user: 请从给定的汇编指令推导出C源代码：

```asm
<respdim>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbx
  sub    $0x58,%rsp
  mov    %rdi,-0x68(%rbp)
  mov    %rsi,-0x70(%rbp)
  mov    %rdx,-0x78(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  mov    %rsp,%rax
  mov    %rax,%rbx
  mov    -0x70(%rbp),%rax
  mov    (%rax),%eax
  mov    %eax,%edi
  call   <combin_length@plt>
  mov    %eax,-0x50(%rbp)
  mov    -0x50(%rbp),%eax
  movslq %eax,%rdx
  sub    $0x1,%rdx
  mov    %rdx,-0x48(%rbp)
  movslq %eax,%rdx
  mov    %rdx,%r14
  mov    $0x0,%r15d
  movslq %eax,%rdx
  mov    %rdx,%r12
  mov    $0x0,%r13d
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    $0x10,%eax
  sub    $0x1,%rax
  add    %rdx,%rax
  mov    $0x10,%esi
  mov    $0x0,%edx
  div    %rsi
  imul   $0x10,%rax,%rax
  mov    %rax,%rcx
  and    $0xfffffffffffff000,%rcx
  mov    %rsp,%rdx
  sub    %rcx,%rdx
L99:
  cmp    %rdx,%rsp
  je     L72
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L99
L72:
  mov    %rax,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  mov    %rax,%rdx
  and    $0xfff,%edx
  test   %rdx,%rdx
  je     L40
  and    $0xfff,%eax
  sub    $0x8,%rax
  add    %rsp,%rax
  orq    $0x0,(%rax)
L40:
  mov    %rsp,%rax
  add    $0x3,%rax
  shr    $0x2,%rax
  shl    $0x2,%rax
  mov    %rax,-0x40(%rbp)
  mov    -0x68(%rbp),%rax
  mov    (%rax),%edx
  mov    -0x78(%rbp),%rax
  mov    %edx,(%rax)
  movl   $0x1,-0x5c(%rbp)
  jmp    L3
L22:
  mov    -0x78(%rbp),%rax
  mov    (%rax),%edx
  mov    -0x5c(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rcx
  mov    -0x68(%rbp),%rax
  add    %rcx,%rax
  mov    (%rax),%eax
  add    %eax,%edx
  mov    -0x78(%rbp),%rax
  mov    %edx,(%rax)
  addl   $0x1,-0x5c(%rbp)
L3:
  mov    -0x70(%rbp),%rax
  mov    (%rax),%eax
  cmp    %eax,-0x5c(%rbp)
  jl     L22
  movl   $0x2,-0x60(%rbp)
  jmp    L109
L77:
  mov    -0x60(%rbp),%edx
  mov    -0x70(%rbp),%rax
  mov    (%rax),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <binomial@plt>
  mov    %eax,-0x4c(%rbp)
  mov    -0x40(%rbp),%rdx
  lea    -0x60(%rbp),%rcx
  mov    -0x70(%rbp),%rax
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <combin@plt>
  movl   $0x0,-0x5c(%rbp)
  jmp    L94
L76:
  movl   $0x1,-0x54(%rbp)
  movl   $0x0,-0x58(%rbp)
  jmp    L34
L28:
  mov    -0x40(%rbp),%rax
  mov    -0x5c(%rbp),%edx
  movslq %edx,%rdx
  mov    (%rax,%rdx,4),%eax
  cltq
  shl    $0x2,%rax
  lea    -0x4(%rax),%rdx
  mov    -0x68(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  mov    -0x54(%rbp),%edx
  imul   %edx,%eax
  mov    %eax,-0x54(%rbp)
  addl   $0x1,-0x5c(%rbp)
  addl   $0x1,-0x58(%rbp)
L34:
  mov    -0x60(%rbp),%eax
  cmp    %eax,-0x58(%rbp)
  jl     L28
  mov    -0x78(%rbp),%rax
  mov    (%rax),%edx
  mov    -0x54(%rbp),%eax
  add    %eax,%edx
  mov    -0x78(%rbp),%rax
  mov    %edx,(%rax)
L94:
  mov    -0x60(%rbp),%eax
  imul   -0x4c(%rbp),%eax
  cmp    %eax,-0x5c(%rbp)
  jl     L76
  mov    -0x60(%rbp),%eax
  add    $0x1,%eax
  mov    %eax,-0x60(%rbp)
L109:
  mov    -0x70(%rbp),%rax
  mov    (%rax),%edx
  mov    -0x60(%rbp),%eax
  cmp    %eax,%edx
  jge    L77
  mov    %rbx,%rsp
  nop
  mov    -0x38(%rbp),%rax
  sub    %fs:0x28,%rax
  je     L11
  call   <__stack_chk_fail@plt>
L11:
  lea    -0x28(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
```

assistant: ```c
void respdim(int *lev, int *fact, int *dim) {
  int i, j, k;
  int combsetlen = combin_length(*fact);
  int combset[combsetlen];
  int prod;
  int ncomb;
  *dim = lev[0];
  for (i = 1; i < *fact; i++)
    *dim += lev[i];
  for (k = 2; k <= *fact; k++) {
    ncomb = binomial(*fact, k);
    combin(fact, &k, combset);
    i = 0;
    while (i < (k * ncomb)) {
      prod = 1;
      for (j = 0; j < k; j++) {
        prod *= lev[combset[i] - 1];
        i++;
      }
      *dim += prod;
    }
  }
}
```