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
  push   %rbx
  sub    $0x98,%rsp
  mov    %rdi,%rbx
  mov    %rsi,0x30(%rsp)
  mov    %rdx,0x10(%rsp)
  mov    %rcx,0x20(%rsp)
  mov    %r8,0x18(%rsp)
  mov    %r9,0x38(%rsp)
  mov    0xd0(%rsp),%rax
  mov    %rax,0x28(%rsp)
  mov    0xd8(%rsp),%rax
  mov    %rax,0x40(%rsp)
  mov    0xe0(%rsp),%rbp
  mov    %fs:0x28,%rax
  mov    %rax,0x88(%rsp)
  xor    %eax,%eax
  lea    D54(%rip),%rsi
  call   <fopen@plt>
  mov    %rax,%r12
  test   %rax,%rax
  je     L810
L141:
  movl   $0x0,0xc(%rsp)
  movl   $0x0,0x8(%rsp)
  mov    $0x0,%r15d
  mov    $0x0,%ebx
  jmp    L593
L810:
  mov    %rbx,%rsi
  lea    D36(%rip),%rdi
  call   <printf@plt>
  mov    %rbp,%rdi
  call   <free@plt>
  mov    $0xffffffff,%edi
  call   <exit@plt>
  jmp    L141
L404:
  mov    $0x2c,%esi
  mov    %rbp,%rdi
  call   <strchr@plt>
  mov    %rax,%r13
  test   %rax,%rax
  je     L593
  cmpb   $0x0,0x1(%rax)
  je     L593
  lea    0x1(%rax),%r14
  mov    $0x7,%edx
  lea    D63(%rip),%rsi
  mov    %r14,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L130
  lea    0x8(%r13),%rdi
  mov    $0x2c,%esi
  call   <strchr@plt>
  mov    %rax,%r13
  test   %rax,%rax
  je     L593
  lea    0x1(%rax),%r14
  mov    $0xd,%edx
  lea    D76(%rip),%rsi
  mov    %r14,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L218
  lea    0x11(%r13),%rdi
  call   <strdup@plt>
  mov    0x10(%rsp),%rcx
  mov    %rax,(%rcx)
  jmp    L593
L218:
  mov    $0xc,%edx
  lea    D162(%rip),%rsi
  mov    %r14,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L501
  lea    0x10(%r13),%rdi
  call   <strdup@plt>
  mov    0x18(%rsp),%rcx
  mov    %rax,(%rcx)
  jmp    L593
L501:
  mov    $0x9,%edx
  lea    D145(%rip),%rsi
  mov    %r14,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L169
  lea    0xd(%r13),%rdi
  call   <strdup@plt>
  mov    0x28(%rsp),%rcx
  mov    %rax,(%rcx)
  jmp    L593
L169:
  mov    $0xc,%edx
  lea    D129(%rip),%rsi
  mov    %r14,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L593
  lea    0x10(%r13),%rdi
  call   <strdup@plt>
  mov    0x30(%rsp),%rcx
  mov    %rax,(%rcx)
  jmp    L593
L130:
  mov    $0x6,%edx
  lea    D165(%rip),%rsi
  mov    %r14,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L593
  lea    0x7(%r13),%rdi
  mov    $0x2c,%esi
  call   <strchr@plt>
  mov    %rax,%r13
  test   %rax,%rax
  je     L593
  lea    0x1(%rax),%r14
  mov    $0xd,%edx
  lea    D76(%rip),%rsi
  mov    %r14,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L704
  lea    0x11(%r13),%rdi
  call   <strdup@plt>
  mov    0x20(%rsp),%rcx
  mov    %rax,(%rcx)
  jmp    L593
L704:
  mov    $0xc,%edx
  lea    D162(%rip),%rsi
  mov    %r14,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L58
  lea    0x10(%r13),%rdi
  call   <strdup@plt>
  mov    0x38(%rsp),%rcx
  mov    %rax,(%rcx)
  jmp    L593
L58:
  mov    $0x9,%edx
  lea    D145(%rip),%rsi
  mov    %r14,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L593
  lea    0xd(%r13),%rdi
  call   <strdup@plt>
  mov    0x40(%rsp),%rcx
  mov    %rax,(%rcx)
  jmp    L593
L492:
  lea    0x50(%rsp),%r13
  lea    0x80(%rsp),%r14
  mov    %rbp,%rdi
L346:
  mov    %rdi,0x0(%r13)
  mov    $0x2c,%esi
  call   <strchr@plt>
  test   %rax,%rax
  je     L434
  movb   $0x0,(%rax)
  lea    0x1(%rax),%rdi
  add    $0x8,%r13
  cmp    %r13,%r14
  jne    L346
L434:
  mov    0x58(%rsp),%r13
  mov    %r13,%rdi
  call   <atoi@plt>
  cmp    %r15d,%eax
  jne    L719
