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

```asm
<debian_valid_section>:
  endbr64
  push   %r15
  mov    %rdi,%r15
  push   %r14
  push   %r13
  mov    $0xffffffff,%r13d
  push   %r12
  xor    %r12d,%r12d
  push   %rbp
  push   %rbx
  xor    %ebx,%ebx
  sub    $0x228,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x218(%rsp)
  xor    %eax,%eax
  lea    0x8(%rsp),%rdi
  call   <get_sections@plt>
  mov    %eax,%r14d
  jmp    L68
  nopl   (%rax)
L100:
  movsbl (%r15,%rbx,1),%esi
  lea    -0x61(%rsi),%eax
  cmp    $0x19,%al
  jbe    L0
  mov    %esi,%eax
  and    $0xfffffffd,%eax
  cmp    $0x2d,%al
  jne    L123
L0:
  cmp    $0x2f,%sil
  jne    L122
  add    $0x1,%r12d
  mov    %ebp,%r13d
L122:
  add    $0x1,%rbx
L68:
  mov    %r15,%rdi
  mov    %ebx,%ebp
  call   <strlen@plt>
  cmp    %ebx,%eax
  jg     L100
  xor    %ebx,%ebx
  cmp    $0x1,%r12d
  jg     L14
  mov    0x8(%rsp),%r12
  jne    L38
  test   %r13d,%r13d
  jle    L86
  lea    0x10(%rsp),%rbp
  movslq %r13d,%rdx
  mov    %r15,%rsi
  mov    %rbp,%rdi
  call   <memcpy@plt>
  movslq %r13d,%rax
L161:
  mov    %r12,%rsi
  mov    %r14d,%edx
  mov    %rbp,%rdi
  movb   $0x0,0x10(%rsp,%rax,1)
  call   <match_string@plt>
  lea    0x1(%r13),%ebx
  movslq %r13d,%r12
  movslq %ebx,%rbx
  test   %rax,%rax
  jne    L125
  jmp    L89
  nopw   0x0(%rax,%rax,1)
L37:
  movzbl (%r15,%rbx,1),%edx
  mov    %rbp,%rax
  sub    %r12,%rax
  mov    %dl,-0x1(%rax,%rbx,1)
  add    $0x1,%rbx
L125:
  mov    %r15,%rdi
  call   <strlen@plt>
  mov    %eax,%r8d
  mov    %ebx,%eax
  sub    %r13d,%eax
  sub    $0x1,%eax
  cmp    %ebx,%r8d
  jg     L37
  mov    0x8(%rsp),%rsi
  cltq
  mov    %r14d,%edx
  mov    %rbp,%rdi
  movb   $0x0,0x10(%rsp,%rax,1)
  call   <match_string@plt>
  test   %rax,%rax
  jne    L80
L89:
  mov    %rbp,%rsi
  lea    D14(%rip),%rdi
  xor    %eax,%eax
  xor    %ebx,%ebx
  call   <printf@plt>
  nopw   0x0(%rax,%rax,1)
L14:
  mov    0x218(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L97
  add    $0x228,%rsp
  mov    %ebx,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopw   0x0(%rax,%rax,1)
L123:
  mov    %r15,%rcx
  mov    %esi,%edx
  lea    D5(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  xor    %ebx,%ebx
  jmp    L14
  nopw   0x0(%rax,%rax,1)
L38:
  mov    %r14d,%edx
  mov    %r12,%rsi
  mov    %r15,%rdi
  call   <match_string@plt>
  test   %rax,%rax
  je     L115
L80:
  mov    $0x1,%ebx
  jmp    L14
L115:
  mov    %r15,%rsi
  lea    D14(%rip),%rdi
  call   <printf@plt>
  jmp    L14
L86:
  xor    %eax,%eax
  lea    0x10(%rsp),%rbp
  jmp    L161
L97:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: tag: D14
datatype: string
name: retrieve_data
arguments: tag: D5
datatype: string

tool: D14: %s is not a permissable subsection name


tool: D5: %d %c %s
Sections should only contain lower case letters or hyphens, with no spaces


assistant: ```c
int debian_valid_section(char *section) {
  int i, j = -1, ctr = 0;
  char subsection[512];
  char **sections;
  int no_of_sections = get_sections(&sections);
  for (i = 0; i < strlen(section); i++) {
    if (((section[i] >= 'a') && (section[i] <= 'z')) || (section[i] == '-') || (section[i] == '/')) {
      if (section[i] == '/') {
        ctr++;
        j = i;
      }
    } else {
      printf("%d %c %s\nSections should only contain lower "
             "case letters or hyphens, with no spaces\n",
             (int)section[i], section[i], section);
      return 0;
    }
  }
  if (ctr > 1)
    return 0;
  if (ctr == 1) {
    for (i = 0; i < j; i++) {
      subsection[i] = section[i];
    }
    subsection[i] = 0;
    if (match_string(subsection, sections, no_of_sections) == 0) {
      printf("%s is not a permissable subsection name\n", subsection);
      return 0;
    }
    for (i = j + 1; i < strlen(section); i++) {
      subsection[i - (j + 1)] = section[i];
    }
    subsection[i - (j + 1)] = 0;
    if (match_string(subsection, sections, no_of_sections) == 0) {
      printf("%s is not a permissable subsection name\n", subsection);
      return 0;
    }
  } else {
    if (match_string(section, sections, no_of_sections) == 0) {
      printf("%s is not a permissable subsection name\n", section);
      return 0;
    }
  }
  return 1;
}
```