user: Demonstrate the C code that generates the assembly output below:

```asm
<filter_positions_v4>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %edx,-0x24(%rbp)
  mov    %ecx,-0x28(%rbp)
  mov    %r8d,-0x2c(%rbp)
  mov    %r9d,-0x30(%rbp)
  movl   $0x0,-0x8(%rbp)
  movl   $0x1,-0xc(%rbp)
  jmp    L8
L78:
  mov    -0xc(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  mov    %eax,-0x4(%rbp)
  cmpl   $0x0,-0x4(%rbp)
  jle    L51
  mov    -0x4(%rbp),%eax
  cmp    -0x28(%rbp),%eax
  jg     L15
  addl   $0x1,-0x8(%rbp)
  cmpl   $0x0,-0x30(%rbp)
  jne    L30
  cmpl   $0x0,-0x2c(%rbp)
  jne    L54
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    0x28(%rbp),%rax
  add    %rax,%rdx
  mov    -0x4(%rbp),%eax
  mov    %eax,(%rdx)
  jmp    L100
L54:
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    0x28(%rbp),%rax
  add    %rdx,%rax
  mov    -0x4(%rbp),%ecx
  mov    0x18(%rbp),%edx
  add    %ecx,%edx
  mov    %edx,(%rax)
  jmp    L100
L30:
  mov    0x18(%rbp),%edx
  mov    0x20(%rbp),%eax
  lea    (%rdx,%rax,1),%ecx
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    0x28(%rbp),%rax
  add    %rdx,%rax
  mov    -0x4(%rbp),%edx
  add    %ecx,%edx
  mov    %edx,(%rax)
L100:
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  mov    -0x8(%rbp),%edx
  movslq %edx,%rcx
  mov    0x30(%rbp),%rdx
  add    %rcx,%rdx
  movzbl (%rax),%eax
  mov    %al,(%rdx)
  jmp    L15
L51:
  negl   -0x4(%rbp)
  mov    -0x4(%rbp),%eax
  cmp    0x18(%rbp),%eax
  jg     L9
  mov    -0x4(%rbp),%eax
  cmp    -0x2c(%rbp),%eax
  jg     L15
  mov    0x18(%rbp),%eax
  sub    -0x4(%rbp),%eax
  mov    %eax,-0x4(%rbp)
  addl   $0x1,-0x8(%rbp)
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    0x28(%rbp),%rax
  add    %rdx,%rax
  mov    -0x4(%rbp),%ecx
  mov    0x20(%rbp),%edx
  add    %ecx,%edx
  mov    %edx,(%rax)
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  mov    -0x8(%rbp),%edx
  movslq %edx,%rcx
  mov    0x30(%rbp),%rdx
  add    %rcx,%rdx
  movzbl (%rax),%eax
  mov    %al,(%rdx)
  jmp    L15
L9:
  mov    0x18(%rbp),%eax
  sub    %eax,-0x4(%rbp)
  mov    -0x4(%rbp),%eax
  cmp    -0x30(%rbp),%eax
  jg     L15
  addl   $0x1,-0x8(%rbp)
  mov    -0x8(%rbp),%eax
  cltq
  lea    0x0(,%rax,4),%rdx
  mov    0x28(%rbp),%rax
  add    %rax,%rdx
  mov    0x20(%rbp),%eax
  sub    -0x4(%rbp),%eax
  mov    %eax,(%rdx)
  mov    -0xc(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  mov    -0x8(%rbp),%edx
  movslq %edx,%rcx
  mov    0x30(%rbp),%rdx
  add    %rcx,%rdx
  movzbl (%rax),%eax
  mov    %al,(%rdx)
L15:
  addl   $0x1,-0xc(%rbp)
L8:
  mov    -0xc(%rbp),%eax
  cmp    -0x24(%rbp),%eax
  jle    L78
  mov    -0x8(%rbp),%eax
  pop    %rbp
  ret
```

assistant: ```c
int filter_positions_v4(int *pos, char *strand, int n, int max_ul, int max_el, int max_il, int ul, int el, int il, int *filtered_pos, char *filtered_strand) {
  int i;
  int in;
  int nout = 0;
  int current_pos;
  for (i = 1; i <= n; i++) {
    current_pos = pos[i];
    if (current_pos > 0) {
      if (current_pos <= max_ul) {
        nout++;
        if (max_il == 0) {
          if (max_el == 0) {
            filtered_pos[nout] = current_pos;
          } else {
            filtered_pos[nout] = current_pos + el;
          }
        } else {
          filtered_pos[nout] = el + il + current_pos;
        }
        filtered_strand[nout] = strand[i];
      }
    } else {
      current_pos = -current_pos;
      if (current_pos <= el) {
        if (current_pos <= max_el) {
          current_pos = el - current_pos;
          nout++;
          filtered_pos[nout] = current_pos + il;
          filtered_strand[nout] = strand[i];
        }
      } else {
        current_pos = current_pos - el;
        if (current_pos <= max_il) {
          nout++;
          filtered_pos[nout] = il - current_pos;
          filtered_strand[nout] = strand[i];
        }
      }
    }
  }
  return nout;
}
```