user: Please show me the C implementation that matches the assembly code listed below:

```asm
<read_csv>:
  endbr64
  push   %r15
  pxor   %xmm0,%xmm0
  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    D41(%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
  movaps %xmm0,0x50(%rsp)
  movaps %xmm0,0x60(%rsp)
  movaps %xmm0,0x70(%rsp)
  call   <fopen@plt>
  mov    %rax,%r12
  test   %rax,%rax
  je     L470
L140:
  xor    %r14d,%r14d
  lea    D120(%rip),%rbp
  lea    D90(%rip),%r13
L708:
  mov    %r12,%rdx
  mov    $0x400,%esi
  mov    %rbx,%rdi
  call   <fgets@plt>
  test   %rax,%rax
  je     L301
  cmp    $0x1,%r14d
  je     L698
  mov    $0x27,%edx
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L219
  mov    %r12,%rdx
  mov    $0x400,%esi
  mov    %rbx,%rdi
  call   <fgets@plt>
  test   %rax,%rax
  je     L301
  movl   $0x0,0x4(%rsp)
  xor    %r13d,%r13d
  lea    0x50(%rsp),%r14
  lea    0x80(%rsp),%rbp
  movl   $0x0,(%rsp)
L788:
  mov    %r14,%r15
  mov    %rbx,%rdi
L758:
  mov    %rdi,(%r15)
  mov    $0x2c,%esi
  call   <strchr@plt>
  test   %rax,%rax
  je     L430
  add    $0x8,%r15
  movb   $0x0,(%rax)
  lea    0x1(%rax),%rdi
  cmp    %r15,%rbp
  jne    L758
L430:
  mov    0x58(%rsp),%r15
  mov    %r15,%rdi
  call   <atoi@plt>
  cmp    %r13d,%eax
  je     L191
  mov    %r15,%rdi
  call   <atoi@plt>
  movl   $0x0,0x4(%rsp)
  movl   $0x0,(%rsp)
  mov    %eax,%r13d
L191:
  mov    0x50(%rsp),%r15
  movzbl (%r15),%eax
  cmp    $0x53,%al
  je     L60
L678:
  cmp    $0x44,%al
  je     L83
L422:
  mov    %r12,%rdx
  mov    $0x400,%esi
  mov    %rbx,%rdi
  call   <fgets@plt>
  test   %rax,%rax
  jne    L788
L301:
  mov    0x88(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L770
  add    $0x98,%rsp
  mov    %r12,%rdi
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  jmp    1120 <fclose@plt>
  nopl   0x0(%rax,%rax,1)
L219:
  mov    $0x23,%edx
  mov    %r13,%rsi
  mov    %rbx,%rdi
  xor    %r14d,%r14d
  call   <strncmp@plt>
  test   %eax,%eax
  sete   %r14b
  jmp    L708
  cs nopw 0x0(%rax,%rax,1)
L83:
  mov    0x60(%rsp),%rcx
  cmpb   $0x31,(%rcx)
  jne    L422
  mov    0x68(%rsp),%rdi
  mov    $0x6,%edx
  mov    %rcx,0x40(%rsp)
  lea    D10(%rip),%rsi
  call   <strncmp@plt>
  mov    0x40(%rsp),%rcx
  test   %eax,%eax
  je     L534
  cmpb   $0x44,(%r15)
  jne    L422
  cmpb   $0x31,(%rcx)
  mov    %rcx,0x40(%rsp)
  jne    L422
  mov    0x68(%rsp),%rdi
  mov    $0xd,%edx
  lea    D2(%rip),%rsi
  call   <strncmp@plt>
  mov    0x40(%rsp),%rcx
  test   %eax,%eax
  je     L585
L626:
  cmpb   $0x44,(%r15)
  jne    L422
  cmpb   $0x31,(%rcx)
  jne    L422
  mov    0x68(%rsp),%rdi
  mov    $0x17,%edx
  lea    D98(%rip),%rsi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L422
  mov    0x70(%rsp),%r15
  mov    %r15,%rdi
  call   <strlen@plt>
  cmp    $0x5,%eax
  jle    L422
  cmpl   $0x1,(%rsp)
  je     L848
  cmpl   $0x2,(%rsp)
  jne    L422
  lea    0x2(%r15),%rdi
  call   <strdup@plt>
  mov    0x38(%rsp),%rcx
  mov    %rax,(%rcx)
  jmp    L422
  xchg   %ax,%ax
L60:
  mov    0x60(%rsp),%rdi
  mov    $0x5,%edx
  lea    D119(%rip),%rsi
  call   <strncmp@plt>
  test   %eax,%eax
  je     L857
  movzbl (%r15),%eax
  jmp    L678
  nopl   0x0(%rax,%rax,1)
L857:
  mov    0x68(%rsp),%r15
  mov    $0x6,%edx
  lea    D189(%rip),%rsi
  mov    %r15,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L258
L347:
  mov    %r12,%rdx
  mov    $0x400,%esi
  mov    %rbx,%rdi
  call   <fgets@plt>
  test   %rax,%rax
  je     L301
  movl   $0x1,(%rsp)
  jmp    L788
  xchg   %ax,%ax
L698:
  lea    D209(%rip),%rbp
  lea    D82(%rip),%r13
  jmp    L309
L724:
  lea    0x8(%r14),%rdi
  mov    $0x2c,%esi
  call   <strchr@plt>
