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    $0xa0,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  lea    -0x84(%rbp),%rax
  mov    %rax,%rdi
  call   <pipe@plt>
  cmp    $0xffffffff,%eax
  jne    L134
  lea    D66(%rip),%rax
  mov    %rax,%rdi
  call   <perror@plt>
  mov    $0x1,%edi
  call   <exit@plt>
L134:
  lea    -0x7c(%rbp),%rax
  mov    %rax,%rdi
  call   <pipe@plt>
  cmp    $0xffffffff,%eax
  jne    L211
  lea    D5(%rip),%rax
  mov    %rax,%rdi
  call   <perror@plt>
  mov    $0x1,%edi
  call   <exit@plt>
L211:
  lea    -0x74(%rbp),%rax
  mov    %rax,%rdi
  call   <pipe@plt>
  cmp    $0xffffffff,%eax
  jne    L202
  lea    D59(%rip),%rax
  mov    %rax,%rdi
  call   <perror@plt>
  mov    $0x1,%edi
  call   <exit@plt>
L202:
  call   <fork@plt>
  mov    %eax,-0x6c(%rbp)
  mov    -0x6c(%rbp),%eax
  test   %eax,%eax
  jne    L55
  mov    $0x0,%eax
  call   <getpid@plt>
  mov    %eax,%esi
  lea    D77(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    -0x60(%rbp),%rax
  mov    %rax,%rsi
  lea    D113(%rip),%rax
  mov    %rax,%rdi
  call   <scanf@plt>
  mov    -0x80(%rbp),%eax
  lea    -0x60(%rbp),%rcx
  mov    $0x14,%edx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <write@plt>
  mov    -0x74(%rbp),%eax
  lea    -0x40(%rbp),%rcx
  mov    $0x14,%edx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <read@plt>
  mov    $0x0,%eax
  call   <getpid@plt>
  mov    %eax,%ecx
  lea    -0x40(%rbp),%rax
  mov    %rax,%rdx
  mov    %ecx,%esi
  lea    D122(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    -0x80(%rbp),%eax
  lea    -0x20(%rbp),%rcx
  mov    $0x1,%edx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <write@plt>
  movl   $0x0,-0x98(%rbp)
  jmp    L214
L226:
  mov    -0x98(%rbp),%eax
  cltq
  mov    -0x84(%rbp,%rax,4),%eax
  mov    %eax,%edi
  call   <close@plt>
  mov    -0x98(%rbp),%eax
  cltq
  mov    -0x7c(%rbp,%rax,4),%eax
  mov    %eax,%edi
  call   <close@plt>
  mov    -0x98(%rbp),%eax
  cltq
  mov    -0x74(%rbp,%rax,4),%eax
  mov    %eax,%edi
  call   <close@plt>
  addl   $0x1,-0x98(%rbp)
L214:
  cmpl   $0x2,-0x98(%rbp)
  jne    L226
  mov    $0x0,%edi
  call   <exit@plt>
L55:
  call   <fork@plt>
  mov    %eax,-0x68(%rbp)
  mov    -0x68(%rbp),%eax
  test   %eax,%eax
  jne    L40
  mov    -0x84(%rbp),%eax
  lea    -0x60(%rbp),%rcx
  mov    $0x14,%edx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <read@plt>
  mov    $0x0,%eax
  call   <getpid@plt>
  mov    %eax,%esi
  lea    D126(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    -0x60(%rbp),%rax
  mov    %rax,%rsi
  lea    D34(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  movl   $0x0,-0x94(%rbp)
  jmp    L103
L174:
  addl   $0x1,-0x94(%rbp)
L103:
  mov    -0x94(%rbp),%eax
  cltq
  movzbl -0x60(%rbp,%rax,1),%eax
  test   %al,%al
  jne    L174
  mov    -0x94(%rbp),%eax
  cltq
  movb   $0x0,-0x40(%rbp,%rax,1)
  movl   $0x0,-0x8c(%rbp)
  mov    -0x94(%rbp),%eax
  sub    $0x1,%eax
  mov    %eax,-0x90(%rbp)
  jmp    L227
L209:
  mov    -0x8c(%rbp),%eax
  cltq
  movzbl -0x60(%rbp,%rax,1),%edx
  mov    -0x90(%rbp),%eax
  cltq
  mov    %dl,-0x40(%rbp,%rax,1)
  addl   $0x1,-0x8c(%rbp)
  subl   $0x1,-0x90(%rbp)
L227:
  cmpl   $0x0,-0x90(%rbp)
  jns    L209
  lea    -0x40(%rbp),%rax
  mov    %rax,%rsi
  lea    D28(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    -0x78(%rbp),%eax
  lea    -0x40(%rbp),%rcx
  mov    $0x14,%edx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <write@plt>
  mov    -0x84(%rbp),%eax
