4:
  mov    -0x4(%rbp),%eax
  cmp    -0x1c(%rbp),%eax
  jl     L65
  mov    -0x1c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  nop
  leave
  ret
```

assistant: ```c
void generate_random_string(char *dest, int len) {
  for (int i = 0; i < len; ++i) {
    switch (rand() % 4) {
    case 0:
      dest[i] = 'a' + rand() % 26;
      break;
    case 1:
      dest[i] = 'A' + rand() % 26;
      break;
    case 2:
      dest[i] = '0' + rand() % 10;
      break;
    default:
      dest[i] = '_';
    }
  }
  dest[len] = 0;
}
```
user: Demonstrate the C code that generates the assembly output below:

```asm
<generate_random_string>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%r13
  mov    %esi,%r12d
  test   %esi,%esi
  jle    L42
  mov    %rdi,%rbx
  lea    -0x1(%rsi),%eax
  lea    0x1(%rdi,%rax,1),%rbp
  jmp    L76
L74:
  mov    $0x0,%eax
  call   <rand@plt>
  movslq %eax,%rdx
  imul   $0x4ec4ec4f,%rdx,%rdx
  sar    $0x23,%rdx
  mov    %eax,%ecx
  sar    $0x1f,%ecx
  sub    %ecx,%edx
  imul   $0x1a,%edx,%edx
  sub    %edx,%eax
  add    $0x61,%eax
  mov    %al,(%rbx)
L25:
  add    $0x1,%rbx
  cmp    %rbp,%rbx
  je     L42
L76:
  mov    $0x0,%eax
  call   <rand@plt>
  mov    %eax,%ecx
  sar    $0x1f,%ecx
  shr    $0x1e,%ecx
  lea    (%rax,%rcx,1),%edx
  and    $0x3,%edx
  sub    %ecx,%edx
  cmp    $0x1,%edx
  je     L15
  cmp    $0x2,%edx
  je     L70
  test   $0x3,%al
  je     L74
  movb   $0x5f,(%rbx)
  jmp    L25
L15:
  mov    $0x0,%eax
  call   <rand@plt>
  movslq %eax,%rdx
  imul   $0x4ec4ec4f,%rdx,%rdx
  sar    $0x23,%rdx
  mov    %eax,%ecx
  sar    $0x1f,%ecx
  sub    %ecx,%edx
  imul   $0x1a,%edx,%edx
  sub    %edx,%eax
  add    $0x41,%eax
  mov    %al,(%rbx)
  jmp    L25
L70:
  mov    $0x0,%eax
  call   <rand@plt>
  movslq %eax,%rdx
  imul   $0x66666667,%rdx,%rdx
  sar    $0x22,%rdx
  mov    %eax,%ecx
  sar    $0x1f,%ecx
  sub    %ecx,%edx
  lea    (%rdx,%rdx,4),%edx
  add    %edx,%edx
  sub    %edx,%eax
  add    $0x30,%eax
  mov    %al,(%rbx)
  jmp    L25
L42:
  movslq %r12d,%r12
  movb   $0x0,0x0(%r13,%r12,1)
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
```

assistant: ```c
void generate_random_string(char *dest, int len) {
  for (int i = 0; i < len; ++i) {
    switch (rand() % 4) {
    case 0:
      dest[i] = 'a' + rand() % 26;
      break;
    case 1:
      dest[i] = 'A' + rand() % 26;
      break;
    case 2:
      dest[i] = '0' + rand() % 10;
      break;
    default:
      dest[i] = '_';
    }
  }
  dest[len] = 0;
}
```
user: 这段汇编代码用C语言表示是什么样的：

```asm
<generate_random_string>:
  endbr64
  push   %r13
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  movslq %esi,%rbp
  push   %rbx
  sub    $0x8,%rsp
  test   %ebp,%ebp
  jle    L43
  lea    -0x1(%rbp),%eax
  mov    %rdi,%r13
  lea    0x1(%rdi,%rax,1),%rbx
  jmp    L45
  nopl   (%rax)
L51:
  mov    $0x5f,%edx
  test   $0x3,%al
  je     L5
L78:
  mov    %dl,0x0(%r13)
  add    $0x1,%r13
  cmp    %r13,%rbx
  je     L43
L45:
  xor    %eax,%eax
  call   <rand@plt>
  mov    %eax,%ecx
  sar    $0x1f,%ecx
  shr    $0x1e,%ecx
  lea    (%rax,%rcx,1),%edx
  and    $0x3,%edx
  sub    %ecx,%edx
  cmp    $0x1,%edx
  je     L33
  cmp    $0x2,%edx
  jne    L51
  xor    %eax,%eax
  add    $0x1,%r13
  call   <rand@plt>
  mov    %eax,%edx
  cltq
  imul   $0x66666667,%rax,%rax
  mov    %edx,%ecx
  sar    $0x1f,%ecx
  sar    $0x22,%rax
  sub    %ecx,%eax
  lea    (%rax,%rax,4),%eax
  add    %eax,%eax
  sub    %eax,%edx
  add    $0x30,%edx
  mov    %dl,-0x1(%r13)
  cmp    %r13,%rbx
  jne    L45
L43:
  movb   $0x0,(%r12,%rbp,1)
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopw   0x0(%rax,%rax,1)
L33:
  xor    %eax,%eax
