user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<generate_char_data_set>:
  endbr64
  push   %r15
  push   %r14
  mov    %r9d,%r14d
  push   %r13
  mov    %r8d,%r13d
  push   %r12
  mov    %ecx,%r12d
  push   %rbp
  push   %rbx
  mov    %edi,%ebx
  mov    %edx,%edi
  sub    $0x48,%rsp
  mov    %esi,0x3c(%rsp)
  mov    0x90(%rsp),%eax
  cmp    %eax,0x80(%rsp)
  jg     L414
  mov    0x80(%rsp),%r8d
  test   %r8d,%r8d
  js     L414
L302:
  mov    $0xf,%ecx
  xor    %edx,%edx
  mov    $0x8,%esi
  call   <offset_and_clip_value@plt>
  mov    %r12d,%edi
  mov    $0xf,%ecx
  xor    %edx,%edx
  mov    $0x8,%esi
  mov    %eax,%ebp
  call   <offset_and_clip_value@plt>
  mov    $0xf,%ecx
  xor    %edx,%edx
  mov    %r13d,%edi
  mov    $0x8,%esi
  mov    %eax,%r12d
  call   <offset_and_clip_value@plt>
  mov    $0xf,%ecx
  xor    %edx,%edx
  mov    %r14d,%edi
  mov    $0x8,%esi
  mov    %eax,%r15d
  mov    %eax,0x34(%rsp)
  call   <offset_and_clip_value@plt>
  mov    %bpl,0x2c(%rsp)
  mov    %eax,0x38(%rsp)
  mov    %r12b,0x2d(%rsp)
  mov    %r15b,0x6(%rsp)
  mov    %al,0x7(%rsp)
  cmp    $0x4,%ebx
  je     L17
L221:
  mov    0x88(%rsp),%esi
  test   %esi,%esi
  jle    L180
  mov    0xa0(%rsp),%ecx
  cmp    $0x4,%ebx
  mov    %r12d,%r8d
  mov    0xa8(%rsp),%rsi
  sete   %dl
  movl   $0x0,0x28(%rsp)
  test   %ecx,%ecx
  movl   $0x0,0x24(%rsp)
  sete   %al
  shl    $0x4,%ebp
  and    $0xf,%r8d
  and    %eax,%edx
  mov    0x90(%rsp),%eax
  lea    (%r8,%rbp,1),%r14d
  imul   0x98(%rsp),%eax
  mov    %dl,0x2f(%rsp)
  mov    %eax,0x30(%rsp)
  mov    0x98(%rsp),%eax
  sub    $0x1,%eax
  lea    0x1(%rsi,%rax,1),%rax
  mov    %rax,0x10(%rsp)
  nopl   (%rax)
L172:
  cmpb   $0x0,0x2f(%rsp)
  jne    L505
L319:
  mov    0x90(%rsp),%edx
  test   %edx,%edx
  jle    L225
  movzbl 0x34(%rsp),%r15d
  mov    0x90(%rsp),%eax
  movzbl 0x38(%rsp),%r13d
  mov    0x28(%rsp),%r12d
  add    %r15d,%eax
  mov    %r15d,0xc(%rsp)
  mov    %eax,0x8(%rsp)
  cs nopw 0x0(%rax,%rax,1)
L293:
  mov    0x98(%rsp),%eax
  test   %eax,%eax
  jle    L249
  mov    %r15d,%eax
  sub    0xc(%rsp),%eax
  cmp    %eax,0x80(%rsp)
  je     L429
  cmpl   $0xffffffff,0x80(%rsp)
  je     L386
  mov    0xa8(%rsp),%rbp
  movslq %r12d,%rdx
  add    %rdx,%rbp
  add    0x10(%rsp),%rdx
L300:
  cmp    $0x4,%ebx
  je     L208
  mov    %r14b,0x0(%rbp)
  add    $0x1,%rbp
  cmp    %rdx,%rbp
  jne    L300
L249:
  add    $0x1,%r15d
  add    $0x1,%r13d
  add    0x98(%rsp),%r12d
  cmp    0x8(%rsp),%r15d
  jne    L293
L225:
  addl   $0x1,0x24(%rsp)
  mov    0x30(%rsp),%esi
  mov    0x24(%rsp),%eax
  add    %esi,0x28(%rsp)
  cmp    %eax,0x88(%rsp)
  jne    L172
L180:
  add    $0x48,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  cs nopw 0x0(%rax,%rax,1)
