user: 请将这段汇编代码片段转换成等效的C代码:

```asm
<read_csv>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  sub    $0x98,%rsp
  mov    0xd0(%rsp),%rax
  mov    %rsi,0x28(%rsp)
  lea    D219(%rip),%rsi
  mov    %rdx,0x8(%rsp)
  mov    0xe0(%rsp),%rbx
  mov    %rax,0x20(%rsp)
  mov    0xd8(%rsp),%rax
  mov    %rcx,0x18(%rsp)
  mov    %r8,0x10(%rsp)
  mov    %r9,0x30(%rsp)
  mov    %rax,0x38(%rsp)
  mov    %fs:0x28,%rax
  mov    %rax,0x88(%rsp)
  xor    %eax,%eax
  call   <fopen@plt>
  mov    %rax,%r12
  test   %rax,%rax
  je     L856
L257:
  xor    %r14d,%r14d
  lea    D195(%rip),%rbp
  lea    D13(%rip),%r13
L430:
  mov    %r12,%rdx
  mov    $0x400,%esi
  mov    %rbx,%rdi
  call   <fgets@plt>
  test   %rax,%rax
  je     L280
  cmp    $0x1,%r14d
  je     L841
  mov    $0x27,%edx
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L774
  mov    %r12,%rdx
  mov    $0x400,%esi
  mov    %rbx,%rdi
  call   <fgets@plt>
  test   %rax,%rax
  je     L280
  movl   $0x0,0x4(%rsp)
  xor    %r13d,%r13d
  lea    0x50(%rsp),%r14
  lea    0x80(%rsp),%rbp
  movl   $0x0,(%rsp)
L388:
  mov    %r14,%r15
  mov    %rbx,%rdi
L557:
  mov    %rdi,(%r15)
  mov    $0x2c,%esi
  call   <strchr@plt>
  test   %rax,%rax
  je     L440
  add    $0x8,%r15
  movb   $0x0,(%rax)
  lea    0x1(%rax),%rdi
  cmp    %r15,%rbp
  jne    L557
L440:
  mov    0x58(%rsp),%r15
  mov    %r15,%rdi
  call   <atoi@plt>
  cmp    %r13d,%eax
  je     L569
  mov    %r15,%rdi
  call   <atoi@plt>
  movl   $0x0,0x4(%rsp)
  movl   $0x0,(%rsp)
  mov    %eax,%r13d
L569:
  mov    0x50(%rsp),%r15
  movzbl (%r15),%eax
  cmp    $0x53,%al
  je     L667
L508:
  cmp    $0x44,%al
  je     L661
L49:
  mov    %r12,%rdx
  mov    $0x400,%esi
  mov    %rbx,%rdi
  call   <fgets@plt>
  test   %rax,%rax
  jne    L388
L280:
  mov    0x88(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L521
  add    $0x98,%rsp
  mov    %r12,%rdi
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1120 <fclose@plt>
L774:
  mov    $0x23,%edx
  mov    %r13,%rsi
  mov    %rbx,%rdi
  xor    %r14d,%r14d
  call   <strncmp@plt>
  test   %eax,%eax
  sete   %r14b
  jmp    L430
  xchg   %ax,%ax
L661:
  mov    0x60(%rsp),%rcx
  cmpb   $0x31,(%rcx)
  jne    L49
  mov    0x68(%rsp),%rdi
  mov    $0x6,%edx
  mov    %rcx,0x40(%rsp)
  lea    D184(%rip),%rsi
  call   <strncmp@plt>
  mov    0x40(%rsp),%rcx
  test   %eax,%eax
  je     L396
  cmpb   $0x44,(%r15)
  jne    L49
  cmpb   $0x31,(%rcx)
  mov    %rcx,0x40(%rsp)
  jne    L49
  mov    0x68(%rsp),%rdi
  mov    $0xd,%edx
  lea    D66(%rip),%rsi
  call   <strncmp@plt>
  mov    0x40(%rsp),%rcx
  test   %eax,%eax
  je     L438
L216:
  cmpb   $0x44,(%r15)
  jne    L49
  cmpb   $0x31,(%rcx)
  jne    L49
  mov    0x68(%rsp),%rdi
  mov    $0x17,%edx
  lea    D35(%rip),%rsi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L49
  mov    0x70(%rsp),%r15
  mov    %r15,%rdi
  call   <strlen@plt>
  cmp    $0x5,%eax
  jle    L49
  cmpl   $0x1,(%rsp)
  je     L768
  cmpl   $0x2,(%rsp)
  jne    L49
  lea    0x2(%r15),%rdi
  call   <strdup@plt>
  mov    0x38(%rsp),%rcx
