user: 请将以下的汇编代码转换成C语言代码：

```asm
<toeplitz_cache_create>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbx
  sub    $0x68,%rsp
  mov    %rdi,-0x78(%rbp)
  mov    %esi,-0x7c(%rbp)
  mov    %rdx,-0x88(%rbp)
  mov    %ecx,-0x80(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  movl   $0x0,-0x68(%rbp)
  jmp    L19
L92:
  mov    %rsp,%rax
  mov    %rax,%rbx
  mov    D37(%rip),%rax
  mov    (%rax),%ecx
  movslq %ecx,%rax
  sub    $0x1,%rax
  mov    %rax,-0x48(%rbp)
  movslq %ecx,%rax
  mov    %rax,%r12
  mov    $0x0,%r13d
  movslq %ecx,%rax
  mov    %rax,%r14
  mov    $0x0,%r15d
  movslq %ecx,%rax
  lea    0x0(,%rax,4),%rdx
  mov    $0x10,%eax
  sub    $0x1,%rax
  add    %rdx,%rax
  mov    $0x10,%edi
  mov    $0x0,%edx
  div    %rdi
  imul   $0x10,%rax,%rax
  mov    %rax,%rsi
  and    $0xfffffffffffff000,%rsi
  mov    %rsp,%rdx
  sub    %rsi,%rdx
L41:
  cmp    %rdx,%rsp
  je     L10
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L41
L10:
  mov    %rax,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  mov    %rax,%rdx
  and    $0xfff,%edx
  test   %rdx,%rdx
  je     L102
  and    $0xfff,%eax
  sub    $0x8,%rax
  add    %rsp,%rax
  orq    $0x0,(%rax)
L102:
  mov    %rsp,%rax
  add    $0x3,%rax
  shr    $0x2,%rax
  shl    $0x2,%rax
  mov    %rax,-0x40(%rbp)
  movslq %ecx,%rax
  shl    $0x2,%eax
  mov    %eax,%edx
  mov    -0x40(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <bzero@plt>
  movl   $0x0,-0x60(%rbp)
  jmp    L96
L108:
  movl   $0x0,-0x64(%rbp)
  jmp    L35
L33:
  mov    D37(%rip),%rax
  mov    (%rax),%eax
  imul   -0x68(%rbp),%eax
  mov    %eax,%edx
  mov    -0x60(%rbp),%eax
  add    %eax,%edx
  mov    -0x64(%rbp),%eax
  add    %edx,%eax
  mov    %eax,-0x50(%rbp)
  mov    D37(%rip),%rax
  mov    (%rax),%edi
  mov    -0x50(%rbp),%eax
  cltd
  idiv   %edi
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x88(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  mov    %eax,-0x4c(%rbp)
  mov    D37(%rip),%rax
  mov    (%rax),%ecx
  mov    D37(%rip),%rax
  mov    (%rax),%esi
  mov    -0x50(%rbp),%eax
  cltd
  idiv   %esi
  mov    %ecx,%eax
  sub    %edx,%eax
  sub    $0x1,%eax
  mov    %eax,-0x54(%rbp)
  mov    -0x54(%rbp),%eax
  mov    -0x4c(%rbp),%edx
  mov    %eax,%ecx
  sar    %cl,%edx
  mov    %edx,%eax
  and    $0x1,%eax
  test   %eax,%eax
  je     L15
  mov    -0x40(%rbp),%rax
  mov    -0x60(%rbp),%edx
  movslq %edx,%rdx
  mov    (%rax,%rdx,4),%edx
  mov    -0x64(%rbp),%eax
  mov    $0x80000000,%esi
  mov    %eax,%ecx
  shr    %cl,%esi
  mov    %esi,%eax
  mov    %edx,%ecx
  or     %eax,%ecx
  mov    -0x40(%rbp),%rax
  mov    -0x60(%rbp),%edx
  movslq %edx,%rdx
  mov    %ecx,(%rax,%rdx,4)
L15:
  addl   $0x1,-0x64(%rbp)
L35:
  cmpl   $0x1f,-0x64(%rbp)
  jle    L33
  addl   $0x1,-0x60(%rbp)
L96:
  mov    D37(%rip),%rax
  mov    (%rax),%eax
  cmp    %eax,-0x60(%rbp)
  jl     L108
  movl   $0x0,-0x5c(%rbp)
  jmp    L124
L57:
  movl   $0x0,-0x58(%rbp)
  movl   $0x0,-0x60(%rbp)
  jmp    L122
L111:
  mov    D37(%rip),%rax
  mov    (%rax),%eax
  sub    -0x60(%rbp),%eax
  sub    $0x1,%eax
  mov    %eax,-0x54(%rbp)
  mov    -0x54(%rbp),%eax
  mov    -0x5c(%rbp),%edx
  mov    %eax,%ecx
  sar    %cl,%edx
  mov    %edx,%eax
  and    $0x1,%eax
  test   %eax,%eax
  je     L100
  mov    -0x40(%rbp),%rax
  mov    -0x60(%rbp),%edx
  movslq %edx,%rdx
  mov    (%rax,%rdx,4),%eax
  xor    %eax,-0x58(%rbp)
L100:
  addl   $0x1,-0x60(%rbp)
L122:
  mov    D37(%rip),%rax
  mov    (%rax),%eax
  cmp    %eax,-0x60(%rbp)
  jl     L111
  mov    -0x68(%rbp),%eax
  cltq
  shl    $0xa,%rax
  mov    %rax,%rdx
  mov    -0x78(%rbp),%rax
  lea    (%rdx,%rax,1),%rcx
  mov    -0x5c(%rbp),%eax
  cltq
  mov    -0x58(%rbp),%edx
  mov    %edx,(%rcx,%rax,4)
  addl   $0x1,-0x5c(%rbp)
L124:
  cmpl   $0xff,-0x5c(%rbp)
  jle    L57
  mov    %rbx,%rsp
  addl   $0x1,-0x68(%rbp)
L19:
  mov    -0x68(%rbp),%eax
  cmp    -0x7c(%rbp),%eax
  jl     L92
  nop
  mov    -0x38(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L1
  call   <__stack_chk_fail@plt>
L1:
  lea    -0x28(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
```

assistant: ```c
void toeplitz_cache_create(uint32_t cache[][256], int cache_len, const uint8_t key_str[], __attribute__((unused)) int key_strlen) {
  int i;
  for (i = 0; i < cache_len; ++i) {
    uint32_t key[NBBY];
    int j, b, shift, val;
    bzero(key, sizeof(key));
    for (b = 0; b < NBBY; ++b) {
      for (j = 0; j < 32; ++j) {
        uint8_t k;
        int bit;
        bit = (i * NBBY) + b + j;
        k = key_str[bit / NBBY];
        shift = NBBY - (bit % NBBY) - 1;
        if (k & (1 << shift))
          key[b] |= 1 << (31 - j);
      }
    }
    for (val = 0; val < 256; ++val) {
      uint32_t res = 0;
      for (b = 0; b < NBBY; ++b) {
        shift = NBBY - b - 1;
        if (val & (1 << shift))
          res ^= key[b];
      }
      cache[i][val] = res;
    }
  }
}
```