L208:
  mov    %ebx,0x18(%rsp)
  mov    %rdx,%rbx
L191:
  xor    %eax,%eax
  add    $0x1,%rbp
  call   <rand@plt>
  xor    %eax,%eax
  call   <rand@plt>
  mov    %r14b,-0x1(%rbp)
  cmp    %rbp,%rbx
  jne    L191
  mov    0x18(%rsp),%ebx
  jmp    L249
  nopl   0x0(%rax,%rax,1)
L386:
  mov    0xa8(%rsp),%rdx
  movslq %r12d,%r9
  mov    %r13d,%esi
  mov    %r14b,0x2e(%rsp)
  mov    %r13d,0x1c(%rsp)
  mov    %ebx,%r14d
  mov    $0xf,%r10d
  mov    %esi,%ebx
  add    %r9,%rdx
  add    0x10(%rsp),%r9
  mov    %r12d,0x20(%rsp)
  mov    %r15d,%r12d
  mov    %rdx,%rbp
  mov    %r9,%r13
  jmp    L247
  nopl   0x0(%rax,%rax,1)
L491:
  cmp    $0x2,%r14d
  jne    L210
  mov    %r12d,%edi
  mov    %ebx,%eax
  and    $0xf,%edi
  and    $0xf,%eax
  nopl   (%rax)
L309:
  shl    $0x4,%edi
  and    $0xf,%eax
  add    $0x1,%rbp
  add    $0x1,%r12d
  add    %eax,%edi
  add    $0x1,%ebx
  mov    %dil,-0x1(%rbp)
  cmp    %r13,%rbp
  je     L188
L247:
  cmp    $0x3,%r14d
  je     L422
  jg     L146
  cmp    $0x1,%r14d
  jne    L491
  movzbl 0x7(%rsp),%eax
  movzbl 0x6(%rsp),%edi
  jmp    L309
  cs nopw 0x0(%rax,%rax,1)
L146:
  cmp    $0x4,%r14d
  jne    L210
  xor    %eax,%eax
  call   <rand@plt>
  mov    %eax,%r11d
  sar    $0x1f,%r11d
  shr    $0x1c,%r11d
  lea    (%rax,%r11,1),%edi
  xor    %eax,%eax
  and    $0xf,%edi
  sub    %r11d,%edi
  mov    %dil,0x18(%rsp)
  call   <rand@plt>
  movzbl 0x18(%rsp),%edi
  mov    $0xf,%r10d
  mov    %eax,%r11d
  sar    $0x1f,%r11d
  shr    $0x1c,%r11d
  add    %r11d,%eax
  and    $0xf,%eax
  sub    %r11d,%eax
  jmp    L309
  nopw   0x0(%rax,%rax,1)
L210:
  movzbl 0x2d(%rsp),%eax
  movzbl 0x2c(%rsp),%edi
  jmp    L309
  nopw   0x0(%rax,%rax,1)
L188:
  mov    %r14d,%ebx
  mov    0x1c(%rsp),%r13d
  mov    0x20(%rsp),%r12d
  movzbl 0x2e(%rsp),%r14d
  jmp    L249
  nopl   0x0(%rax,%rax,1)
L422:
  mov    %r12d,%eax
  mov    %r10d,%edi
  mov    %ebx,%r11d
  and    $0xf,%eax
  and    $0xf,%r11d
  sub    %eax,%edi
  mov    %r10d,%eax
  sub    %r11d,%eax
  jmp    L309
  nopl   (%rax)
L429:
  mov    0xa8(%rsp),%rdx
  movslq %r12d,%r9
  mov    %r13d,%esi
  add    %r9,%rdx
  add    0x10(%rsp),%r9
  cmpl   $0xffffffff,0x80(%rsp)
  je     L473
  mov    %r14b,0x2e(%rsp)
  mov    $0xf,%r10d
  mov    %ebx,%r14d
  mov    %r15d,%ebp
  mov    %r13d,0x1c(%rsp)
  mov    %esi,%ebx
  mov    %r9,%r13
  mov    %r12d,0x20(%rsp)
  mov    %rdx,%r12
  jmp    L448
  nopl   0x0(%rax)
L384:
  cmp    $0x2,%r14d
  jne    L489
  mov    %ebp,%edi
  mov    %ebx,%eax
  and    $0xf,%edi
  and    $0xf,%eax
  nopl   0x0(%rax)
L176:
  shl    $0x4,%edi
  and    $0xf,%eax
  add    $0x1,%r12
  add    $0x1,%ebp
  add    %eax,%edi
  add    $0x1,%ebx
  mov    %dil,-0x1(%r12)
  cmp    %r13,%r12