  lea    -0x20(%rbp),%rcx
  mov    $0x1,%edx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <read@plt>
  mov    -0x78(%rbp),%eax
  lea    -0x20(%rbp),%rcx
  mov    $0x1,%edx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <write@plt>
  movl   $0x0,-0x98(%rbp)
  jmp    L165
L33:
  mov    -0x98(%rbp),%eax
  cltq
  mov    -0x84(%rbp,%rax,4),%eax
  mov    %eax,%edi
  call   <close@plt>
  mov    -0x98(%rbp),%eax
  cltq
  mov    -0x7c(%rbp,%rax,4),%eax
  mov    %eax,%edi
  call   <close@plt>
  mov    -0x98(%rbp),%eax
  cltq
  mov    -0x74(%rbp,%rax,4),%eax
  mov    %eax,%edi
  call   <close@plt>
  addl   $0x1,-0x98(%rbp)
L165:
  cmpl   $0x2,-0x98(%rbp)
  jne    L33
  mov    $0x0,%edi
  call   <exit@plt>
L40:
  call   <fork@plt>
  mov    %eax,-0x64(%rbp)
  mov    -0x64(%rbp),%eax
  test   %eax,%eax
  jne    L182
  mov    -0x7c(%rbp),%eax
  lea    -0x40(%rbp),%rcx
  mov    $0x14,%edx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <read@plt>
  mov    $0x0,%eax
  call   <getpid@plt>
  mov    %eax,%esi
  lea    D50(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    -0x40(%rbp),%rax
  mov    %rax,%rsi
  lea    D34(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  movl   $0x0,-0x88(%rbp)
  jmp    L192
L213:
  mov    -0x88(%rbp),%eax
  cltq
  movzbl -0x40(%rbp,%rax,1),%eax
  sub    $0x20,%eax
  mov    %eax,%edx
  mov    -0x88(%rbp),%eax
  cltq
  mov    %dl,-0x40(%rbp,%rax,1)
  addl   $0x1,-0x88(%rbp)
L192:
  mov    -0x88(%rbp),%eax
  cltq
  movzbl -0x40(%rbp,%rax,1),%eax
  test   %al,%al
  jne    L213
  lea    -0x40(%rbp),%rax
  mov    %rax,%rsi
  lea    D54(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    -0x70(%rbp),%eax
  lea    -0x40(%rbp),%rcx
  mov    $0x14,%edx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <write@plt>
  mov    -0x7c(%rbp),%eax
  lea    -0x20(%rbp),%rcx
  mov    $0x1,%edx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <read@plt>
  movl   $0x0,-0x98(%rbp)
  jmp    L111
L0:
  mov    -0x98(%rbp),%eax
  cltq
  mov    -0x84(%rbp,%rax,4),%eax
  mov    %eax,%edi
  call   <close@plt>
  mov    -0x98(%rbp),%eax
  cltq
  mov    -0x7c(%rbp,%rax,4),%eax
  mov    %eax,%edi
  call   <close@plt>
  mov    -0x98(%rbp),%eax
  cltq
  mov    -0x74(%rbp,%rax,4),%eax
  mov    %eax,%edi
  call   <close@plt>
  addl   $0x1,-0x98(%rbp)
L111:
  cmpl   $0x2,-0x98(%rbp)
  jne    L0
  mov    $0x0,%edi
  call   <exit@plt>
L182:
  movl   $0x0,-0x98(%rbp)
  jmp    L206
L62:
  mov    -0x98(%rbp),%eax
  cltq
  mov    -0x84(%rbp,%rax,4),%eax
  mov    %eax,%edi
  call   <close@plt>
  mov    -0x98(%rbp),%eax
  cltq
  mov    -0x7c(%rbp,%rax,4),%eax
  mov    %eax,%edi
  call   <close@plt>
  mov    -0x98(%rbp),%eax
  cltq
  mov    -0x74(%rbp,%rax,4),%eax
  mov    %eax,%edi
  call   <close@plt>
  addl   $0x1,-0x98(%rbp)
L206:
  cmpl   $0x2,-0x98(%rbp)
  jne    L62
  movl   $0x0,-0x98(%rbp)
  jmp    L91
L70:
  mov    -0x98(%rbp),%eax
  cltq
  mov    -0x6c(%rbp,%rax,4),%eax
  lea    -0x9c(%rbp),%rcx
  mov    $0x0,%edx
  mov    %rcx,%rsi
  mov    %eax,%edi
  call   <waitpid@plt>
  mov    -0x98(%rbp),%eax
  cltq
  mov    -0x6c(%rbp,%rax,4),%eax
  mov    -0x98(%rbp),%edx
  lea    0x1(%rdx),%ecx
  mov    %eax,%edx
  mov    %ecx,%esi
  lea    D67(%rip),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  addl   $0x1,-0x98(%rbp)
L91:
  cmpl   $0x2,-0x98(%rbp)
  jle    L70
  mov    $0x0,%eax
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L51
  call   <__stack_chk_fail@plt>
L51:
  leave
  ret
```

