user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<main>:
  endbr64
  push   %r15
  xor    %r8d,%r8d
  push   %r14
  mov    %r8d,%ecx
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x88,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x78(%rsp)
  xor    %eax,%eax
  lea    0x60(%rsp),%rax
  movl   $0x0,0x20(%rsp)
  mov    %rax,0x18(%rsp)
L248:
  movl   $0x2,0x40(%rsp)
  mov    $0x2,%r8d
  mov    %ecx,0xc(%rsp)
  mov    %r8d,%ecx
L84:
  movl   $0x1,0x60(%rsp)
  movl   $0x1,0x8(%rsp)
  mov    %ecx,0x10(%rsp)
L47:
  movl   $0x0,0x24(%rsp)
  xor    %ecx,%ecx
L123:
  movl   $0x2,0x44(%rsp)
  mov    $0x2,%edx
  mov    %ecx,0x14(%rsp)
L97:
  movl   $0x1,0x64(%rsp)
  mov    $0x1,%ecx
L246:
  movl   $0x0,0x28(%rsp)
  xor    %esi,%esi
L133:
  movl   $0x2,0x48(%rsp)
  mov    $0x2,%edi
  nopl   (%rax)
L63:
  movl   $0x1,0x68(%rsp)
  mov    $0x1,%r8d
  cs nopw 0x0(%rax,%rax,1)
L211:
  movl   $0x0,0x2c(%rsp)
  xor    %r9d,%r9d
L38:
  movl   $0x2,0x4c(%rsp)
  mov    $0x2,%r10d
L199:
  movl   $0x1,0x6c(%rsp)
  mov    $0x1,%r11d
L85:
  movl   $0x0,0x30(%rsp)
  xor    %ebx,%ebx
L95:
  movl   $0x2,0x50(%rsp)
  mov    $0x2,%ebp
L150:
  movl   $0x1,0x70(%rsp)
  mov    $0x1,%r12d
L221:
  movl   $0x0,0x34(%rsp)
  xor    %r13d,%r13d
L239:
  movl   $0x2,0x54(%rsp)
  mov    $0x2,%r14d
L65:
  movl   $0x1,0x74(%rsp)
  mov    $0x1,%eax
L157:
  mov    0x10(%rsp),%r15d
  sub    $0x1,%r15d
  imul   0x8(%rsp),%r15d
  add    0xc(%rsp),%r15d
  cmp    $0x3,%r15d
  jg     L61
  lea    -0x1(%rdx),%r15d
  imul   %ecx,%r15d
  add    0x14(%rsp),%r15d
  cmp    $0x3,%r15d
  jg     L61
  lea    -0x1(%rdi),%r15d
  imul   %r8d,%r15d
  add    %esi,%r15d
  cmp    $0x3,%r15d
  jg     L61
  lea    -0x1(%r10),%r15d
  imul   %r11d,%r15d
  add    %r9d,%r15d
  cmp    $0x3,%r15d
  jg     L61
  lea    -0x1(%rbp),%r15d
  imul   %r12d,%r15d
  add    %ebx,%r15d
  cmp    $0x5,%r15d
  jg     L61
  lea    -0x1(%r14),%r15d
  imul   %r15d,%eax
  add    %r13d,%eax
  cmp    $0x3,%eax
  jg     L61
  mov    0x18(%rsp),%rdx
  lea    0x40(%rsp),%rsi
  lea    0x20(%rsp),%rdi
  call   <test@plt>
  mov    0x24(%rsp),%eax
  mov    0x54(%rsp),%r14d
  mov    0x34(%rsp),%r13d
  mov    0x70(%rsp),%r12d
  mov    0x50(%rsp),%ebp
  mov    0x30(%rsp),%ebx
  mov    %eax,0x14(%rsp)
  mov    0x60(%rsp),%eax
  mov    0x6c(%rsp),%r11d
  mov    0x4c(%rsp),%r10d
  mov    0x2c(%rsp),%r9d
  mov    0x68(%rsp),%r8d
  mov    0x48(%rsp),%edi
  mov    %eax,0x8(%rsp)
  mov    0x40(%rsp),%eax
  mov    0x28(%rsp),%esi
  mov    0x64(%rsp),%ecx
  mov    0x44(%rsp),%edx
  mov    %eax,0x10(%rsp)
  mov    0x20(%rsp),%eax
  mov    %eax,0xc(%rsp)
L61:
  mov    0x74(%rsp),%eax
  add    $0x1,%eax
  mov    %eax,0x74(%rsp)
  cmp    $0x3,%eax
  jle    L157
  add    $0x1,%r14d
  mov    %r14d,0x54(%rsp)
  cmp    $0x4,%r14d
  jle    L65
  add    $0x1,%r13d
  mov    %r13d,0x34(%rsp)
  cmp    $0x3,%r13d
  jle    L239
  add    $0x1,%r12d
  mov    %r12d,0x70(%rsp)
  cmp    $0x5,%r12d
  jle    L221
  add    $0x1,%ebp
  mov    %ebp,0x50(%rsp)
  cmp    $0x6,%ebp
  jle    L150
  add    $0x1,%ebx
  mov    %ebx,0x30(%rsp)
  cmp    $0x5,%ebx
  jle    L95
  add    $0x1,%r11d
  mov    %r11d,0x6c(%rsp)
  cmp    $0x3,%r11d
  jle    L85
