user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<main>:
  endbr64
  push   %rbp
  lea    D9(%rip),%rsi
  lea    D111(%rip),%rdi
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbx
  sub    $0xa8,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  mov    %rsp,-0xc8(%rbp)
  call   <fopen@plt>
  test   %rax,%rax
  je     L71
  lea    -0x50(%rbp),%r12
  mov    %rax,%rdx
  mov    $0x4,%esi
  mov    %rax,%rbx
  mov    %r12,%rdi
  call   <fgets@plt>
  test   %rax,%rax
  je     L29
  lea    -0x4c(%rbp),%rdi
  mov    $0x4,%edx
  mov    %r12,%rsi
  call   <memcpy@plt>
  movb   $0x0,-0x48(%rbp)
L29:
  mov    %rbx,%rdi
  lea    D116(%rip),%r12
  call   <fclose@plt>
  lea    D119(%rip),%rsi
  mov    %r12,%rdi
  call   <fopen@plt>
  mov    %rax,%rbx
  test   %rax,%rax
  je     L14
L106:
  lea    -0x80(%rbp),%rax
  mov    %rbx,-0x98(%rbp)
  lea    -0x48(%rbp),%r15
  mov    %rax,-0xc0(%rbp)
  lea    -0x70(%rbp),%rax
  lea    -0x40(%rbp),%r14
  mov    %rax,-0xb8(%rbp)
  lea    D15(%rip),%r12
  movl   $0x64,-0x9c(%rbp)
  nopl   0x0(%rax,%rax,1)
L127:
  mov    %r15,%rdi
  call   <pipe@plt>
  mov    %r14,%rdi
  call   <pipe@plt>
  mov    -0xc0(%rbp),%rdi
  xor    %esi,%esi
  call   <gettimeofday@plt>
  call   <fork@plt>
  cmp    $0xffffffff,%eax
  je     L54
  lea    -0x54(%rbp),%r13
  test   %eax,%eax
  jne    L34
  mov    %r15,%rdi
  lea    -0x4c(%rbp),%rdx
  mov    %r13,%r8
  mov    %r14,%rsi
  lea    D46(%rip),%rcx
  call   <runpipe@plt>
  xor    %edi,%edi
  call   <exit@plt>
L34:
  lea    -0x84(%rbp),%rbx
  nopl   0x0(%rax,%rax,1)
L128:
  mov    %rbx,%rdi
  call   <wait@plt>
  cmp    $0xffffffff,%eax
  jne    L128
  mov    -0x3c(%rbp),%edi
  call   <close@plt>
  lea    D46(%rip),%rdi
  call   <strlen@plt>
  mov    -0x40(%rbp),%edi
  mov    %r13,%rsi
  mov    %eax,%edx
  call   <read@plt>
  test   %eax,%eax
  js     L37
  mov    %eax,-0xb0(%rbp)
  fildl  -0xb0(%rbp)
  sub    $0x10,%rsp
  movslq %eax,%rdx
  movb   $0x0,-0x54(%rbp,%rdx,1)
  lea    D34(%rip),%rdi
  fstpt  (%rsp)
  call   <printf@plt>
  pop    %rdi
  pop    %r8
L47:
  mov    -0xb8(%rbp),%rdi
  xor    %esi,%esi
  call   <gettimeofday@plt>
  mov    -0x70(%rbp),%rax
  sub    -0x80(%rbp),%rax
  mov    %r12,%rdi
  mov    %rax,-0xb0(%rbp)
  mov    -0x68(%rbp),%rax
  sub    $0x10,%rsp
  fildll -0xb0(%rbp)
  sub    -0x78(%rbp),%rax
  mov    %rax,-0xb0(%rbp)
  fdivs  0xc49(%rip)        # 20a8 <_fini+0xa6c>
  fildll -0xb0(%rbp)
  faddp  %st,%st(1)
  fld    %st(0)
  fstpt  (%rsp)
  fstpt  -0xb0(%rbp)
  call   <printf@plt>
  fldt   -0xb0(%rbp)
  sub    $0x10,%rsp
  lea    D83(%rip),%rdi
  fld    %st(0)
  fstpt  (%rsp)
  fstpt  -0xb0(%rbp)
  call   <printf@plt>
  fldt   -0xb0(%rbp)
  pop    %rax
  mov    %r12,%rsi
  pop    %rdx
  mov    -0x98(%rbp),%rbx
  fstpt  (%rsp)
  mov    %rbx,%rdi
  call   <fprintf@plt>
  mov    %rbx,%rdi
  call   <fflush@plt>
  pop    %rcx
  pop    %rsi
  subl   $0x1,-0x9c(%rbp)
  jne    L127
  mov    -0x98(%rbp),%rdi
  call   <fclose@plt>
  xor    %edi,%edi
  call   <exit@plt>
  mov    -0xc8(%rbp),%rsp
  xor    %eax,%eax
L114:
  mov    -0x38(%rbp),%rdx
