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

```asm
<calculate_diffusion>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x48(%rbp)
  mov    %rsi,-0x50(%rbp)
  mov    %rdx,-0x58(%rbp)
  mov    %rcx,-0x60(%rbp)
  mov    %r8,-0x68(%rbp)
  mov    %r9,-0x70(%rbp)
  movq   $0x0,-0x28(%rbp)
  jmp    L59
L96:
  mov    -0x28(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x58(%rbp),%rax
  add    %rdx,%rax
  movq   $0x0,(%rax)
  mov    -0x28(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x50(%rbp),%rax
  add    %rdx,%rax
  movq   $0x0,(%rax)
  addq   $0x1,-0x28(%rbp)
L59:
  mov    -0x60(%rbp),%rax
  imul   %rax,%rax
  cmp    %rax,-0x28(%rbp)
  jl     L96
  movq   $0x0,-0x30(%rbp)
  jmp    L83
L84:
  mov    -0x70(%rbp),%rax
  mov    (%rax),%rax
  lea    0x1(%rax),%rdx
  mov    -0x70(%rbp),%rax
  mov    %rdx,(%rax)
  mov    0x10(%rbp),%rax
  mov    (%rax),%rdx
  mov    -0x70(%rbp),%rax
  mov    (%rax),%rax
  add    %rax,%rdx
  mov    0x10(%rbp),%rax
  mov    %rdx,(%rax)
  movq   $0x0,-0x28(%rbp)
  jmp    L99
L28:
  mov    -0x28(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x58(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rdx
  mov    -0x28(%rbp),%rax
  lea    0x0(,%rax,8),%rcx
  mov    -0x58(%rbp),%rax
  add    %rcx,%rax
  add    $0x1,%rdx
  mov    %rdx,(%rax)
  addq   $0x1,-0x28(%rbp)
L99:
  mov    -0x60(%rbp),%rax
  imul   %rax,%rax
  cmp    %rax,-0x28(%rbp)
  jl     L28
  mov    -0x30(%rbp),%rax
  imul   -0x60(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  mov    %rax,-0x20(%rbp)
  movq   $0x0,-0x38(%rbp)
  jmp    L54
L9:
  mov    -0x38(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  mov    %rax,-0x8(%rbp)
  mov    -0x38(%rbp),%rax
  imul   -0x60(%rbp),%rax
  mov    %rax,%rdx
  mov    -0x8(%rbp),%rax
  add    %rdx,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x58(%rbp),%rax
  add    %rdx,%rax
  movq   $0x0,(%rax)
  addq   $0x1,-0x38(%rbp)
L54:
  mov    -0x38(%rbp),%rax
  cmp    -0x60(%rbp),%rax
  jl     L9
  movq   $0x0,-0x38(%rbp)
  jmp    L30
L119:
  mov    -0x38(%rbp),%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  mov    %rax,-0x18(%rbp)
  movq   $0x0,-0x40(%rbp)
  jmp    L91
L45:
  mov    -0x38(%rbp),%rax
  imul   -0x60(%rbp),%rax
  mov    %rax,%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x58(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  mov    %rax,-0x10(%rbp)
  mov    -0x18(%rbp),%rax
  imul   -0x60(%rbp),%rax
  mov    %rax,%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x50(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rcx
  mov    -0x18(%rbp),%rax
  imul   -0x60(%rbp),%rax
  mov    %rax,%rdx
  mov    -0x40(%rbp),%rax
  add    %rdx,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x50(%rbp),%rax
  add    %rdx,%rax
  mov    -0x10(%rbp),%rdx
  add    %rcx,%rdx
  mov    %rdx,(%rax)
  addq   $0x1,-0x40(%rbp)
L91:
  mov    -0x40(%rbp),%rax
  cmp    -0x60(%rbp),%rax
  jl     L45
  addq   $0x1,-0x38(%rbp)
L30:
  mov    -0x38(%rbp),%rax
  cmp    -0x60(%rbp),%rax
  jl     L119
  addq   $0x1,-0x30(%rbp)
L83:
  mov    -0x30(%rbp),%rax
  cmp    -0x68(%rbp),%rax
  jl     L84
  mov    $0x0,%eax
  pop    %rbp
  ret
```

assistant: ```c
int calculate_diffusion(long int *const paths, long int *diffusion, long int *rdiff, long int nreplicas, long int ntimes, long int *maxelapsed, long int *maxelapsed_cum) {
  long int p, p1, p2, r, t, i, telapsed;
  long int *positions;
  for (i = 0; i < nreplicas * nreplicas; ++i) {
    rdiff[i] = 0;
    diffusion[i] = 0;
  }
  for (t = 0; t < ntimes; ++t) {
    *maxelapsed += 1;
    *maxelapsed_cum += *maxelapsed;
    for (i = 0; i < nreplicas * nreplicas; ++i)
      rdiff[i] += 1;
    positions = &paths[t * nreplicas];
    for (r = 0; r < nreplicas; ++r) {
      p = positions[r];
      rdiff[r * nreplicas + p] = 0;
    }
    for (r = 0; r < nreplicas; ++r) {
      p1 = positions[r];
      for (p2 = 0; p2 < nreplicas; ++p2) {
        telapsed = rdiff[r * nreplicas + p2];
        diffusion[p1 * nreplicas + p2] += telapsed;
      }
    }
  }
  return 0;
}
```