  call   <rand@plt>
  mov    %eax,%edx
  cltq
  imul   $0x4ec4ec4f,%rax,%rax
  mov    %edx,%ecx
  sar    $0x1f,%ecx
  sar    $0x23,%rax
  sub    %ecx,%eax
  imul   $0x1a,%eax,%eax
  sub    %eax,%edx
  add    $0x41,%edx
  jmp    L78
  nopw   0x0(%rax,%rax,1)
L5:
  xor    %eax,%eax
  call   <rand@plt>
  mov    %eax,%edx
  cltq
  imul   $0x4ec4ec4f,%rax,%rax
  mov    %edx,%ecx
  sar    $0x1f,%ecx
  sar    $0x23,%rax
  sub    %ecx,%eax
  imul   $0x1a,%eax,%eax
  sub    %eax,%edx
  add    $0x61,%edx
  jmp    L78
```

assistant: ```c
void generate_random_string(char *dest, int len) {
  for (int i = 0; i < len; ++i) {
    switch (rand() % 4) {
    case 0:
      dest[i] = 'a' + rand() % 26;
      break;
    case 1:
      dest[i] = 'A' + rand() % 26;
      break;
    case 2:
      dest[i] = '0' + rand() % 10;
      break;
    default:
      dest[i] = '_';
    }
  }
  dest[len] = 0;
}
```
user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<generate_random_string>:
  endbr64
  push   %r13
  push   %r12
  mov    %rdi,%r12
  push   %rbp
  movslq %esi,%rbp
  push   %rbx
  sub    $0x8,%rsp
  test   %ebp,%ebp
  jle    L9
  lea    -0x1(%rbp),%eax
  mov    %rdi,%r13
  lea    0x1(%rdi,%rax,1),%rbx
  jmp    L68
  nopl   (%rax)
L49:
  mov    $0x5f,%edx
  test   $0x3,%al
  je     L21
L75:
  mov    %dl,0x0(%r13)
  add    $0x1,%r13
  cmp    %r13,%rbx
  je     L9
L68:
  xor    %eax,%eax
  call   <rand@plt>
  mov    %eax,%ecx
  sar    $0x1f,%ecx
  shr    $0x1e,%ecx
  lea    (%rax,%rcx,1),%edx
  and    $0x3,%edx
  sub    %ecx,%edx
  cmp    $0x1,%edx
  je     L58
  cmp    $0x2,%edx
  jne    L49
  xor    %eax,%eax
  add    $0x1,%r13
  call   <rand@plt>
  mov    %eax,%edx
  cltq
  imul   $0x66666667,%rax,%rax
  mov    %edx,%ecx
  sar    $0x1f,%ecx
  sar    $0x22,%rax
  sub    %ecx,%eax
  lea    (%rax,%rax,4),%eax
  add    %eax,%eax
  sub    %eax,%edx
  add    $0x30,%edx
  mov    %dl,-0x1(%r13)
  cmp    %r13,%rbx
  jne    L68
L9:
  movb   $0x0,(%r12,%rbp,1)
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopw   0x0(%rax,%rax,1)
L58:
  xor    %eax,%eax
  call   <rand@plt>
  mov    %eax,%edx
  cltq
  imul   $0x4ec4ec4f,%rax,%rax
  mov    %edx,%ecx
  sar    $0x1f,%ecx
  sar    $0x23,%rax
  sub    %ecx,%eax
  imul   $0x1a,%eax,%eax
  sub    %eax,%edx
  add    $0x41,%edx
  jmp    L75
  nopw   0x0(%rax,%rax,1)
L21:
  xor    %eax,%eax
  call   <rand@plt>
  mov    %eax,%edx
  cltq
  imul   $0x4ec4ec4f,%rax,%rax
  mov    %edx,%ecx
  sar    $0x1f,%ecx
  sar    $0x23,%rax
  sub    %ecx,%eax
  imul   $0x1a,%eax,%eax
  sub    %eax,%edx
  add    $0x61,%edx
  jmp    L75
```

assistant: ```c
void generate_random_string(char *dest, int len) {
  for (int i = 0; i < len; ++i) {
    switch (rand() % 4) {
    case 0:
      dest[i] = 'a' + rand() % 26;
      break;
    case 1:
      dest[i] = 'A' + rand() % 26;
      break;
    case 2:
      dest[i] = '0' + rand() % 10;
      break;
    default:
      dest[i] = '_';
    }
  }
  dest[len] = 0;
}
```
user: 请将以下的汇编代码转换成C语言代码:

```asm
<squezze>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x20,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %esi,-0x1c(%rbp)
  mov    %edx,-0x20(%rbp)
  movl   $0x0,-0x8(%rbp)
  movl   $0x0,-0x4(%rbp)
  lea    D2(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  movl   $0x0,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  mov    %eax,-0x8(%rbp)
  jmp    L35
L4:
  mov    -0x8(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  cmp    %eax,-0x1c(%rbp)
  je     L30
  mov    -0x8(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    -0x4(%rbp),%edx
  movslq %edx,%rcx
  mov    -0x18(%rbp),%rdx
  add    %rcx,%rdx