  je     L188
L448:
  cmp    $0x3,%r14d
  je     L62
  jg     L329
  cmp    $0x1,%r14d
  jne    L384
  movzbl 0x7(%rsp),%eax
  movzbl 0x6(%rsp),%edi
  jmp    L176
  cs nopw 0x0(%rax,%rax,1)
L329:
  cmp    $0x4,%r14d
  jne    L489
  xor    %eax,%eax
  call   <rand@plt>
  mov    %eax,%r11d
  sar    $0x1f,%r11d
  shr    $0x1c,%r11d
  lea    (%rax,%r11,1),%edi
  xor    %eax,%eax
  and    $0xf,%edi
  sub    %r11d,%edi
  mov    %dil,0x18(%rsp)
  call   <rand@plt>
  movzbl 0x18(%rsp),%edi
  mov    $0xf,%r10d
  mov    %eax,%r11d
  sar    $0x1f,%r11d
  shr    $0x1c,%r11d
  add    %r11d,%eax
  and    $0xf,%eax
  sub    %r11d,%eax
  jmp    L176
  nopw   0x0(%rax,%rax,1)
L489:
  movzbl 0x2d(%rsp),%eax
  movzbl 0x2c(%rsp),%edi
  jmp    L176
  nopw   0x0(%rax,%rax,1)
L62:
  mov    %ebp,%eax
  mov    %r10d,%edi
  mov    %ebx,%r11d
  and    $0xf,%eax
  and    $0xf,%r11d
  sub    %eax,%edi
  mov    %r10d,%eax
  sub    %r11d,%eax
  jmp    L176
L473:
  mov    %r14b,0x2e(%rsp)
  mov    $0xf,%r11d
  mov    %ebx,%r14d
  mov    %r15d,%ebp
  mov    %r13d,0x1c(%rsp)
  mov    %rdx,%rbx
  mov    %r9,%r13
  mov    %r12d,0x20(%rsp)
  mov    %esi,%r12d
  jmp    L267
  nopw   0x0(%rax,%rax,1)
L150:
  cmp    $0x2,%r14d
  jne    L212
  mov    %ebp,%edi
  mov    %r12d,%eax
  and    $0xf,%edi
  and    $0xf,%eax
  nopl   (%rax)
L341:
  shl    $0x4,%edi
  and    $0xf,%eax
  add    $0x1,%rbx
  add    $0x1,%ebp
  add    %eax,%edi
  add    $0x1,%r12d
  mov    %dil,-0x1(%rbx)
  cmp    %r13,%rbx
  je     L188
L267:
  cmp    $0x3,%r14d
  je     L439
  jg     L87
  cmp    $0x1,%r14d
  jne    L150
  movzbl 0x7(%rsp),%eax
  movzbl 0x6(%rsp),%edi
  jmp    L341
  xchg   %ax,%ax
L87:
  cmp    $0x4,%r14d
  jne    L212
  xor    %eax,%eax
  call   <rand@plt>
  mov    %eax,%r10d
  sar    $0x1f,%r10d
  shr    $0x1c,%r10d
  lea    (%rax,%r10,1),%edi
  xor    %eax,%eax
  and    $0xf,%edi
  sub    %r10d,%edi
  mov    %dil,0x18(%rsp)
  call   <rand@plt>
  movzbl 0x18(%rsp),%edi
  mov    $0xf,%r11d
  mov    %eax,%r10d
  sar    $0x1f,%r10d
  shr    $0x1c,%r10d
  add    %r10d,%eax
  and    $0xf,%eax
  sub    %r10d,%eax
  jmp    L341
  nopw   0x0(%rax,%rax,1)
L212:
  movzbl 0x2d(%rsp),%eax
  movzbl 0x2c(%rsp),%edi
  jmp    L341
  nopw   0x0(%rax,%rax,1)
L439:
  mov    %ebp,%eax
  mov    %r11d,%edi
  mov    %r12d,%r10d
  and    $0xf,%eax
  and    $0xf,%r10d
  sub    %eax,%edi
  mov    %r11d,%eax
  sub    %r10d,%eax
  jmp    L341
L505:
  mov    0x3c(%rsp),%edi
  call   <srand@plt>
  jmp    L319
L414:
  movl   $0xffffffff,0x80(%rsp)
  jmp    L302
L17:
  mov    0x3c(%rsp),%edi
  call   <srand@plt>
  jmp    L221
```

assistant: ```c