  mov    %rax,%r14
  test   %rax,%rax
  je     L711
  lea    0x1(%rax),%r15
  mov    $0xd,%edx
  lea    D27(%rip),%rsi
  mov    %r15,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L485
  lea    0x11(%r14),%rdi
  call   <strdup@plt>
  mov    0x8(%rsp),%rcx
  mov    %rax,(%rcx)
  nopw   0x0(%rax,%rax,1)
L711:
  mov    %r12,%rdx
  mov    $0x400,%esi
  mov    %rbx,%rdi
  call   <fgets@plt>
  test   %rax,%rax
  je     L301
L309:
  mov    $0x2c,%esi
  mov    %rbx,%rdi
  call   <strchr@plt>
  mov    %rax,%r14
  test   %rax,%rax
  je     L711
  cmpb   $0x0,0x1(%rax)
  je     L711
  lea    0x1(%rax),%r15
  mov    $0x7,%edx
  mov    %rbp,%rsi
  mov    %r15,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  je     L724
  mov    $0x6,%edx
  mov    %r13,%rsi
  mov    %r15,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L711
  lea    0x7(%r14),%rdi
  mov    $0x2c,%esi
  call   <strchr@plt>
  mov    %rax,%r14
  test   %rax,%rax
  je     L711
  lea    0x1(%rax),%r15
  mov    $0xd,%edx
  lea    D27(%rip),%rsi
  mov    %r15,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L657
  lea    0x11(%r14),%rdi
  call   <strdup@plt>
  mov    0x18(%rsp),%rcx
  mov    %rax,(%rcx)
  jmp    L711
L485:
  mov    $0xc,%edx
  lea    D195(%rip),%rsi
  mov    %r15,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L135
  lea    0x10(%r14),%rdi
  call   <strdup@plt>
  mov    0x10(%rsp),%rcx
  mov    %rax,(%rcx)
  jmp    L711
L135:
  mov    $0x9,%edx
  lea    D220(%rip),%rsi
  mov    %r15,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  je     L327
  mov    $0xc,%edx
  lea    D151(%rip),%rsi
  mov    %r15,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L711
  lea    0x10(%r14),%rdi
  call   <strdup@plt>
  mov    0x28(%rsp),%rcx
  mov    %rax,(%rcx)
  jmp    L711
L657:
  mov    $0xc,%edx
  lea    D195(%rip),%rsi
  mov    %r15,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L617
  lea    0x10(%r14),%rdi
  call   <strdup@plt>
  mov    0x30(%rsp),%rcx
  mov    %rax,(%rcx)
  jmp    L711
L258:
  mov    $0x5,%edx
  lea    D26(%rip),%rsi
  mov    %r15,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L422
L120:
  mov    %r12,%rdx
  mov    $0x400,%esi
  mov    %rbx,%rdi
  call   <fgets@plt>
  test   %rax,%rax
  je     L301
  movl   $0x2,(%rsp)
  jmp    L788
L534:
  mov    0x70(%rsp),%r15
  mov    $0xd,%edx
  lea    D158(%rip),%rsi
  mov    %r15,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L304
  mov    %r12,%rdx
  mov    $0x400,%esi
  mov    %rbx,%rdi
  call   <fgets@plt>
  test   %rax,%rax
  je     L301
  movl   $0x1,0x4(%rsp)
  jmp    L788
L585:
  mov    0x70(%rsp),%rdi
  mov    %rdi,0x48(%rsp)
  call   <strlen@plt>
  mov    0x40(%rsp),%rcx
  cmp    $0x5,%eax
  jle    L626
  cmpl   $0x1,(%rsp)
  mov    0x48(%rsp),%rdi
  je     L306
  cmpl   $0x2,(%rsp)
  jne    L422
  mov    0x4(%rsp),%eax
  cmp    $0x3,%eax
  je     L168
  cmp    $0x4,%eax
  je     L193
  cmp    $0x1,%eax
  je     L596
  cmp    $0x2,%eax
  jne    L422
  add    $0x3,%rdi
  call   <strdup@plt>
  mov    0x30(%rsp),%rcx
  mov    %rax,(%rcx)
  jmp    L120
  nopw   0x0(%rax,%rax,1)
L327:
  lea    0xd(%r14),%rdi
  call   <strdup@plt>
  mov    0x20(%rsp),%rcx
  mov    %rax,(%rcx)
  jmp    L711
L617:
  mov    $0x9,%edx
  lea    D220(%rip),%rsi
  mov    %r15,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L711
  lea    0xd(%r14),%rdi
  call   <strdup@plt>
  mov    0x38(%rsp),%rcx
  mov    %rax,(%rcx)
  jmp    L711
L470:
  mov    %rbp,%rsi
  lea    D155(%rip),%rdi
  call   <printf@plt>
  mov    %rbx,%rdi
  call   <free@plt>
  mov    $0xffffffff,%edi
  call   <exit@plt>
  jmp    L140
L304:
  mov    $0xc,%edx
  lea    D200(%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     L301
