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

```asm
<subsk>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x48,%rsp
  mov    %rdi,%r14
  mov    %rsi,%r12
  mov    %edx,0x18(%rsp)
  mov    %ecx,0x1c(%rsp)
  mov    %fs:0x28,%rax
  mov    %rax,0x38(%rsp)
  xor    %eax,%eax
  call   <strlen@plt>
  mov    %eax,0x10(%rsp)
  mov    %r14,%rdi
  call   <is_comment@plt>
  mov    $0x0,%r15d
  mov    $0x0,%ebx
  test   %rax,%rax
  je     L82
  mov    %r14,%rsi
  mov    %r12,%rdi
  call   <strcpy@plt>
  jmp    L93
L190:
  mov    %ebx,%esi
  mov    %r14,%rdi
  call   <not_ker@plt>
  test   %rax,%rax
  jne    L64
L116:
  movslq %r15d,%rax
  mov    %r13b,(%r12,%rax,1)
  add    $0x1,%ebx
  add    $0x1,%r15d
L159:
  cmp    0x10(%rsp),%ebx
  jge    L179
L82:
  movslq %ebx,%rbp
  movzbl (%r14,%rbp,1),%r13d
  movzbl 0x1(%r14,%rbp,1),%eax
  cmp    $0x5b,%r13b
  sete   %dl
  cmp    $0x6a,%al
  je     L315
  test   %dl,%dl
  jne    L190
L315:
  cmp    $0x6a,%al
  jne    L116
  test   %dl,%dl
  je     L116
  cmpl   $0x0,0x1c(%rsp)
  je     L22
L80:
  lea    0x3(%rbx),%ebp
  add    $0x2,%ebx
  movslq %ebx,%rbx
  add    %r14,%rbx
  movl   $0x0,0x14(%rsp)
  movl   $0x1,0xc(%rsp)
  mov    $0x0,%r13d
  jmp    L96
L64:
  lea    0x1(%rbx),%eax
  cltq
  lea    0x20(%rsp),%rsi
  sub    %rbp,%rsi
L304:
  mov    %eax,%edx
  sub    %ebx,%edx
  sub    $0x1,%edx
  mov    %eax,%edi
  add    $0x1,%rax
  movzbl -0x1(%r14,%rax,1),%ecx
  cmp    $0x5d,%cl
  je     L119
  mov    %cl,-0x2(%rsi,%rax,1)
  jmp    L304
L119:
  lea    0x1(%rdi),%ebx
  movslq %edx,%rdx
  movb   $0x0,0x20(%rsp,%rdx,1)
  lea    0x20(%rsp),%rbp
  mov    %rbp,%rdi
  call   <atoi@plt>
  mov    %eax,%edx
  lea    D8(%rip),%rsi
  mov    %rbp,%rdi
  call   <sprintf@plt>
  mov    %rbp,%rdi
  call   <strlen@plt>
  test   %eax,%eax
  jle    L159
  movslq %r15d,%rcx
  lea    -0x1(%rax),%edx
  lea    0x1(%rcx,%rdx,1),%rdi
  mov    %rcx,%rdx
  mov    %rbp,%rsi
  sub    %rcx,%rsi
L111:
  movzbl (%rsi,%rdx,1),%ecx
  mov    %cl,(%r12,%rdx,1)
  add    $0x1,%rdx
  cmp    %rdx,%rdi
  jne    L111
  add    %eax,%r15d
  jmp    L159
L22:
  mov    %r14,%rsi
  lea    D35(%rip),%rdi
  call   <printf@plt>
  mov    $0x0,%edi
  call   <exit@plt>
  jmp    L80
L8:
  movslq %r15d,%rax
  movb   $0x0,(%r12,%rax,1)
  mov    %r14,%rsi
  lea    D15(%rip),%rdi
  call   <plintf@plt>
  mov    $0x0,%edi
  call   <exit@plt>
  jmp    L129
L276:
  cmp    $0x2b,%al
  jne    L63
  movl   $0x1,0xc(%rsp)
L167:
  add    $0x1,%ebp
  add    $0x1,%rbx
L96:
  lea    -0x1(%rbp),%eax
  cmp    %eax,0x10(%rsp)
  jle    L8
L129:
  movzbl (%rbx),%eax
  cmp    $0x2d,%al
  je     L154
  jg     L292
  cmp    $0x2a,%al
  jne    L276
  movl   $0x1,0x14(%rsp)
  movl   $0x1,0xc(%rsp)
  jmp    L167
L292:
  cmp    $0x5d,%al
  jne    L63
  movslq %r13d,%r13
  movb   $0x0,0x20(%rsp,%r13,1)
  cmpl   $0x0,0x14(%rsp)
  jne    L240
  lea    0x20(%rsp),%rdi
  call   <atoi@plt>
  imul   0xc(%rsp),%eax
  mov    0x18(%rsp),%edi
  lea    (%rax,%rdi,1),%edx
L21:
  lea    0x20(%rsp),%rbx
  lea    D8(%rip),%rsi
  mov    %rbx,%rdi
  call   <sprintf@plt>
  mov    %rbx,%rdi
  call   <strlen@plt>
  test   %eax,%eax
  jle    L175
  movslq %r15d,%rcx
  lea    -0x1(%rax),%edx
  lea    0x1(%rcx,%rdx,1),%rdi
  mov    %rcx,%rdx
