user: What is the c source code of the assembly code below:

```asm
<TabularCline>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  mov    %rdi,%rbx
  mov    %esi,%r13d
  lea    0x2(%rsi),%edi
  mov    $0x1,%esi
  call   <calloc@plt>
  mov    %rax,%r14
  test   %rbx,%rbx
  je     L80
  mov    %rbx,%rdi
  call   <TabularHline@plt>
  test   %r13d,%r13d
  js     L109
  mov    %r14,%rdx
  lea    0x1(%r13),%ecx
  add    %r14,%rcx
L195:
  mov    %al,(%rdx)
  add    $0x1,%rdx
  cmp    %rcx,%rdx
  jne    L195
L109:
  test   %eax,%eax
  je     L337
L80:
  mov    %r14,%rax
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L337:
  mov    %rbx,%rdi
  call   <strlen@plt>
  movslq %eax,%r15
  add    %rbx,%r15
  cmp    %r15,%rbx
  jb     L149
  jmp    L80
L60:
  add    $0x1,%rbp
  movzbl 0x0(%rbp),%eax
  test   %al,%al
  je     L80
L15:
  cmp    $0x20,%al
  je     L60
  cmp    $0xa,%al
  je     L60
  sub    $0x31,%eax
  cmp    $0x7,%al
  ja     L80
  mov    %rbp,%rdi
  call   <atoi@plt>
  mov    %eax,%r12d
  movzbl 0x0(%rbp),%eax
  test   %al,%al
  je     L95
  cmp    $0x2d,%al
  je     L95
L170:
  add    $0x1,%rbp
  movzbl 0x0(%rbp),%eax
  test   %al,%al
  je     L95
  cmp    $0x2d,%al
  jne    L170
L95:
  lea    0x1(%rbp),%rbx
  movzbl 0x1(%rbp),%eax
  test   %al,%al
  jne    L166
  jmp    L80
L101:
  add    $0x1,%rbx
  movzbl (%rbx),%eax
  test   %al,%al
  je     L80
L166:
  cmp    $0x20,%al
  je     L101
  cmp    $0xa,%al
  je     L101
  sub    $0x31,%eax
  cmp    $0x7,%al
  ja     L80
  mov    %rbx,%rdi
  call   <atoi@plt>
  cmp    %eax,%r12d
  jg     L132
  movslq %r12d,%r12
  jmp    L172
L102:
  movb   $0x1,(%r14,%r12,1)
L251:
  add    $0x1,%r12
  cmp    %r12d,%eax
  jl     L132
L172:
  cmp    %r12d,%r13d
  jl     L251
  test   %r12d,%r12d
  jg     L102
  jmp    L251
L132:
  movzbl (%rbx),%eax
  test   %al,%al
  je     L145
  cmp    $0x7d,%al
  je     L145
L175:
  add    $0x1,%rbx
  movzbl (%rbx),%eax
  test   %al,%al
  je     L145
  cmp    $0x7d,%al
  jne    L175
L145:
  cmp    %rbx,%r15
  jbe    L80
L149:
  lea    D2(%rip),%rsi
  mov    %rbx,%rdi
  call   <strstr@plt>
  test   %rax,%rax
  je     L80
  lea    0x7(%rax),%rbp
  movzbl 0x7(%rax),%eax
  test   %al,%al
  jne    L15
  jmp    L80
```

tool_calls: name: unpack_data
arguments: data_label: D2
data_type: string

tool: D2: \cline{

assistant: ```c
char *TabularCline(const char *row, int columns) {
  char *s, *x;
  int i, n, m;
  char *cline = NULL;
  cline = (char *)calloc((columns + 2), sizeof(char));
  if (row == NULL)
    return cline;
  n = TabularHline(row);
  for (i = 0; i <= columns; i++)
    cline[i] = n;
  if (n)
    return cline;
  s = (char *)row;
  x = (char *)row + strlen(row);
  while (s < x) {
    s = strstr(s, "\\cline{");
    if (s == NULL)
      return cline;
    s += 7;
    while (*s && (*s == ' ' || *s == '\n'))
      s++;
    if (*s <= '0' || *s >= '9')
      return cline;
    n = atoi(s);
    while (*s && *s != '-')
      s++;
    s++;
    while (*s && (*s == ' ' || *s == '\n'))
      s++;
    if (*s <= '0' || *s >= '9')
      return cline;
    m = atoi(s);
    for (i = n; i <= m; i++) {
      if (i <= columns && i >= 1)
        cline[i] = 1;
    }
    while (*s && *s != '}')
      s++;
  }
  return cline;
}
```