user: 请将以下的汇编代码转换成C语言代码：

```asm
<main>:
  endbr64
  push   %r15
  sub    $0x1,%edi
  xor    %r15d,%r15d
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x3f8,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x3e8(%rsp)
  xor    %eax,%eax
  test   %edi,%edi
  jle    L147
  mov    %rsi,%r14
  xor    %ebp,%ebp
  lea    D7(%rip),%r12
  xor    %ebx,%ebx
  nopl   0x0(%rax)
L153:
  mov    0x8(%r14),%rax
  add    $0x8,%r14
  cmpb   $0x2d,(%rax)
  jne    L66
  nopl   0x0(%rax)
L21:
  lea    0x1(%rax),%rcx
  mov    %rcx,(%r14)
  movsbl 0x1(%rax),%esi
  mov    %esi,%eax
  test   %esi,%esi
  je     L37
  cmp    $0x6e,%al
  je     L103
L136:
  cmp    $0x78,%al
  je     L48
  mov    %r12,%rdi
  xor    %eax,%eax
  mov    $0xffffffff,%r15d
  call   <printf@plt>
  mov    (%r14),%rax
  lea    0x1(%rax),%rcx
  mov    %rcx,(%r14)
  movsbl 0x1(%rax),%esi
  mov    %esi,%eax
  test   %esi,%esi
  je     L147
  xor    %edi,%edi
  cmp    $0x6e,%al
  jne    L136
L103:
  mov    $0x1,%ebp
L102:
  mov    (%r14),%rax
  jmp    L21
  nopl   (%rax)
L48:
  mov    $0x1,%ebx
  jmp    L102
  nopw   0x0(%rax,%rax,1)
L37:
  sub    $0x1,%edi
  test   %edi,%edi
  jg     L153
L147:
  lea    D38(%rip),%rdi
  call   <puts@plt>
L151:
  mov    0x3e8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L118
  add    $0x3f8,%rsp
  mov    %r15d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L66:
  xor    %r13d,%r13d
  sub    $0x1,%edi
  mov    %rsp,%r12
  jne    L147
  nopw   0x0(%rax,%rax,1)
L63:
  mov    $0x3e8,%esi
  mov    %r12,%rdi
  call   <mygetline@plt>
  test   %rax,%rax
  jle    L151
  mov    (%r14),%rsi
  mov    %r12,%rdi
  add    $0x1,%r13
  call   <strstr@plt>
  test   %rax,%rax
  setne  %al
  movzbl %al,%eax
  cmp    %ebx,%eax
  je     L63
  test   %ebp,%ebp
  jne    L42
L133:
  mov    %r12,%rsi
  lea    D20(%rip),%rdi
  xor    %eax,%eax
  add    $0x1,%r15d
  call   <printf@plt>
  jmp    L63
  nopl   0x0(%rax)
L42:
  mov    %r13,%rsi
  lea    D1(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  jmp    L133
L118:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: data_tag: D7
type_infered: string
name: retrieve_data
arguments: data_tag: D38
type_infered: string
name: retrieve_data
arguments: data_tag: D20
type_infered: string
name: retrieve_data
arguments: data_tag: D1
type_infered: string

tool: D7: find: illegal option %c


tool: D38: Usage: find -x -n pattern

tool: D20: %s

tool: D1: %ld:

assistant: ```c
main(int argc, char *argv[]) {
  char line[1000];
  long lineno = 0;
  int c, except = 0, number = 0, found = 0;
  while (--argc > 0 && (*++argv)[0] == '-')
    while (c = *++argv[0])
      switch (c) {
      case 'x':
        except = 1;
        break;
      case 'n':
        number = 1;
        break;
      default:
        printf("find: illegal option %c\n", c);
        argc = 0;
        found = -1;
        break;
      }
  if (argc != 1)
    printf("Usage: find -x -n pattern\n");
  else
    while (mygetline(line, 1000) > 0) {
      lineno++;
      if ((strstr(line, *argv) != NULL) != except) {
        if (number)
          printf("%ld:", lineno);
        printf("%s", line);
        found++;
      }
    }
  return found;
}
```