user: Demonstrate the C code that generates the assembly output below:

```asm
<main>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  mov    %rsi,%rbx
  sub    $0x168,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x158(%rsp)
  xor    %eax,%eax
  cmp    $0x3,%edi
  je     L57
  lea    D135(%rip),%rdi
  call   <printf@plt>
  mov    $0x1,%edi
  call   <exit@plt>
L57:
  mov    0x8(%rbx),%rdi
  lea    D145(%rip),%rsi
  call   <fopen@plt>
  mov    %rax,%r12
  test   %rax,%rax
  je     L86
L1:
  mov    0x10(%rbx),%rdi
  lea    D131(%rip),%rsi
  call   <fopen@plt>
  mov    %rax,%r14
  test   %rax,%rax
  je     L117
L110:
  pxor   %xmm5,%xmm5
  lea    0x50(%rsp),%rbx
  lea    D9(%rip),%rbp
  movsd  %xmm5,(%rsp)
L11:
  lea    D127(%rip),%r13
  jmp    L109
  nopl   0x0(%rax)
L32:
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <strtok@plt>
  mov    $0x3,%edx
  mov    %r13,%rsi
  lea    0x3(%rax),%rdi
  call   <strncmp@plt>
  test   %rax,%rax
  je     L36
L109:
  mov    %r12,%rdx
  mov    $0x100,%esi
  mov    %rbx,%rdi
  call   <fgets@plt>
  test   %rax,%rax
  jne    L32
  mov    %r12,%rdi
  call   <fclose@plt>
  mov    %r14,%rdi
  call   <fclose@plt>
  mov    0x158(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L47
  add    $0x168,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax)
L36:
  xor    %edi,%edi
  mov    %rbp,%rsi
  lea    0x48(%rsp),%r13
  call   <strtok@plt>
  xor    %edi,%edi
  mov    %rbp,%rsi
  call   <strtok@plt>
  mov    $0x2,%edx
  mov    %r13,%rdi
  mov    %rax,%rsi
  mov    %rax,%r15
  call   <strncpy@plt>
  mov    %r13,%rdi
  movb   $0x0,0x4a(%rsp)
  call   <atof@plt>
  lea    0x2(%r15),%rdi
  movsd  %xmm0,0x8(%rsp)
  call   <atof@plt>
  divsd  D24(%rip),%xmm0
  addsd  0x8(%rsp),%xmm0
  xor    %edi,%edi
  mov    %rbp,%rsi
  movsd  %xmm0,0x10(%rsp)
  call   <strtok@plt>
  movsd  0x10(%rsp),%xmm0
  cmpb   $0x53,(%rax)
  jne    L101
  xorpd  D108(%rip),%xmm0
L101:
  xor    %edi,%edi
  mov    %rbp,%rsi
  divsd  D143(%rip),%xmm0
  movsd  %xmm0,0x10(%rsp)
  call   <strtok@plt>
  mov    $0x3,%edx
  mov    %r13,%rdi
  mov    %rax,%rsi
  mov    %rax,%r15
  call   <strncpy@plt>
  mov    %r13,%rdi
  movb   $0x0,0x4b(%rsp)
  call   <atof@plt>
  lea    0x3(%r15),%rdi
  movsd  %xmm0,0x8(%rsp)
  call   <atof@plt>
  divsd  D24(%rip),%xmm0
  addsd  0x8(%rsp),%xmm0
  xor    %edi,%edi
  mov    %rbp,%rsi
  movsd  %xmm0,0x18(%rsp)
  call   <strtok@plt>
  movsd  0x18(%rsp),%xmm0
  cmpb   $0x57,(%rax)
  jne    L46
  xorpd  D108(%rip),%xmm0
L46:
  mov    %rbp,%rsi
  xor    %edi,%edi
  divsd  D143(%rip),%xmm0
  movsd  %xmm0,0x18(%rsp)
  call   <strtok@plt>
  mov    %rbp,%rsi
  xor    %edi,%edi
  call   <strtok@plt>
  mov    %rbp,%rsi
  xor    %edi,%edi
  call   <strtok@plt>
  mov    %rbp,%rsi
  xor    %edi,%edi
  call   <strtok@plt>
  mov    %rax,%rdi
  call   <atof@plt>
  mov    %rbp,%rsi
  xor    %edi,%edi
  movsd  %xmm0,0x20(%rsp)
  call   <strtok@plt>
  mov    %rbp,%rsi
  xor    %edi,%edi
  call   <strtok@plt>
  mov    %rax,%rdi
  call   <atof@plt>
  addsd  0x20(%rsp),%xmm0
  lea    0x30(%rsp),%rsi
  lea    0x10(%rsp),%rdi
  movsd  %xmm0,0x20(%rsp)
