user: Translate the below assembly code into C programming language:

```asm
<rbspline>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  lea    -0x1d000(%rsp),%r11
L63:
  sub    $0x1000,%rsp
  orq    $0x0,(%rsp)
  cmp    %r11,%rsp
  jne    L63
  sub    $0x508,%rsp
  mov    %esi,0x14(%rsp)
  mov    %rcx,0x18(%rsp)
  mov    %r8,0x20(%rsp)
  mov    %fs:0x28,%rax
  mov    %rax,0x1d4f8(%rsp)
  xor    %eax,%eax
  lea    (%rdi,%rsi,1),%r15d
  cmp    $0x270f,%r15d
  jg     L32
  mov    %edi,%ebp
  mov    %edx,%r14d
  mov    %r9,%r12
  test   %edi,%edi
  js     L96
  lea    0x9c70(%rsp),%rax
  mov    %edi,%edx
  lea    0x9c78(%rsp,%rdx,8),%rdx
L22:
  movq   $0x0,(%rax)
  add    $0x8,%rax
  cmp    %rdx,%rax
  jne    L22
L96:
  test   %r15d,%r15d
  js     L128
  lea    0x30(%rsp),%rax
  mov    %r15d,%edx
  lea    0x34(%rsp,%rdx,4),%rdx
L106:
  movl   $0x0,(%rax)
  add    $0x4,%rax
  cmp    %rdx,%rax
  jne    L106
L128:
  lea    0x30(%rsp),%rdx
  mov    0x14(%rsp),%esi
  mov    %ebp,%edi
  call   <knot@plt>
  movslq %r15d,%rax
  pxor   %xmm1,%xmm1
  cvtsi2sdl 0x30(%rsp,%rax,4),%xmm1
  lea    -0x1(%r14),%eax
  pxor   %xmm0,%xmm0
  cvtsi2sd %eax,%xmm0
  divsd  %xmm0,%xmm1
  movsd  %xmm1,0x28(%rsp)
  test   %r14d,%r14d
  jle    L32
  lea    -0x1(%rbp),%eax
  lea    0x9c80(%rsp,%rax,8),%rbx
  pxor   %xmm6,%xmm6
  movsd  %xmm6,0x8(%rsp)
  mov    $0x1,%r13d
  jmp    L42
L137:
  movsd  0x8(%rsp),%xmm4
  addsd  0x28(%rsp),%xmm4
  movsd  %xmm4,0x8(%rsp)
  add    $0x1,%r13d
  add    $0x18,%r12
  cmp    %r13d,%r14d
  jl     L32
L42:
  movslq %r15d,%rax
  pxor   %xmm1,%xmm1
  cvtsi2sdl 0x30(%rsp,%rax,4),%xmm1
  movapd %xmm1,%xmm0
  movsd  0x8(%rsp),%xmm3
  subsd  %xmm3,%xmm0
  cmpnltsd D1(%rip),%xmm0
  movapd %xmm3,%xmm2
  andpd  %xmm0,%xmm2
  andnpd %xmm1,%xmm0
  orpd   %xmm2,%xmm0
  movsd  %xmm0,0x8(%rsp)
  lea    0x30(%rsp),%rdx
  lea    0x9c70(%rsp),%r8
  mov    0x20(%rsp),%rcx
  mov    %ebp,%esi
  mov    0x14(%rsp),%edi
  call   <rbasis@plt>
  mov    0x18(%rsp),%rax
  lea    0x8(%rax),%r8
  mov    %r12,%rsi
  mov    $0x1,%edi
L89:
  mov    %rsi,%rcx
  movq   $0x0,0x8(%rsi)
  test   %ebp,%ebp
  jle    L49
  lea    0x9c78(%rsp),%rax
  mov    %r8,%rdx
L68:
  movsd  (%rax),%xmm0
  mulsd  (%rdx),%xmm0
  addsd  0x8(%rcx),%xmm0
  movsd  %xmm0,0x8(%rcx)
  add    $0x8,%rax
  add    $0x18,%rdx
  cmp    %rbx,%rax
  jne    L68
L49:
  add    $0x1,%edi
  add    $0x8,%rsi
  add    $0x8,%r8
  cmp    $0x4,%edi
  jne    L89
  jmp    L137
L32:
  mov    0x1d4f8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L28
  add    $0x1d508,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L28:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: tag: D1
datatype: byte[8]

tool: {"D1": [0xf1,0x68,0xe3,0x88,0xb5,0xf8,0xd4,0x3e]}

assistant: ```c
void rbspline(int npts, int k, int p1, double b[], double h[], double p[]) {
  int i, j, icount, jcount;
  int i1;
  int x[10000];
  int nplusc;
  double step;
  double t;
  double nbasis[10000];
  double temp;
  nplusc = npts + k;
  if (nplusc < 10000) {
    for (i = 0; i <= npts; i++) {
      nbasis[i] = 0.;
    }
    for (i = 0; i <= nplusc; i++) {
      x[i] = 0.;
    }
    knot(npts, k, x);
    icount = 0;
    t = 0;
    step = ((double)x[nplusc]) / ((double)(p1 - 1));
    for (i1 = 1; i1 <= p1; i1++) {
      if ((double)x[nplusc] - t < 5e-6) {
        t = (double)x[nplusc];
      }
      rbasis(k, t, npts, x, h, nbasis);
      for (j = 1; j <= 3; j++) {
        jcount = j;
        p[icount + j] = 0.;
        for (i = 1; i <= npts; i++) {
          temp = nbasis[i] * b[jcount];
          p[icount + j] = p[icount + j] + temp;
          jcount = jcount + 3;
        }
      }
      icount = icount + 3;
      t = t + step;
    }
  }
}
```