  mov    %rbx,%rsi
  sub    %rcx,%rsi
L52:
  movzbl (%rsi,%rdx,1),%ecx
  mov    %cl,(%r12,%rdx,1)
  add    $0x1,%rdx
  cmp    %rdi,%rdx
  jne    L52
  add    %eax,%r15d
L175:
  mov    %ebp,%ebx
  jmp    L159
L240:
  lea    0x20(%rsp),%rdi
  call   <atoi@plt>
  imul   0x18(%rsp),%eax
  mov    %eax,%edx
  jmp    L21
L63:
  movslq %r13d,%rdx
  mov    %al,0x20(%rsp,%rdx,1)
  add    $0x1,%r13d
  jmp    L167
L154:
  movl   $0xffffffff,0xc(%rsp)
  jmp    L167
L179:
  movslq %r15d,%rax
  movb   $0x0,(%r12,%rax,1)
L93:
  mov    0x38(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L164
  add    $0x48,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L164:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: data_label: D8
data_type: string
name: unpack_data
arguments: data_label: D35
data_type: string
name: unpack_data
arguments: data_label: D15
data_type: string

tool: D8: %d

tool: D35:  Illegal use of [j] at %s 


tool: D15: Error in %s The expression does not terminate. Perhaps a ] is missing.


assistant: ```c
void subsk(char *big, char *new, int k, int flag) {
  int i, n = strlen(big), inew, add, inum, j, m, isign, ok, multflag = 0;
  char ch, chp, num[20];
  inew = 0;
  i = 0;
  if (is_comment(big)) {
    strcpy(new, big);
    return;
  }
  while (1) {
    ch = big[i];
    chp = big[i + 1];
    if (ch == '[' && chp != 'j' && not_ker(big, i)) {
      ok = 1;
      add = 0;
      inum = 0;
      isign = 1;
      i++;
      while (ok) {
        ch = big[i];
        if (ch == ']') {
          i++;
          num[inum] = 0;
          add = atoi(num);
          sprintf(num, "%d", add);
          m = strlen(num);
          for (j = 0; j < m; j++) {
            new[inew] = num[j];
            inew++;
          }
          ok = 0;
        } else {
          i++;
          num[inum] = ch;
          inum++;
        }
      }
    } else if (ch == '[' && chp == 'j') {
      if (flag == 0) {
        printf(" Illegal use of [j] at %s \n", big);
        exit(0);
      }
      add = 0;
      inum = 0;
      isign = 1;
      i += 2;
      ok = 1;
      while (ok) {
        if (i >= n) {
          new[inew] = 0;
          plintf("Error in %s The expression does not terminate. Perhaps a ] "
                 "is missing.\n",
                 big);
          exit(0);
        }
        ch = big[i];
        switch (ch) {
        case '+':
          isign = 1;
          i++;
          break;
        case '-':
          isign = -1;
          i++;
          break;
        case '*':
          i++;
          isign = 1;
          multflag = 1;
          break;
        case ']':
          i++;
          num[inum] = 0;
          if (multflag == 0) {
            add = atoi(num) * isign + k;
          } else {
            add = atoi(num) * k;
            multflag = 0;
          }
          sprintf(num, "%d", add);
          m = strlen(num);
          for (j = 0; j < m; j++) {
            new[inew] = num[j];
            inew++;
          }
          ok = 0;
          break;
        default:
          i++;
          num[inum] = ch;
          inum++;
          break;
        }
      }
    } else {
      new[inew] = ch;
      i++;
      inew++;
    }
    if (i >= n)
      break;
  }
  new[inew] = 0;
}
```