  mov    %rax,(%rcx)
  jmp    L49
  xchg   %ax,%ax
L667:
  mov    0x60(%rsp),%rdi
  mov    $0x5,%edx
  lea    D228(%rip),%rsi
  call   <strncmp@plt>
  test   %eax,%eax
  je     L771
  movzbl (%r15),%eax
  jmp    L508
  nopl   0x0(%rax,%rax,1)
L771:
  mov    0x68(%rsp),%r15
  mov    $0x6,%edx
  lea    D216(%rip),%rsi
  mov    %r15,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L330
L20:
  mov    %r12,%rdx
  mov    $0x400,%esi
  mov    %rbx,%rdi
  call   <fgets@plt>
  test   %rax,%rax
  je     L280
  movl   $0x1,(%rsp)
  jmp    L388
  xchg   %ax,%ax
L841:
  lea    D191(%rip),%rbp
  lea    D232(%rip),%r13
  jmp    L414
L213:
  lea    0x8(%r14),%rdi
  mov    $0x2c,%esi
  call   <strchr@plt>
  mov    %rax,%r14
  test   %rax,%rax
  je     L86
  lea    0x1(%rax),%r15
  mov    $0xd,%edx
  lea    D160(%rip),%rsi
  mov    %r15,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L509
  lea    0x11(%r14),%rdi
  call   <strdup@plt>
  mov    0x8(%rsp),%rcx
  mov    %rax,(%rcx)
  nopw   0x0(%rax,%rax,1)
L86:
  mov    %r12,%rdx
  mov    $0x400,%esi
  mov    %rbx,%rdi
  call   <fgets@plt>
  test   %rax,%rax
  je     L280
L414:
  mov    $0x2c,%esi
  mov    %rbx,%rdi
  call   <strchr@plt>
  mov    %rax,%r14
  test   %rax,%rax
  je     L86
  cmpb   $0x0,0x1(%rax)
  je     L86
  lea    0x1(%rax),%r15
  mov    $0x7,%edx
  mov    %rbp,%rsi
  mov    %r15,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  je     L213
  mov    $0x6,%edx
  mov    %r13,%rsi
  mov    %r15,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L86
  lea    0x7(%r14),%rdi
  mov    $0x2c,%esi
  call   <strchr@plt>
  mov    %rax,%r14
  test   %rax,%rax
  je     L86
  lea    0x1(%rax),%r15
  mov    $0xd,%edx
  lea    D160(%rip),%rsi
  mov    %r15,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L187
  lea    0x11(%r14),%rdi
  call   <strdup@plt>
  mov    0x18(%rsp),%rcx
  mov    %rax,(%rcx)
  jmp    L86
L509:
  mov    $0xc,%edx
  lea    D209(%rip),%rsi
  mov    %r15,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L237
  lea    0x10(%r14),%rdi
  call   <strdup@plt>
  mov    0x10(%rsp),%rcx
  mov    %rax,(%rcx)
  jmp    L86
L237:
  mov    $0x9,%edx
  lea    D143(%rip),%rsi
  mov    %r15,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  je     L112
  mov    $0xc,%edx
  lea    D194(%rip),%rsi
  mov    %r15,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L86
  lea    0x10(%r14),%rdi
  call   <strdup@plt>
  mov    0x28(%rsp),%rcx
  mov    %rax,(%rcx)
  jmp    L86
L187:
  mov    $0xc,%edx
  lea    D209(%rip),%rsi
  mov    %r15,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L224
  lea    0x10(%r14),%rdi
  call   <strdup@plt>
  mov    0x30(%rsp),%rcx
  mov    %rax,(%rcx)
  jmp    L86
L330:
  mov    $0x5,%edx
  lea    D56(%rip),%rsi
  mov    %r15,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L49
L631:
  mov    %r12,%rdx
  mov    $0x400,%esi
  mov    %rbx,%rdi
  call   <fgets@plt>
  test   %rax,%rax
  je     L280
  movl   $0x2,(%rsp)
  jmp    L388
L396:
  mov    0x70(%rsp),%r15
  mov    $0xd,%edx