tool_calls: name: read_data
arguments: data_tag: D66
type_infered: string
name: read_data
arguments: data_tag: D5
type_infered: string
name: read_data
arguments: data_tag: D59
type_infered: string
name: read_data
arguments: data_tag: D77
type_infered: string
name: read_data
arguments: data_tag: D113
type_infered: string
name: read_data
arguments: data_tag: D122
type_infered: string
name: read_data
arguments: data_tag: D126
type_infered: string
name: read_data
arguments: data_tag: D34
type_infered: string
name: read_data
arguments: data_tag: D28
type_infered: string
name: read_data
arguments: data_tag: D50
type_infered: string
name: read_data
arguments: data_tag: D54
type_infered: string
name: read_data
arguments: data_tag: D67
type_infered: string

tool: D66: pipe1 fail

tool: D5: pipe2 fail

tool: D59: pipe3 fail

tool: D77: I am Process P1 
My Pid is %ld 
Please enter a string: 

tool: D113: %s

tool: D122: I am Process P1 
My Pid is %ld 
I just received uppercase %s


tool: D126: I am Process P2 
My Pid is %ld 


tool: D34: I just received the string %s


tool: D28: I am sending %s to P3


tool: D50: I am Process P3 
My Pid is %ld 


tool: D54: I am sending uppercase %s back to P1 


tool: D67: I am Process %d
My Pid is %d
I am about to die


assistant: ```c
int main() {
  pid_t pid[3];
  int atob[2], btoc[2], ctoa[2], n;
  if (pipe(atob) == -1) {
    perror("pipe1 fail");
    exit(1);
  }
  if (pipe(btoc) == -1) {
    perror("pipe2 fail");
    exit(1);
  }
  if (pipe(ctoa) == -1) {
    perror("pipe3 fail");
    exit(1);
  }
  pid[0] = fork();
  if (pid[0] == 0) {
    char str1[20], str2[20], dummy[20];
    printf("I am Process P1 \nMy Pid is %ld \nPlease enter a string: ", getpid());
    scanf("%s", &str1);
    write(atob[1], str1, 20);
    read(ctoa[0], str2, 20);
    printf("I am Process P1 \nMy Pid is %ld \nI just received uppercase %s\n", getpid(), str2);
    write(atob[1], dummy, 1);
    for (n = 0; n != 2; n++) {
      close(atob[n]);
      close(btoc[n]);
      close(ctoa[n]);
    }
    exit(0);
  }
  pid[1] = fork();
  if (pid[1] == 0) {
    char str2[20], str3[20], dummy[20];
    int i, c, a;
    read(atob[0], str2, 20);
    printf("I am Process P2 \nMy Pid is %ld \n", getpid());
    printf("I just received the string %s\n", str2);
    for (i = 0; str2[i] != '\0'; i++)
      ;
    str3[i] = '\0';
    a = 0;
    for (c = i - 1; c >= 0; c--) {
      str3[c] = str2[a];
      a++;
    }
    printf("I am sending %s to P3\n", str3);
    write(btoc[1], str3, 20);
    read(atob[0], dummy, 1);
    write(btoc[1], dummy, 1);
    for (n = 0; n != 2; n++) {
      close(atob[n]);
      close(btoc[n]);
      close(ctoa[n]);
    }
    exit(0);
  }
  pid[2] = fork();
  if (pid[2] == 0) {
    char str3[20], dummy[20];
    int i;
    read(btoc[0], str3, 20);
    printf("I am Process P3 \nMy Pid is %ld \n", getpid());
    printf("I just received the string %s\n", str3);
    for (i = 0; str3[i] != '\0'; i++) {
      str3[i] = str3[i] - 32;
    }
    printf("I am sending uppercase %s back to P1 \n", str3);
    write(ctoa[1], str3, 20);
    read(btoc[0], dummy, 1);
    for (n = 0; n != 2; n++) {
      close(atob[n]);
      close(btoc[n]);
      close(ctoa[n]);
    }
    exit(0);
  }
  for (n = 0; n != 2; n++) {
    close(atob[n]);
    close(btoc[n]);
    close(ctoa[n]);
  }
  for (n = 0; n < 3; n++) {
    int status;
    waitpid(pid[n], &status, 0);
    printf("I am Process %d\nMy Pid is %d\nI am about to die\n", n + 1, pid[n]);
  }
}
```