user: Please show me the C implementation that matches the assembly code listed below:

```asm
<__libnet_internal__get_setting>:
  endbr64
  push   %r13
  push   %r12
  mov    %rdx,%r12
  push   %rbp
  push   %rbx
  sub    $0x8,%rsp
  test   %rdx,%rdx
  sete   %al
  test   %rdi,%rdi
  sete   %dl
  or     %dl,%al
  jne    L66
  mov    %rdi,%rbp
  mov    %rsi,%r13
  lea    D29(%rip),%rbx
  test   %rsi,%rsi
  jne    L189
  jmp    L66
  nopl   (%rax)
L258:
  movzbl (%rbx),%eax
  cmp    $0x23,%al
  jne    L159
L189:
  mov    %rbx,%rdi
  mov    %rbp,%rdx
  mov    $0x400,%esi
  call   <fgets@plt>
  mov    %rbx,%rdi
  call   <strlen@plt>
  cmp    $0x3ff,%eax
  je     L110
  mov    %rbp,%rdi
  call   <feof@plt>
  test   %eax,%eax
  je     L258
L236:
  cmpb   $0x23,D29(%rip)
  jne    L238
L66:
  add    $0x8,%rsp
  mov    $0x1,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopw   0x0(%rax,%rax,1)
L177:
  mov    %rbp,%rdx
  mov    $0x400,%esi
  mov    %rbx,%rdi
  call   <fgets@plt>
  test   %rax,%rax
  je     L11
L110:
  mov    %rbx,%rdi
  call   <strlen@plt>
  cmp    $0x3ff,%eax
  je     L177
L11:
  mov    %rbp,%rdi
  movb   $0x0,D29(%rip)
  call   <feof@plt>
  test   %eax,%eax
  je     L258
  jmp    L236
  nopl   (%rax)
L238:
  mov    $0x3d,%esi
  mov    %rbx,%rdi
  call   <strchr@plt>
  test   %rax,%rax
  je     L66
  lea    0x1(%rax),%rdx
  mov    %rbx,0x0(%r13)
  mov    %rdx,(%r12)
  movb   $0x0,(%rax)
  mov    (%r12),%rax
  jmp    L31
  nopw   0x0(%rax,%rax,1)
L150:
  mov    (%r12),%rax
  add    $0x1,%rax
  mov    %rax,(%r12)
L31:
  movsbl (%rax),%edi
  call   <isspace@plt>
  test   %rax,%rax
  jne    L150
  mov    (%r12),%rdi
  xor    %esi,%esi
  call   <strchr@plt>
  lea    -0x1(%rax),%rbx
  cmp    (%r12),%rbx
  jae    L42
  jmp    L86
L18:
  sub    $0x1,%rbx
  movb   $0x0,0x1(%rbx)
  cmp    %rbx,(%r12)
  ja     L86
L42:
  movsbl (%rbx),%edi
  call   <isspace@plt>
  test   %rax,%rax
  jne    L18
L86:
  mov    0x0(%r13),%rax
  jmp    L52
  nopl   0x0(%rax)
L22:
  mov    0x0(%r13),%rax
  add    $0x1,%rax
  mov    %rax,0x0(%r13)
L52:
  movsbl (%rax),%edi
  call   <isspace@plt>
  test   %rax,%rax
  jne    L22
  mov    0x0(%r13),%rdi
  xor    %esi,%esi
  call   <strchr@plt>
  lea    -0x1(%rax),%rbx
  cmp    0x0(%r13),%rbx
  jae    L88
  jmp    L181
  nopl   0x0(%rax,%rax,1)
L230:
  sub    $0x1,%rbx
  movb   $0x0,0x1(%rbx)
  cmp    %rbx,0x0(%r13)
  ja     L181
L88:
  movsbl (%rbx),%edi
  call   <isspace@plt>
  test   %rax,%rax
  jne    L230
L181:
  add    $0x8,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
  nopl   0x0(%rax,%rax,1)
L159:
  cmp    $0x5b,%al
  je     L238
  mov    $0x3d,%esi
  mov    %rbx,%rdi
  call   <strchr@plt>
  test   %rax,%rax
  je     L189
  jmp    L236
```

assistant: ```c
int __libnet_internal__get_setting(FILE *fp, char **option, char **value) {
  static char buffer[1024];
  char *chp;
  if ((!option) || (!value) || (!fp))
    return 1;
  do {
    fgets(buffer, 1024, fp);
    if (strlen(buffer) == 1023) {
      while ((strlen(buffer) == 1023) && fgets(buffer, 1024, fp))
        ;
      buffer[0] = 0;
    }
  } while ((!feof(fp)) && ((buffer[0] == '#') || ((buffer[0] != '[') && (!strchr(buffer, '=')))));
  if ((buffer[0] != '#') && (chp = strchr(buffer, '='))) {
    *option = buffer;
    *value = chp + 1;
    *chp = 0;
    while (isspace((unsigned)**value))
      (*value)++;
    chp = strchr(*value, 0) - 1;
    while ((chp >= *value) && isspace((unsigned)*chp))
      *chp-- = 0;
    while (isspace((unsigned)**option))
      (*option)++;
    chp = strchr(*option, 0) - 1;
    while ((chp >= *option) && isspace((unsigned)*chp))
      *chp-- = 0;
    return 0;
  }
  return 1;
}
```