user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<serveConnection>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x440,%rsp
  mov    %rdi,-0x438(%rbp)
  mov    %esi,-0x43c(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    -0x438(%rbp),%rax
  mov    %rax,-0x420(%rbp)
  jmp    L138
L15:
  mov    D56(%rip),%rax
  mov    (%rax),%edx
  mov    D2(%rip),%rax
  mov    (%rax),%eax
  or     %edx,%eax
  mov    %eax,-0x424(%rbp)
  lea    -0x410(%rbp),%rax
  mov    %rax,-0x418(%rbp)
  jmp    L132
L63:
  cmpb   $0x3c,-0x425(%rbp)
  jne    L66
  movl   $0x0,-0x424(%rbp)
  jmp    L84
L49:
  mov    -0x424(%rbp),%edx
  mov    %edx,%eax
  shl    $0x2,%eax
  add    %edx,%eax
  add    %eax,%eax
  mov    %eax,%edx
  mov    -0x420(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  sub    $0x30,%eax
  add    %edx,%eax
  mov    %eax,-0x424(%rbp)
L84:
  addq   $0x1,-0x420(%rbp)
  mov    -0x420(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <isdigit@plt>
  test   %rax,%rax
  jne    L49
  mov    D59(%rip),%rax
  mov    (%rax),%edx
  mov    D28(%rip),%rax
  mov    (%rax),%eax
  or     %edx,%eax
  not    %eax
  and    -0x424(%rbp),%eax
  test   %eax,%eax
  je     L43
  mov    D56(%rip),%rax
  mov    (%rax),%edx
  mov    D2(%rip),%rax
  mov    (%rax),%eax
  or     %edx,%eax
  mov    %eax,-0x424(%rbp)
  jmp    L43
L66:
  cmpb   $0xa,-0x425(%rbp)
  jne    L122
  mov    -0x418(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x418(%rbp)
  movb   $0x20,(%rax)
  jmp    L43
L122:
  movzbl -0x425(%rbp),%eax
  mov    %eax,%edi
  call   <iscntrl@plt>
  test   %rax,%rax
  je     L0
  cmpb   $0x7e,-0x425(%rbp)
  ja     L0
  mov    -0x418(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x418(%rbp)
  movb   $0x5e,(%rax)
  movzbl -0x425(%rbp),%eax
  xor    $0x40,%eax
  mov    %eax,%ecx
  mov    -0x418(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x418(%rbp)
  mov    %ecx,%edx
  mov    %dl,(%rax)
  jmp    L43
L0:
  mov    -0x418(%rbp),%rax
  lea    0x1(%rax),%rdx
  mov    %rdx,-0x418(%rbp)
  movzbl -0x425(%rbp),%edx
  mov    %dl,(%rax)
L43:
  addq   $0x1,-0x420(%rbp)
L132:
  mov    -0x420(%rbp),%rax
  movzbl (%rax),%eax
  mov    %al,-0x425(%rbp)
  cmpb   $0x0,-0x425(%rbp)
  je     L109
  lea    -0x410(%rbp),%rax
  add    $0x400,%rax
  cmp    %rax,-0x418(%rbp)
  jb     L63
L109:
  mov    -0x418(%rbp),%rax
  movb   $0x0,(%rax)
  addq   $0x1,-0x420(%rbp)
  lea    -0x410(%rbp),%rdx
  mov    -0x424(%rbp),%eax
  mov    %rdx,%rsi
  mov    %eax,%edi
  call   <logMessage@plt>
L138:
  mov    -0x43c(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x438(%rbp),%rax
  add    %rdx,%rax
  cmp    %rax,-0x420(%rbp)
  jb     L15
  mov    -0x43c(%rbp),%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L123
  call   <__stack_chk_fail@plt>
L123:
  leave
  ret
```

assistant: ```c
int serveConnection(char *tmpbuf, int n_read) {
  char *p = tmpbuf;
  while (p < tmpbuf + n_read) {
    int pri = (LOG_USER | LOG_NOTICE);
    char line[1024 + 1];
    unsigned char c;
    char *q = line;
    while ((c = *p) && q < &line[sizeof(line) - 1]) {
      if (c == '<') {
        pri = 0;
        while (isdigit(*(++p))) {
          pri = 10 * pri + (*p - '0');
        }
        if (pri & ~(LOG_FACMASK | LOG_PRIMASK)) {
          pri = (LOG_USER | LOG_NOTICE);
        }
      } else if (c == '\n') {
        *q++ = ' ';
      } else if (iscntrl(c) && (c < 0177)) {
        *q++ = '^';
        *q++ = c ^ 0100;
      } else {
        *q++ = c;
      }
      p++;
    }
    *q = '\0';
    p++;
    logMessage(pri, line);
  }
  return n_read;
}
```