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

```asm
<main>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  mov    %edi,%ebx
  mov    $0x0,%r13d
  cmp    $0x1,%edi
  jg     L191
L7:
  mov    $0x0,%r15d
  cmp    $0x2,%ebx
  jg     L77
L79:
  mov    D2(%rip),%rbp
L126:
  mov    $0x0,%ebx
  jmp    L161
L191:
  lea    0x8(%rsi),%rbp
  mov    0x8(%rsi),%rdi
  call   <getn@plt>
  mov    %eax,%r13d
  mov    %rbp,%rsi
  jmp    L7
L77:
  mov    0x8(%rsi),%rdi
  call   <getn@plt>
  mov    %eax,%r15d
  jmp    L79
L208:
  add    $0x8,%ebx
  and    $0xfffffff8,%ebx
L53:
  test   %r13d,%r13d
  je     L224
  cmp    %r13d,%ebx
  jge    L201
L224:
  mov    D55(%rip),%rax
  mov    (%rax),%esi
  mov    %r12d,%edi
  call   <putc@plt>
L161:
  mov    0x0(%rbp),%edi
  call   <getc@plt>
  movsbl %al,%r12d
  mov    0x0(%rbp),%edi
  call   <feof@plt>
  test   %rax,%rax
  jne    L241
  cmp    $0x9,%r12d
  je     L208
  cmp    $0x8,%r12d
  je     L75
  add    $0x1,%ebx
  cmp    $0xa,%r12d
  jne    L53
  mov    D55(%rip),%rax
  mov    (%rax),%esi
  mov    $0xa,%edi
  call   <putc@plt>
  jmp    L126
L75:
  cmp    $0x1,%ebx
  adc    $0xffffffff,%ebx
  jmp    L53
L201:
  test   %r15d,%r15d
  sete   0xf(%rsp)
  movzbl 0xf(%rsp),%eax
  cmp    %r15d,%ebx
  jl     L188
  test   %al,%al
  je     L226
L188:
  mov    D2(%rip),%r14
L133:
  mov    (%r14),%edi
  call   <getc@plt>
  movsbl %al,%r12d
  mov    (%r14),%edi
  call   <feof@plt>
  test   %rax,%rax
  jne    L241
  cmp    $0xa,%r12d
  je     L5
  cmp    $0x9,%r12d
  je     L134
  cmp    $0x1,%ebx
  mov    %ebx,%eax
  adc    $0xffffffff,%eax
  add    $0x1,%ebx
  cmp    $0x8,%r12d
  cmove  %eax,%ebx
L33:
  cmp    %r15d,%ebx
  jl     L133
  cmpb   $0x0,0xf(%rsp)
  jne    L133
L226:
  mov    D2(%rip),%r12
L135:
  mov    (%r12),%edi
  call   <getc@plt>
  mov    %eax,%ebx
  movsbl %al,%r14d
  mov    (%r12),%edi
  call   <feof@plt>
  test   %rax,%rax
  jne    L241
  mov    D55(%rip),%rax
  mov    (%rax),%esi
  mov    %r14d,%edi
  call   <putc@plt>
  cmp    $0xa,%bl
  jne    L135
  jmp    L126
L5:
  mov    D55(%rip),%rax
  mov    (%rax),%esi
  mov    $0xa,%edi
  call   <putc@plt>
  jmp    L126
L134:
  add    $0x8,%ebx
  and    $0xfffffff8,%ebx
  jmp    L33
L241:
  mov    D55(%rip),%rax
  mov    (%rax),%edi
  call   <fflush@plt>
  mov    $0x0,%edi
  call   <exit@plt>
  mov    $0x0,%eax
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

assistant: ```c
int main(int argc, char **argv) {
  register c, ct, first, last;
  first = 0;
  last = 0;
  if (argc > 1)
    first = getn(*++argv);
  if (argc > 2)
    last = getn(*++argv);
start:
  ct = 0;
loop1:
  c = getc(stdin);
  if (feof(stdin))
    goto fin;
  if (c == '\t')
    ct = (ct + 8) & ~7;
  else if (c == '\b')
    ct = ct ? ct - 1 : 0;
  else
    ct++;
  if (c == '\n') {
    putc(c, stdout);
    goto start;
  }
  if (!first || ct < first) {
    putc(c, stdout);
    goto loop1;
  }
  while (!last || ct < last) {
    c = getc(stdin);
    if (feof(stdin))
      goto fin;
    if (c == '\n') {
      putc(c, stdout);
      goto start;
    }
    if (c == '\t')
      ct = (ct + 8) & ~7;
    else if (c == '\b')
      ct = ct ? ct - 1 : 0;
    else
      ct++;
  }
  for (;;) {
    c = getc(stdin);
    if (feof(stdin))
      break;
    putc(c, stdout);
    if (c == '\n')
      goto start;
  }
fin:
  fflush(stdout);
  exit(0);
}
```