  movl   $0x2,0x4(%rsp)
  jmp    L788
L205:
  mov    $0x9,%edx
  lea    D39(%rip),%rsi
  mov    %r15,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L578
  mov    %r12,%rdx
  mov    $0x400,%esi
  mov    %rbx,%rdi
  call   <fgets@plt>
  test   %rax,%rax
  je     L301
  movl   $0x3,0x4(%rsp)
  jmp    L788
L306:
  mov    0x4(%rsp),%eax
  cmp    $0x3,%eax
  je     L337
  cmp    $0x4,%eax
  je     L193
  cmp    $0x1,%eax
  je     L154
  cmp    $0x2,%eax
  jne    L422
  add    $0x3,%rdi
  call   <strdup@plt>
  mov    0x10(%rsp),%rcx
  mov    %rax,(%rcx)
  jmp    L422
L848:
  lea    0x2(%r15),%rdi
  call   <strdup@plt>
  mov    0x20(%rsp),%rcx
  mov    %rax,(%rcx)
  jmp    L422
L193:
  add    $0x3,%rdi
  call   <strdup@plt>
  mov    0x28(%rsp),%rcx
  mov    %rax,(%rcx)
  jmp    L422
L154:
  add    $0x3,%rdi
  call   <strdup@plt>
  mov    0x8(%rsp),%rcx
  mov    %rax,(%rcx)
  jmp    L347
L337:
  add    $0x3,%rdi
  call   <strdup@plt>
  lea    D52(%rip),%rdi
  mov    %rax,%rsi
  mov    0x20(%rsp),%rax
  mov    %rsi,(%rax)
  call   <printf@plt>
  jmp    L422
L578:
  mov    $0xc,%edx
  lea    D229(%rip),%rsi
  mov    %r15,%rdi
  call   <strncmp@plt>
  test   %eax,%eax
  jne    L422
  mov    %r12,%rdx
  mov    $0x400,%esi
  mov    %rbx,%rdi
  call   <fgets@plt>
  test   %rax,%rax
  je     L301
  movl   $0x4,0x4(%rsp)
  jmp    L788
L168:
  add    $0x3,%rdi
  call   <strdup@plt>
  mov    0x38(%rsp),%rcx
  mov    %rax,(%rcx)
  jmp    L422
L596:
  add    $0x3,%rdi
  call   <strdup@plt>
  mov    0x18(%rsp),%rcx
  mov    %rax,(%rcx)
  jmp    L422
L770:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: extract_symbolic_data
arguments: data_tag: D41
type: string
name: extract_symbolic_data
arguments: data_tag: D120
type: string
name: extract_symbolic_data
arguments: data_tag: D90
type: string
name: extract_symbolic_data
arguments: data_tag: D10
type: string
name: extract_symbolic_data
arguments: data_tag: D2
type: string
name: extract_symbolic_data
arguments: data_tag: D98
type: string
name: extract_symbolic_data
arguments: data_tag: D119
type: string
name: extract_symbolic_data
arguments: data_tag: D189
type: string
name: extract_symbolic_data
arguments: data_tag: D209
type: string
name: extract_symbolic_data
arguments: data_tag: D82
type: string
name: extract_symbolic_data
arguments: data_tag: D27
type: string
name: extract_symbolic_data
arguments: data_tag: D195
type: string
name: extract_symbolic_data
arguments: data_tag: D220
type: string
name: extract_symbolic_data
arguments: data_tag: D151
type: string
name: extract_symbolic_data
arguments: data_tag: D26
type: string
name: extract_symbolic_data
arguments: data_tag: D158
type: string
name: extract_symbolic_data
arguments: data_tag: D155
type: string
name: extract_symbolic_data
arguments: data_tag: D200
type: string
name: extract_symbolic_data
arguments: data_tag: D39
type: string
name: extract_symbolic_data
arguments: data_tag: D52
type: string
name: extract_symbolic_data
arguments: data_tag: D229
type: string

tool: D41: r

tool: D120: L,0,PPP,Type,Identifier,Length,Protocol

tool: D90: Index,Slave/Master,Type,Description

tool: D10: Opcode

tool: D2: Random Number

tool: D98: Authentication Response

tool: D119: Frame

tool: D189: Master

tool: D209: Master,

tool: D82: Slave,

tool: D27: LMP_comb_key,

tool: D195: LMP_au_rand,

tool: D220: LMP_sres,

tool: D151: LMP_in_rand,

tool: D26: Slave

tool: D158: LMP_comb_key

tool: D155: Cant open file: %s


tool: D200: LMP_au_rand

tool: D39: LMP_sres

tool: D52: %s


tool: D229: 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] = {
      0,
  };
  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;
}
```