user: 请将这段汇编代码片段转换成等效的C代码：

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x420,%rsp
  mov    %edi,-0x414(%rbp)
  mov    %rsi,-0x420(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  movq   $0x0,-0x3f8(%rbp)
  movl   $0x0,-0x408(%rbp)
  movl   $0x0,-0x404(%rbp)
  movl   $0x0,-0x400(%rbp)
  jmp    L64
L68:
  cmpl   $0x6e,-0x3fc(%rbp)
  je     L78
  cmpl   $0x78,-0x3fc(%rbp)
  jne    L119
  movl   $0x1,-0x408(%rbp)
  jmp    L131
L78:
  movl   $0x1,-0x404(%rbp)
  jmp    L131
L119:
  mov    -0x3fc(%rbp),%eax
  mov    %eax,%esi
  lea    D30(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  movl   $0x0,-0x414(%rbp)
  movl   $0xffffffff,-0x400(%rbp)
  nop
L131:
  mov    -0x420(%rbp),%rax
  mov    (%rax),%rax
  lea    0x1(%rax),%rdx
  mov    -0x420(%rbp),%rax
  mov    %rdx,(%rax)
  mov    -0x420(%rbp),%rax
  mov    (%rax),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,-0x3fc(%rbp)
  cmpl   $0x0,-0x3fc(%rbp)
  jne    L68
L64:
  subl   $0x1,-0x414(%rbp)
  cmpl   $0x0,-0x414(%rbp)
  jle    L120
  addq   $0x8,-0x420(%rbp)
  mov    -0x420(%rbp),%rax
  mov    (%rax),%rax
  movzbl (%rax),%eax
  cmp    $0x2d,%al
  je     L131
L120:
  cmpl   $0x1,-0x414(%rbp)
  je     L23
  lea    D26(%rip),%rax
  mov    %rax,%rdi
  call   <puts@plt>
  jmp    L113
L61:
  addq   $0x1,-0x3f8(%rbp)
  mov    -0x420(%rbp),%rax
  mov    (%rax),%rdx
  lea    -0x3f0(%rbp),%rax
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strstr@plt>
  test   %rax,%rax
  setne  %al
  movzbl %al,%eax
  cmp    %eax,-0x408(%rbp)
  je     L23
  cmpl   $0x0,-0x404(%rbp)
  je     L47
  mov    -0x3f8(%rbp),%rax
  mov    %rax,%rsi
  lea    D27(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
L47:
  lea    -0x3f0(%rbp),%rax
  mov    %rax,%rsi
  lea    D39(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  addl   $0x1,-0x400(%rbp)
L23:
  lea    -0x3f0(%rbp),%rax
  mov    $0x3e8,%esi
  mov    %rax,%rdi
  call   <getlin@plt>
  test   %rax,%rax
  jg     L61
L113:
  mov    -0x400(%rbp),%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L33
  call   <__stack_chk_fail@plt>
L33:
  leave
  ret
```

tool_calls: name: read_data
arguments: label: D30
data_type: string
name: read_data
arguments: label: D26
data_type: string
name: read_data
arguments: label: D27
data_type: string
name: read_data
arguments: label: D39
data_type: string

tool: D30: find: illegal option %c


tool: D26: Usage: find -x -n pattern

tool: D27: %1d:

tool: D39: %s

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 (getlin(line, 1000) > 0) {
      lineno++;
      if ((strstr(line, *argv) != NULL) != except) {
        if (number)
          printf("%1d:", lineno);
        printf("%s", line);
        found++;
      }
    }
  return found;
}
```