void generate_char_data_set(int generation_Type, int random_seed, int default_real, int default_imaginary, int initial_real, int initial_imaginary, int single_frequency, int num_timesteps, int num_frequencies, int num_elements, int no_repeat_random, unsigned char *packed_data_set) {
  if (single_frequency > num_frequencies || single_frequency < 0)
    single_frequency = -1;
  default_real = offset_and_clip_value(default_real, 8, 0, 15);
  default_imaginary = offset_and_clip_value(default_imaginary, 8, 0, 15);
  initial_real = offset_and_clip_value(initial_real, 8, 0, 15);
  initial_imaginary = offset_and_clip_value(initial_imaginary, 8, 0, 15);
  unsigned char clipped_offset_default_real = (unsigned char)default_real;
  unsigned char clipped_offset_default_imaginary = (unsigned char)default_imaginary;
  unsigned char clipped_offset_initial_real = (unsigned char)initial_real;
  unsigned char clipped_offset_initial_imaginary = (unsigned char)initial_imaginary;
  unsigned char temp_output;
  if (generation_Type == 4u) {
    srand(random_seed);
  }
  for (int k = 0; k < num_timesteps; k++) {
    if (generation_Type == 4u && !no_repeat_random) {
      srand(random_seed);
    }
    for (int j = 0; j < num_frequencies; j++) {
      for (int i = 0; i < num_elements; i++) {
        int currentAddress = k * num_frequencies * num_elements + j * num_elements + i;
        unsigned char new_real;
        unsigned char new_imaginary;
        switch (generation_Type) {
        case 1u:
          new_real = clipped_offset_initial_real;
          new_imaginary = clipped_offset_initial_imaginary;
          break;
        case 2u:
          new_real = (j + clipped_offset_initial_real + i) % 16;
          new_imaginary = (j + clipped_offset_initial_imaginary + i) % 16;
          break;
        case 3u:
          new_real = 15 - ((j + clipped_offset_initial_real + i) % 16);
          new_imaginary = 15 - ((j + clipped_offset_initial_imaginary + i) % 16);
          break;
        case 4u:
          new_real = (unsigned char)(rand() % 16);
          new_imaginary = (unsigned char)(rand() % 16);
          break;
        default:
          new_real = clipped_offset_default_real;
          new_imaginary = clipped_offset_default_imaginary;
          break;
        }
        if (single_frequency == -1) {
          temp_output = ((new_real << 4) & 0xF0) + (new_imaginary & 0x0F);
          packed_data_set[currentAddress] = temp_output;
        } else {
          if (j == single_frequency) {
            temp_output = ((new_real << 4) & 0xF0) + (new_imaginary & 0x0F);
          } else {
            temp_output = ((clipped_offset_default_real << 4) & 0xF0) + (clipped_offset_default_imaginary & 0x0F);
          }
          packed_data_set[currentAddress] = temp_output;
        }
      }
    }
  }
  return;
}
```