  lea    D187(%rip),%rsi
  mov    %r15,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L434
  mov    %r12,%rdx
  mov    $0x400,%esi
  mov    %rbx,%rdi
  call   <fgets@plt>
  test   %rax,%rax
  je     L280
  movl   $0x1,0x4(%rsp)
  jmp    L388
L438:
  mov    0x70(%rsp),%rdi
  mov    %rdi,0x48(%rsp)
  call   <strlen@plt>
  mov    0x40(%rsp),%rcx
  cmp    $0x5,%eax
  jle    L216
  cmpl   $0x1,(%rsp)
  mov    0x48(%rsp),%rdi
  je     L403
  cmpl   $0x2,(%rsp)
  jne    L49
  mov    0x4(%rsp),%eax
  cmp    $0x3,%eax
  je     L722
  cmp    $0x4,%eax
  je     L149
  cmp    $0x1,%eax
  je     L50
  cmp    $0x2,%eax
  jne    L49
  add    $0x3,%rdi
  call   <strdup@plt>
  mov    0x30(%rsp),%rcx
  mov    %rax,(%rcx)
  jmp    L631
  nopw   0x0(%rax,%rax,1)
L112:
  lea    0xd(%r14),%rdi
  call   <strdup@plt>
  mov    0x20(%rsp),%rcx
  mov    %rax,(%rcx)
  jmp    L86
L224:
  mov    $0x9,%edx
  lea    D143(%rip),%rsi
  mov    %r15,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L86
  lea    0xd(%r14),%rdi
  call   <strdup@plt>
  mov    0x38(%rsp),%rcx
  mov    %rax,(%rcx)
  jmp    L86
L856:
  mov    %rbp,%rsi
  lea    D197(%rip),%rdi
  call   <printf@plt>
  mov    %rbx,%rdi
  call   <free@plt>
  mov    $0xffffffff,%edi
  call   <exit@plt>
  jmp    L257
L434:
  mov    $0xc,%edx
  lea    D121(%rip),%rsi
  mov    %r15,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L42
  mov    %r12,%rdx
  mov    $0x400,%esi
  mov    %rbx,%rdi
  call   <fgets@plt>
  test   %rax,%rax
  je     L280
  movl   $0x2,0x4(%rsp)
  jmp    L388
L42:
  mov    $0x9,%edx
  lea    D155(%rip),%rsi
  mov    %r15,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L205
  mov    %r12,%rdx
  mov    $0x400,%esi
  mov    %rbx,%rdi
  call   <fgets@plt>
  test   %rax,%rax
  je     L280
  movl   $0x3,0x4(%rsp)
  jmp    L388
L403:
  mov    0x4(%rsp),%eax
  cmp    $0x3,%eax
  je     L605
  cmp    $0x4,%eax
  je     L149
  cmp    $0x1,%eax
  je     L449
  cmp    $0x2,%eax
  jne    L49
  add    $0x3,%rdi
  call   <strdup@plt>
  mov    0x10(%rsp),%rcx
  mov    %rax,(%rcx)
  jmp    L49
L768:
  lea    0x2(%r15),%rdi
  call   <strdup@plt>
  mov    0x20(%rsp),%rcx
  mov    %rax,(%rcx)
  jmp    L49
L149:
  add    $0x3,%rdi
  call   <strdup@plt>
  mov    0x28(%rsp),%rcx
  mov    %rax,(%rcx)
  jmp    L49
L449:
  add    $0x3,%rdi
  call   <strdup@plt>
  mov    0x8(%rsp),%rcx
  mov    %rax,(%rcx)
  jmp    L20
L605:
  add    $0x3,%rdi
  call   <strdup@plt>
  lea    D43(%rip),%rdi
  mov    %rax,%rsi
  mov    0x20(%rsp),%rax
  mov    %rsi,(%rax)
  call   <printf@plt>
  jmp    L49
L205:
  mov    $0xc,%edx
  lea    D142(%rip),%rsi
  mov    %r15,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L49
  mov    %r12,%rdx
  mov    $0x400,%esi
  mov    %rbx,%rdi
  call   <fgets@plt>
  test   %rax,%rax
  je     L280
  movl   $0x4,0x4(%rsp)
  jmp    L388
L722:
  add    $0x3,%rdi
  call   <strdup@plt>
  mov    0x38(%rsp),%rcx
  mov    %rax,(%rcx)
  jmp    L49
L50:
  add    $0x3,%rdi
  call   <strdup@plt>
  mov    0x18(%rsp),%rcx
  mov    %rax,(%rcx)