  add    $0x1,%r10d
  mov    %r10d,0x4c(%rsp)
  cmp    $0x4,%r10d
  jle    L199
  add    $0x1,%r9d
  mov    %r9d,0x2c(%rsp)
  cmp    $0x3,%r9d
  jle    L38
  add    $0x1,%r8d
  mov    %r8d,0x68(%rsp)
  cmp    $0x3,%r8d
  jle    L211
  add    $0x1,%edi
  mov    %edi,0x48(%rsp)
  cmp    $0x4,%edi
  jle    L63
  add    $0x1,%esi
  mov    %esi,0x28(%rsp)
  cmp    $0x3,%esi
  jle    L133
  add    $0x1,%ecx
  mov    %ecx,0x64(%rsp)
  cmp    $0x3,%ecx
  jle    L246
  add    $0x1,%edx
  mov    %edx,0x44(%rsp)
  cmp    $0x4,%edx
  jle    L97
  mov    0x14(%rsp),%ecx
  add    $0x1,%ecx
  mov    %ecx,0x24(%rsp)
  cmp    $0x3,%ecx
  jle    L123
  addl   $0x1,0x8(%rsp)
  mov    0x8(%rsp),%eax
  mov    %eax,0x60(%rsp)
  cmp    $0x3,%eax
  jle    L47
  mov    0x10(%rsp),%ecx
  add    $0x1,%ecx
  mov    %ecx,0x40(%rsp)
  cmp    $0x4,%ecx
  jle    L84
  mov    0xc(%rsp),%ecx
  add    $0x1,%ecx
  mov    %ecx,0x20(%rsp)
  cmp    $0x3,%ecx
  jle    L248
  mov    0x78(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L141
  add    $0x88,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L141:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int main() {
  int start[6], len[6], stride[6];
  for (start[0] = 0; start[0] < 4; start[0]++) {
    for (len[0] = 2; len[0] <= 4; len[0]++) {
      for (stride[0] = 1; stride[0] < 4; stride[0]++) {
        for (start[1] = 0; start[1] < 4; start[1]++) {
          for (len[1] = 2; len[1] <= 4; len[1]++) {
            for (stride[1] = 1; stride[1] < 4; stride[1]++) {
              for (start[2] = 0; start[2] < 4; start[2]++) {
                for (len[2] = 2; len[2] <= 4; len[2]++) {
                  for (stride[2] = 1; stride[2] < 4; stride[2]++) {
                    for (start[3] = 0; start[3] < 4; start[3]++) {
                      for (len[3] = 2; len[3] <= 4; len[3]++) {
                        for (stride[3] = 1; stride[3] < 4; stride[3]++) {
                          for (start[4] = 0; start[4] < 6; start[4]++) {
                            for (len[4] = 2; len[4] <= 6; len[4]++) {
                              for (stride[4] = 1; stride[4] < 6; stride[4]++) {
                                for (start[5] = 0; start[5] < 4; start[5]++) {
                                  for (len[5] = 2; len[5] <= 4; len[5]++) {
                                    for (stride[5] = 1; stride[5] < 4; stride[5]++) {
                                      if ((start[0] + (len[0] - 1) * stride[0] < 4) && (start[1] + (len[1] - 1) * stride[1] < 4) && (start[2] + (len[2] - 1) * stride[2] < 4) && (start[3] + (len[3] - 1) * stride[3] < 4) && (start[4] + (len[4] - 1) * stride[4] < 6) && (start[5] + (len[5] - 1) * stride[5] < 4)) {
                                        test(start, len, stride);
                                      }
                                    }
                                  }
                                }
                              }
                            }
                          }
                        }
                      }
                    }
                  }
                }
              }
            }
          }
        }
      }
    }
  }
  return 0;
}
```