L288:
  mov    0x50(%rsp),%r13
  cmpb   $0x53,0x0(%r13)
  je     L202
L16:
  cmpb   $0x44,0x0(%r13)
  je     L239
L593:
  mov    %r12,%rdx
  mov    $0x400,%esi
  mov    %rbp,%rdi
  call   <fgets@plt>
  test   %rax,%rax
  je     L727
  cmp    $0x1,%ebx
  je     L404
  cmp    $0x2,%ebx
  je     L492
  test   %ebx,%ebx
  jne    L593
  mov    $0x27,%edx
  lea    D159(%rip),%rsi
  mov    %rbp,%rdi
  call   <strncmp@plt>
  mov    $0x2,%ebx
  test   %eax,%eax
  je     L593
  mov    $0x23,%edx
  lea    D191(%rip),%rsi
  mov    %rbp,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  sete   %bl
  movzbl %bl,%ebx
  jmp    L593
L719:
  mov    %r13,%rdi
  call   <atoi@plt>
  mov    %eax,%r15d
  movl   $0x0,0xc(%rsp)
  movl   $0x0,0x8(%rsp)
  jmp    L288
L202:
  mov    $0x5,%edx
  lea    D21(%rip),%rsi
  mov    0x60(%rsp),%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L16
  mov    0x68(%rsp),%r13
  mov    $0x6,%edx
  lea    D89(%rip),%rsi
  mov    %r13,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L645
  movl   $0x1,0x8(%rsp)
  jmp    L593
L645:
  mov    $0x5,%edx
  lea    D69(%rip),%rsi
  mov    %r13,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  mov    0x8(%rsp),%eax
  cmove  %ebx,%eax
  mov    %eax,0x8(%rsp)
  jmp    L593
L239:
  mov    0x60(%rsp),%r14
  cmpb   $0x31,(%r14)
  jne    L593
  mov    $0x6,%edx
  lea    D78(%rip),%rsi
  mov    0x68(%rsp),%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  je     L129
  cmpb   $0x44,0x0(%r13)
  jne    L593
  cmpb   $0x31,(%r14)
  jne    L593
  mov    $0xd,%edx
  lea    D123(%rip),%rsi
  mov    0x68(%rsp),%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  je     L31
L25:
  cmpb   $0x44,0x0(%r13)
  jne    L593
  cmpb   $0x31,(%r14)
  jne    L593
  mov    $0x17,%edx
  lea    D146(%rip),%rsi
  mov    0x68(%rsp),%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L593
  mov    0x70(%rsp),%r13
  mov    %r13,%rdi
  call   <strlen@plt>
  cmp    $0x5,%eax
  jle    L593
  cmpl   $0x1,0x8(%rsp)
  je     L429
  cmpl   $0x2,0x8(%rsp)
  jne    L593
  lea    0x2(%r13),%rdi
  call   <strdup@plt>
  mov    0x40(%rsp),%rcx
  mov    %rax,(%rcx)
  mov    0x8(%rsp),%ebx
  jmp    L593
L129:
  mov    0x70(%rsp),%r13
  mov    $0xd,%edx
  lea    D47(%rip),%rsi
  mov    %r13,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L265
  movl   $0x1,0xc(%rsp)
  jmp    L593
L265:
  mov    $0xc,%edx
  lea    D82(%rip),%rsi
  mov    %r13,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L739
  mov    %ebx,0xc(%rsp)
  jmp    L593
L739:
  mov    $0x9,%edx
  lea    D235(%rip),%rsi
  mov    %r13,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L700
  movl   $0x3,0xc(%rsp)
  jmp    L593
L700:
  mov    $0xc,%edx
  lea    D93(%rip),%rsi
  mov    %r13,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  mov    $0x4,%eax
  cmovne 0xc(%rsp),%eax
  mov    %eax,0xc(%rsp)
  jmp    L593
L31:
  mov    0x70(%rsp),%rax
  mov    %rax,0x48(%rsp)
  mov    %rax,%rdi
  call   <strlen@plt>
  cmp    $0x5,%eax
  jle    L25
  cmpl   $0x1,0x8(%rsp)
  je     L369
  cmpl   $0x2,0x8(%rsp)
  jne    L593
  mov    0xc(%rsp),%eax
  cmp    $0x3,%eax
  je     L503
  jg     L310
  cmp    $0x1,%eax
  je     L402
  cmp    $0x2,%eax
  jne    L671
  mov    0x48(%rsp),%rdi
  add    $0x3,%rdi
  call   <strdup@plt>
  mov    0x38(%rsp),%rcx
  mov    %rax,(%rcx)
  mov    0xc(%rsp),%ebx
  mov    %ebx,0x8(%rsp)
  jmp    L593
L369:
  mov    0xc(%rsp),%eax
  cmp    $0x3,%eax
  je     L555