  jmp    L49
L521:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: data_tag: D219
type_guessed: string
name: unpack_data
arguments: data_tag: D195
type_guessed: string
name: unpack_data
arguments: data_tag: D13
type_guessed: string
name: unpack_data
arguments: data_tag: D184
type_guessed: string
name: unpack_data
arguments: data_tag: D66
type_guessed: string
name: unpack_data
arguments: data_tag: D35
type_guessed: string
name: unpack_data
arguments: data_tag: D228
type_guessed: string
name: unpack_data
arguments: data_tag: D216
type_guessed: string
name: unpack_data
arguments: data_tag: D191
type_guessed: string
name: unpack_data
arguments: data_tag: D232
type_guessed: string
name: unpack_data
arguments: data_tag: D160
type_guessed: string
name: unpack_data
arguments: data_tag: D209
type_guessed: string
name: unpack_data
arguments: data_tag: D143
type_guessed: string
name: unpack_data
arguments: data_tag: D194
type_guessed: string
name: unpack_data
arguments: data_tag: D56
type_guessed: string
name: unpack_data
arguments: data_tag: D187
type_guessed: string
name: unpack_data
arguments: data_tag: D197
type_guessed: string
name: unpack_data
arguments: data_tag: D121
type_guessed: string
name: unpack_data
arguments: data_tag: D155
type_guessed: string
name: unpack_data
arguments: data_tag: D43
type_guessed: string
name: unpack_data
arguments: data_tag: D142
type_guessed: string

tool: D219: r

tool: D195: L,0,PPP,Type,Identifier,Length,Protocol

tool: D13: Index,Slave/Master,Type,Description

tool: D184: Opcode

tool: D66: Random Number

tool: D35: Authentication Response

tool: D228: Frame

tool: D216: Master

tool: D191: Master,

tool: D232: Slave,

tool: D160: LMP_comb_key,

tool: D209: LMP_au_rand,

tool: D143: LMP_sres,

tool: D194: LMP_in_rand,

tool: D56: Slave

tool: D187: LMP_comb_key

tool: D197: Cant open file: %s


tool: D121: LMP_au_rand

tool: D155: LMP_sres

tool: D43: %s


tool: D142: LMP_in_rand

assistant: ```c
void read_csv(char *filename, char **InRand, char **MasterCombKey, char **SlaveCombKey, char **MasterAuRand, char **SlaveAuRand, char **MasterSres, char **SlaveSres, char *buf) {
  FILE *fh;
  char *tmp;
  char *temp[6];
  int start = 0;
  int count = 0;
  int who = 0;
  int what = 0;
  int i;
  fh = fopen(filename, "r");
  if (!fh) {
    printf("Cant open file: %s\n", filename);
    free(buf);
    exit(-1);
  }
  while (fgets(buf, 1024, fh)) {
    switch (start) {
    case 0:
      if (!strncmp(buf, "L,0,PPP,Type,Identifier,Length,Protocol", 39)) {
        start = 2;
      } else if (!strncmp(buf, "Index,Slave/Master,Type,Description", 35)) {
        start = 1;
      }
      break;
    case 1:
      tmp = strchr(buf, ',');
      if (!tmp)
        continue;
      if (!*(++tmp))
        continue;
      if (!strncmp(tmp, "Master,", 7)) {
        tmp += 7;
        tmp = strchr(tmp, ',');
        if (!tmp++)
          continue;
        if (!strncmp(tmp, "LMP_comb_key,", 13)) {
          tmp += 16;
          *MasterCombKey = strdup(tmp);