  sub    %fs:0x28,%rdx
  jne    L58
  lea    -0x28(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
  cs nopw 0x0(%rax,%rax,1)
L54:
  lea    D93(%rip),%rdi
  call   <perror@plt>
  mov    $0x1,%edi
  call   <exit@plt>
  jmp    L47
  nopl   0x0(%rax,%rax,1)
L37:
  lea    D17(%rip),%rdi
  call   <perror@plt>
  jmp    L47
L14:
  mov    %r12,%rdi
  call   <perror@plt>
  mov    $0x1,%edi
  call   <exit@plt>
  jmp    L106
L58:
  call   <__stack_chk_fail@plt>
L71:
  lea    D0(%rip),%rdi
  call   <perror@plt>
  or     $0xffffffff,%eax
  jmp    L114
```

tool_calls: name: retrieve_data
arguments: label: D9
type_infered: string
name: retrieve_data
arguments: label: D111
type_infered: string
name: retrieve_data
arguments: label: D116
type_infered: string
name: retrieve_data
arguments: label: D119
type_infered: string
name: retrieve_data
arguments: label: D15
type_infered: string
name: retrieve_data
arguments: label: D46
type_infered: string
name: retrieve_data
arguments: label: D34
type_infered: string
name: retrieve_data
arguments: label: D83
type_infered: string
name: retrieve_data
arguments: label: D93
type_infered: string
name: retrieve_data
arguments: label: D17
type_infered: string
name: retrieve_data
arguments: label: D0
type_infered: string

tool: D9: r

tool: D111: 512KB.txt

tool: D116: /home/george/Documents/C/pipe64K.txt

tool: D119: wt+

tool: D15: %Lf


tool: D46: k

tool: D34: read %d bytes from the pipe2 


tool: D83: time spend (half of bi-direction): %Lf


tool: D93: fork

tool: D17: read

tool: D0: Error opening file

assistant: ```c
int main(int argc, char **argv) {
  int pid, status;
  int fd1[2];
  int fd2[2];
  int bytes = 4;
  char buf[bytes];
  int n2;
  struct timeval start, end;
  FILE *fp;
  char str[bytes];
  char string[bytes];
  fp = fopen("512KB.txt", "r");
  if (fp == NULL) {
    perror("Error opening file");
    return (-1);
  }
  if (fgets(str, bytes, fp) != NULL) {
    memcpy(string, str, bytes);
    string[bytes] = '\0';
  }
  fclose(fp);
  char *data1 = string;
  char *data2 = "k";
  FILE *fp2;
  if ((fp2 = fopen("/home/george/Documents/C/pipe64K.txt", "wt+")) == NULL) {
    perror("/home/george/Documents/C/pipe64K.txt");
    exit(1);
  }
  int i = 0;
  for (i; i < 100; i++) {
    pipe(fd1);
    pipe(fd2);
    gettimeofday(&start, NULL);
    switch (pid = fork()) {
    case 0:
      runpipe(fd1, fd2, data1, data2, buf);
      exit(0);
    default:
      while ((pid = wait(&status)) != -1)
        ;
      close(fd2[1]);
      if ((n2 = read(fd2[0], buf, strlen(data2))) >= 0) {
        buf[n2] = 0;
        printf("read %d bytes from the pipe2 \n", n2);
      } else
        perror("read");
      break;
    case -1:
      perror("fork");
      exit(1);
    }
    gettimeofday(&end, NULL);
    long double time = ((long double)(end.tv_sec - start.tv_sec) + ((long double)(end.tv_usec - start.tv_usec) / 1000000.0));
    printf("%Lf\n", time);
    printf("time spend (half of bi-direction): %Lf\n", time);
    fprintf(fp2, "%Lf\n", time);
    fflush(fp2);
  }
  fclose(fp2);
  exit(0);
}
```