  movzbl (%rax),%eax
  mov    %al,(%rdx)
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%esi
  mov    -0x8(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  movsbl %al,%edx
  mov    -0x4(%rbp),%ecx
  mov    -0x8(%rbp),%eax
  mov    %esi,%r8d
  mov    %eax,%esi
  lea    D28(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  addl   $0x1,-0x4(%rbp)
L30:
  addl   $0x1,-0x8(%rbp)
L35:
  mov    -0x8(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L4
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  mov    -0x4(%rbp),%edx
  mov    -0x8(%rbp),%eax
  mov    %eax,%esi
  lea    D21(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    -0x8(%rbp),%eax
  add    $0x1,%eax
  mov    %eax,-0x4(%rbp)
  jmp    L34
L27:
  mov    -0x4(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  movb   $0x20,(%rax)
  addl   $0x1,-0x4(%rbp)
L34:
  mov    -0x4(%rbp),%eax
  cmp    -0x20(%rbp),%eax
  jle    L27
  nop
  nop
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: tag: D2
data_type: string
name: retrieve_data
arguments: tag: D28
data_type: string
name: retrieve_data
arguments: tag: D21
data_type: string

tool: D2: function squezze begin.

tool: D28: inside  s[i = %d] = %c;s[j = %d] = %c;


tool: D21: i = %d; j = %d;


assistant: ```c
void squezze(char s[], int c, int len) {
  int i = 0;
  int j = 0;
  printf("function squezze begin.\n");
  for (i = j = 0; s[i] != '\0'; i++) {
    if (s[i] != c) {
      s[j] = s[i];
      printf("inside  s[i = %d] = %c;s[j = %d] = %c;\n", i, s[i], j, s[j]);
      j++;
    }
  };
  s[j] = '\0';
  printf("i = %d; j = %d;\n", i, j);
  for (j = i + 1; j <= len; ++j) {
    s[j] = ' ';
  }
}
```
user: 下面的汇编指令对应的C源代码是什么:

```asm
<squezze>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %rdi,%rbp
  mov    %esi,%r14d
  mov    %edx,0xc(%rsp)
  lea    D3(%rip),%rdi
  call   <puts@plt>
  movzbl 0x0(%rbp),%eax
  test   %al,%al
  je     L50
  mov    $0x1,%ebx
  mov    $0x0,%r12d
  lea    D15(%rip),%r15
  jmp    L20
L5:
  mov    %ebx,%r13d
  add    $0x1,%rbx
  movzbl -0x1(%rbp,%rbx,1),%eax
  test   %al,%al
  je     L63
L20:
  lea    -0x1(%rbx),%esi
  movsbl %al,%edx
  cmp    %r14d,%edx
  je     L5
  movslq %r12d,%rcx
  mov    %al,0x0(%rbp,%rcx,1)
  mov    %edx,%r8d
  mov    %r12d,%ecx
  mov    %r15,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  add    $0x1,%r12d
  jmp    L5
L50:
  mov    $0x0,%r12d
  mov    $0x0,%r13d
L63:
  movslq %r12d,%rax
  movb   $0x0,0x0(%rbp,%rax,1)
  mov    %r12d,%edx
  mov    %r13d,%esi
  lea    D14(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    0x1(%r13),%eax
  mov    0xc(%rsp),%edi
  cmp    %edi,%eax
  jg     L58
  cltq
  add    %rbp,%rax
  movslq %r13d,%rdx
  lea    0x2(%rbp,%rdx,1),%rdx
  mov    %edi,%ecx
  sub    $0x1,%ecx
  sub    %r13d,%ecx
  add    %rcx,%rdx
L25:
  movb   $0x20,(%rax)
  add    $0x1,%rax
  cmp    %rdx,%rax
  jne    L25
L58:
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

tool_calls: name: unpack_data
arguments: data_tag: D3
datatype: string
name: unpack_data
arguments: data_tag: D15
datatype: string
name: unpack_data
arguments: data_tag: D14
datatype: string

tool: D3: function squezze begin.

tool: D15: inside  s[i = %d] = %c;s[j = %d] = %c;


tool: D14: i = %d; j = %d;


assistant: ```c
void squezze(char s[], int c, int len) {
  int i = 0;
  int j = 0;
  printf("function squezze begin.\n");
  for (i = j = 0; s[i] != '\0'; i++) {
    if (s[i] != c) {
      s[j] = s[i];
      printf("inside  s[i = %d] = %c;s[j = %d] = %c;\n", i, s[i], j, s[j]);
      j++;
    }
  };
  s[j] = '\0';
  printf("i = %d; j = %d;\n", i, j);
  for (j = i + 1; j <= len; ++j) {
    s[j] = ' ';
  }
}
```