        } else if (!strncmp(tmp, "LMP_au_rand,", 12)) {
          tmp += 15;
          *MasterAuRand = strdup(tmp);
        } else if (!strncmp(tmp, "LMP_sres,", 9)) {
          tmp += 12;
          *MasterSres = strdup(tmp);
        } else if (!strncmp(tmp, "LMP_in_rand,", 12)) {
          tmp += 15;
          *InRand = strdup(tmp);
        }
      } else if (!strncmp(tmp, "Slave,", 6)) {
        tmp += 6;
        tmp = strchr(tmp, ',');
        if (!tmp++)
          continue;
        if (!strncmp(tmp, "LMP_comb_key,", 13)) {
          tmp += 16;
          *SlaveCombKey = strdup(tmp);
        } else if (!strncmp(tmp, "LMP_au_rand,", 12)) {
          tmp += 15;
          *SlaveAuRand = strdup(tmp);
        } else if (!strncmp(tmp, "LMP_sres,", 9)) {
          tmp += 12;
          *SlaveSres = strdup(tmp);
        }
      }
      break;
    case 2:
      tmp = buf;
      for (i = 0; i < 6; i++) {
        temp[i] = tmp;
        tmp = strchr(tmp, ',');
        if (!tmp)
          break;
        *tmp = '\0';
        tmp++;
      }
      if (atoi(temp[1]) != count) {
        count = atoi(temp[1]);
        who = 0;
        what = 0;
      }
      if ((*temp[0] == 'S') && (!strncmp(temp[2], "Frame", 5))) {
        if (!strncmp(temp[3], "Master", 6))
          who = 1;
        else if (!strncmp(temp[3], "Slave", 5))
          who = 2;
      } else if ((*temp[0] == 'D') && (*temp[2] == '1') && (!strncmp(temp[3], "Opcode", 6))) {
        if (!strncmp(temp[4], "LMP_comb_key", 13))
          what = 1;
        else if (!strncmp(temp[4], "LMP_au_rand", 12))
          what = 2;
        else if (!strncmp(temp[4], "LMP_sres", 9))
          what = 3;
        else if (!strncmp(temp[4], "LMP_in_rand", 12))
          what = 4;
      } else if ((*temp[0] == 'D') && (*temp[2] == '1') && (!strncmp(temp[3], "Random Number", 13)) && (strlen(temp[4]) > 5)) {
        if (who == 1) {
          switch (what) {
          case 1:
            *MasterCombKey = strdup(temp[4] + 3);
            break;
          case 2:
            *MasterAuRand = strdup(temp[4] + 3);
            break;
          case 3:
            *MasterSres = strdup(temp[4] + 3);
            printf("%s\n", *MasterSres);
            break;
          case 4:
            *InRand = strdup(temp[4] + 3);
            break;
          }
        } else if (who == 2) {
          switch (what) {
          case 1:
            *SlaveCombKey = strdup(temp[4] + 3);
            break;
          case 2:
            *SlaveAuRand = strdup(temp[4] + 3);
            break;
          case 3:
            *SlaveSres = strdup(temp[4] + 3);
            break;
          case 4:
            *InRand = strdup(temp[4] + 3);
            break;
          }
        }
      } else if ((*temp[0] == 'D') && (*temp[2] == '1') && (!strncmp(temp[3], "Authentication Response", 23)) && (strlen(temp[4]) > 5)) {
        if (who == 1)
          *MasterSres = strdup(temp[4] + 2);
        else if (who == 2)
          *SlaveSres = strdup(temp[4] + 2);
      }
      break;
    }
  }
  fclose(fh);
  return;
}
```