  jg     L452
  cmp    $0x1,%eax
  je     L468
  cmp    $0x2,%eax
  jne    L593
  mov    0x48(%rsp),%rdi
  add    $0x3,%rdi
  call   <strdup@plt>
  mov    0x18(%rsp),%rcx
  mov    %rax,(%rcx)
  mov    0xc(%rsp),%ebx
  jmp    L593
L452:
  cmpl   $0x4,0xc(%rsp)
  jne    L593
  mov    0x48(%rsp),%rdi
  add    $0x3,%rdi
  call   <strdup@plt>
  mov    0x30(%rsp),%rcx
  mov    %rax,(%rcx)
  jmp    L593
L468:
  mov    0x48(%rsp),%rdi
  add    $0x3,%rdi
  call   <strdup@plt>
  mov    0x10(%rsp),%rcx
  mov    %rax,(%rcx)
  mov    0xc(%rsp),%eax
  mov    %eax,0x8(%rsp)
  jmp    L593
L555:
  mov    0x48(%rsp),%rdi
  add    $0x3,%rdi
  call   <strdup@plt>
  mov    %rax,%rsi
  mov    0x28(%rsp),%rax
  mov    %rsi,(%rax)
  lea    D53(%rip),%rdi
  call   <printf@plt>
  jmp    L593
L671:
  mov    0x8(%rsp),%ebx
  jmp    L593
L310:
  mov    0x8(%rsp),%ebx
  cmpl   $0x4,0xc(%rsp)
  jne    L593
  mov    0x48(%rsp),%rdi
  add    $0x3,%rdi
  call   <strdup@plt>
  mov    0x30(%rsp),%rcx
  mov    %rax,(%rcx)
  mov    0x8(%rsp),%ebx
  jmp    L593
L402:
  mov    0x48(%rsp),%rdi
  add    $0x3,%rdi
  call   <strdup@plt>
  mov    0x20(%rsp),%rcx
  mov    %rax,(%rcx)
  mov    0x8(%rsp),%ebx
  jmp    L593
L503:
  mov    0x48(%rsp),%rdi
  add    $0x3,%rdi
  call   <strdup@plt>
  mov    0x40(%rsp),%rcx
  mov    %rax,(%rcx)
  mov    0x8(%rsp),%ebx
  jmp    L593
L429:
  lea    0x2(%r13),%rdi
  call   <strdup@plt>
  mov    0x28(%rsp),%rcx
  mov    %rax,(%rcx)
  jmp    L593
L727:
  mov    %r12,%rdi
  call   <fclose@plt>
  mov    0x88(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L532
  add    $0x98,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L532:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: data_tag: D54
type: string
name: unpack_data
arguments: data_tag: D36
type: string
name: unpack_data
arguments: data_tag: D63
type: string
name: unpack_data
arguments: data_tag: D76
type: string
name: unpack_data
arguments: data_tag: D162
type: string
name: unpack_data
arguments: data_tag: D145
type: string
name: unpack_data
arguments: data_tag: D129
type: string
name: unpack_data
arguments: data_tag: D165
type: string
name: unpack_data
arguments: data_tag: D159
type: string
name: unpack_data
arguments: data_tag: D191
type: string
name: unpack_data
arguments: data_tag: D21
type: string
name: unpack_data
arguments: data_tag: D89
type: string
name: unpack_data
arguments: data_tag: D69
type: string
name: unpack_data
arguments: data_tag: D78
type: string
name: unpack_data
arguments: data_tag: D123
type: string
name: unpack_data
arguments: data_tag: D146
type: string
name: unpack_data
arguments: data_tag: D47
type: string
name: unpack_data
arguments: data_tag: D82
type: string
name: unpack_data
arguments: data_tag: D235
type: string
name: unpack_data
arguments: data_tag: D93
type: string
name: unpack_data
arguments: data_tag: D53
type: string

tool: D54: r

tool: D36: Cant open file: %s


tool: D63: Master,

tool: D76: LMP_comb_key,

tool: D162: LMP_au_rand,

tool: D145: LMP_sres,

tool: D129: LMP_in_rand,

tool: D165: Slave,

tool: D159: L,0,PPP,Type,Identifier,Length,Protocol

tool: D191: Index,Slave/Master,Type,Description

tool: D21: Frame

tool: D89: Master

tool: D69: Slave

tool: D78: Opcode

tool: D123: Random Number

tool: D146: Authentication Response

tool: D47: LMP_comb_key

tool: D82: LMP_au_rand

tool: D235: LMP_sres

tool: D93: LMP_in_rand

tool: D53: %s


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;
}
```