user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<get_stdin>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x148,%rsp
  mov    %rdi,0x18(%rsp)
  mov    %fs:0x28,%rax
  mov    %rax,0x138(%rsp)
  xor    %eax,%eax
  lea    0x2e(%rsp),%rdi
  mov    $0x2,%edx
  mov    $0x0,%esi
  call   <memset@plt>
  mov    $0x80,%esi
  mov    $0x1,%edi
  call   <calloc@plt>
  mov    %rax,%r12
  mov    $0x80,%esi
  mov    $0x1,%edi
  call   <calloc@plt>
  mov    %rax,0x8(%rsp)
  lea    0x30(%rsp),%rdi
  mov    $0x80,%edx
  mov    $0x0,%esi
  call   <memset@plt>
  lea    0xb0(%rsp),%rdi
  mov    $0x80,%edx
  mov    $0x0,%esi
  call   <memset@plt>
  lea    0x30(%rsp),%r14
  jmp    L247
L16:
  movzbl 0x2e(%rsp),%edx
  mov    %dl,0x0(%rbp)
  mov    %ebx,%edx
L158:
  add    $0x1,%ebx
  add    $0x1,%rbp
  cmpb   $0xa,0x2e(%rsp)
  je     L230
  cmp    $0x7e,%edx
  jg     L230
L4:
  mov    $0x1,%edx
  mov    %r13,%rsi
  mov    $0x0,%edi
  call   <read@plt>
  cmp    $0x1,%eax
  je     L16
  mov    %ebx,%edx
  test   %eax,%eax
  jg     L158
  js     L58
L134:
  cmpb   $0x0,0x30(%rsp)
  je     L87
L203:
  lea    0xb0(%rsp),%rsi
  lea    0x30(%rsp),%rdi
  call   <cleanline@plt>
  mov    %eax,0x14(%rsp)
  mov    $0x0,%ebp
  lea    0xb0(%rsp),%rbx
  lea    0xaf(%rsp),%r14
  test   %eax,%eax
  jle    L253
L215:
  mov    %ebp,%r13d
  mov    %rbx,%rdi
  call   <strlen@plt>
  cmp    $0x7e,%ebp
  jg     L21
  cmp    %eax,%ebp
  jge    L21
  lea    0x1(%rbp),%rax
  movzbl (%r14,%rax,1),%edx
  cmp    $0x20,%dl
  je     L21
  mov    %dl,-0x1(%r12,%rax,1)
  mov    %rax,%rbp
  jmp    L215
L58:
  mov    %r12,%rdi
  call   <free@plt>
  mov    0x8(%rsp),%rdi
  call   <free@plt>
  movl   $0xffffffff,0x14(%rsp)
  jmp    L2
L230:
  cmpb   $0xa,0x2e(%rsp)
  je     L247
  cmp    $0x1,%eax
  jne    L247
  lea    0x2e(%rsp),%rbx
L161:
  mov    $0x1,%edx
  mov    %rbx,%rsi
  mov    $0x0,%edi
  call   <read@plt>
  cmpb   $0xa,0x2e(%rsp)
  je     L266
  cmp    $0x1,%eax
  je     L161
L266:
  test   %eax,%eax
  js     L235
  je     L134
L247:
  cmpb   $0x0,0x30(%rsp)
  jne    L203
  mov    $0x80,%edx
  mov    $0x0,%esi
  mov    %r14,%rdi
  call   <memset@plt>
  mov    %r14,%rbp
  mov    $0x1,%ebx
  lea    0x2e(%rsp),%r13
  jmp    L4
L235:
  mov    %r12,%rdi
  call   <free@plt>
  mov    0x8(%rsp),%rdi
  call   <free@plt>
  movl   $0xffffffff,0x14(%rsp)
  jmp    L2
L87:
  mov    %r12,%rdi
  call   <free@plt>
  mov    0x8(%rsp),%rdi
  call   <free@plt>
  movl   $0xfffffffe,0x14(%rsp)
  jmp    L2
L253:
  mov    %r12,%rdi
  call   <free@plt>
  mov    0x8(%rsp),%rdi
  call   <free@plt>
  jmp    L2
L21:
  lea    0x1(%r13),%ebx
  movslq %ebx,%rbx
  lea    0xb0(%rsp),%r14
  lea    0xaf(%rsp),%r15
  movslq %r13d,%rax
  mov    0x8(%rsp),%rcx
  lea    -0x2(%rcx),%r13
  sub    %rax,%r13
  jmp    L208
L60:
  mov    %al,0x0(%r13,%rbx,1)
L208:
  mov    %r14,%rdi
  call   <strlen@plt>
  mov    %ebx,%edx
  sub    %ebp,%edx
  sub    $0x1,%edx
  cmp    $0x7e,%edx
  jg     L18
  cmp    %ebx,%eax
  jle    L18
  add    $0x1,%rbx
  movzbl (%r15,%rbx,1),%eax
  cmp    $0x20,%al
  jne    L60
L18:
  mov    $0x80,%edx
  mov    %r12,%rsi
  mov    0x18(%rsp),%rbx
  mov    (%rbx),%rdi
  call   <strlcpy@plt>
  mov    0x8(%rbx),%rdi
  mov    $0x80,%edx
  mov    0x8(%rsp),%rbx
  mov    %rbx,%rsi
  call   <strlcpy@plt>
  mov    %r12,%rdi
  call   <free@plt>
  mov    %rbx,%rdi
  call   <free@plt>
L2:
  mov    0x138(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L110
  mov    0x14(%rsp),%eax
  add    $0x148,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L110:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int get_stdin(char *args[]) {
  char buf[2], sbuf[128], dbuf[128], *arg1, *arg2;
  int x, y, z, argmax;
  memset(buf, 0, sizeof(buf));
  argmax = 128 - 1;
  arg1 = (char *)calloc(1, 128);
  arg2 = (char *)calloc(1, 128);
  memset(sbuf, 0, sizeof(sbuf));
  memset(dbuf, 0, sizeof(dbuf));
  while (!sbuf[0]) {
    x = 0;
    y = 0;
    memset(sbuf, 0, sizeof(sbuf));
    do {
      x = read(0, buf, 1);
      if (x == 1)
        sbuf[y] = buf[0];
      y++;
    } while (x > 0 && buf[0] != '\n' && y < ((int)sizeof(sbuf) - 1));
    if (x < 0) {
      free(arg1);
      free(arg2);
      return -1;
    }
    if (!x)
      break;
    while (buf[0] != '\n' && x == 1)
      x = read(0, buf, 1);
    if (x < 0) {
      free(arg1);
      free(arg2);
      return -1;
    }
    if (!x)
      break;
  };
  if (!sbuf[0]) {
    free(arg1);
    free(arg2);
    return -2;
  }
  x = cleanline(sbuf, dbuf);
  if (x < 1) {
    free(arg1);
    free(arg2);
    return x;
  }
  y = 0;
  while (y < (int)strlen(dbuf) && y < argmax && dbuf[y] != ' ') {
    arg1[y] = dbuf[y];
    y++;
  }
  y++;
  z = 0;
  while (y < (int)strlen(dbuf) && z < argmax && dbuf[y] != ' ') {
    arg2[z] = dbuf[y];
    y++;
    z++;
  }
  strlcpy(args[0], arg1, 128);
  strlcpy(args[1], arg2, 128);
  free(arg1);
  free(arg2);
  return x;
}
```