  call   <llh2xyz@plt>
  movsd  0x40(%rsp),%xmm3
  movsd  0x38(%rsp),%xmm2
  mov    %r14,%rdi
  movsd  0x30(%rsp),%xmm1
  movsd  (%rsp),%xmm0
  lea    D14(%rip),%rsi
  call   <fprintf@plt>
  movsd  (%rsp),%xmm4
  addsd  D126(%rip),%xmm4
  movsd  %xmm4,(%rsp)
  jmp    L11
L117:
  lea    D51(%rip),%rdi
  call   <printf@plt>
  mov    $0x1,%edi
  call   <exit@plt>
  jmp    L110
L86:
  lea    D48(%rip),%rdi
  call   <printf@plt>
  mov    $0x1,%edi
  call   <exit@plt>
  jmp    L1
L47:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: tag: D135
type_guessed: string
name: retrieve_data
arguments: tag: D145
type_guessed: string
name: retrieve_data
arguments: tag: D131
type_guessed: string
name: retrieve_data
arguments: tag: D9
type_guessed: string
name: retrieve_data
arguments: tag: D127
type_guessed: string
name: retrieve_data
arguments: tag: D24
type_guessed: f64
name: retrieve_data
arguments: tag: D108
type_guessed: f32[4]
name: retrieve_data
arguments: tag: D143
type_guessed: f64
name: retrieve_data
arguments: tag: D14
type_guessed: string
name: retrieve_data
arguments: tag: D126
type_guessed: f64
name: retrieve_data
arguments: tag: D51
type_guessed: string
name: retrieve_data
arguments: tag: D48
type_guessed: string

tool: D135: Usage: nmea2um <nmea_gga> <user_motion>


tool: D145: rt

tool: D131: wt

tool: D9: ,

tool: D127: GGA

tool: D24: 60

tool: {"D108": [0.0,-0.0,0.0,0.0]}

tool: D143: 57.2957795131

tool: D14: %5.1f,%12.3f,%12.3f,%12.3f


tool: D126: 0.1

tool: D51: Failed to open user motion file.


tool: D48: Failed to open NMEA file.


assistant: ```c
int main(int argc, char *argv[]) {
  FILE *inp, *outp;
  char str[256];
  char *token;
  double llh[3], xyz[3], t = 0.0;
  char tmp[8];
  if (argc != 3) {
    printf("Usage: nmea2um <nmea_gga> <user_motion>\n");
    exit(1);
  }
  if ((inp = fopen(argv[1], "rt")) == NULL) {
    printf("Failed to open NMEA file.\n");
    exit(1);
  }
  if ((outp = fopen(argv[2], "wt")) == NULL) {
    printf("Failed to open user motion file.\n");
    exit(1);
  }
  while (1) {
    if (fgets(str, 256, inp) == NULL)
      break;
    token = strtok(str, ",");
    if (strncmp(token + 3, "GGA", 3) == 0) {
      token = strtok(NULL, ",");
      token = strtok(NULL, ",");
      strncpy(tmp, token, 2);
      tmp[2] = 0;
      llh[0] = atof(tmp) + atof(token + 2) / 60.0;
      token = strtok(NULL, ",");
      if (token[0] == 'S')
        llh[0] *= -1.0;
      llh[0] /= 57.2957795131;
      token = strtok(NULL, ",");
      strncpy(tmp, token, 3);
      tmp[3] = 0;
      llh[1] = atof(tmp) + atof(token + 3) / 60.0;
      token = strtok(NULL, ",");
      if (token[0] == 'W')
        llh[1] *= -1.0;
      llh[1] /= 57.2957795131;
      token = strtok(NULL, ",");
      token = strtok(NULL, ",");
      token = strtok(NULL, ",");
      token = strtok(NULL, ",");
      llh[2] = atof(token);
      token = strtok(NULL, ",");
      token = strtok(NULL, ",");
      llh[2] += atof(token);
      llh2xyz(llh, xyz);
      fprintf(outp, "%5.1f,%12.3f,%12.3f,%12.3f\n", t, xyz[0], xyz[1], xyz[2]);
      t += 0.1;
    }
  }
  fclose(inp);
  fclose(outp);
  return (0);
}
```