user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<ngrDistance>:
  endbr64
  push   %r15
  mov    $0x2,%eax
  movq   %xmm0,%r15
  push   %r14
  mov    %rdx,%r14
  push   %r13
  mov    %rdi,%r13
  lea    D11(%rip),%rdi
  push   %r12
  mov    %rsi,%r12
  mov    $0x31,%esi
  push   %rbp
  xor    %ebp,%ebp
  push   %rbx
  lea    D59(%rip),%rbx
  sub    $0x18,%rsp
  movsd  %xmm1,0x8(%rsp)
  call   <printf@plt>
  movsd  0x8(%rsp),%xmm1
  jmp    L11
  nopl   (%rax)
L17:
  add    $0x1,%ebp
  add    $0x38,%rbx
  cmp    $0x31,%ebp
  je     L16
L11:
  movsd  0x8(%rbx),%xmm3
  movsd  (%rbx),%xmm2
  mov    $0x4b,%edi
  movq   %r15,%xmm0
  movsd  %xmm1,0x8(%rsp)
  call   <geoDistance@plt>
  movsd  0x8(%rsp),%xmm1
  cmp    $0x3b,%eax
  jg     L17
  movslq %ebp,%rbp
  lea    D43(%rip),%rdi
  xor    %eax,%eax
  lea    0x0(,%rbp,8),%rbx
  sub    %rbp,%rbx
  lea    D45(%rip),%rbp
  shl    $0x3,%rbx
  lea    0x5(%rbp,%rbx,1),%r15
  lea    (%rbx,%rbp,1),%rsi
  mov    %r15,%rdx
  mov    %rsi,0x8(%rsp)
  call   <printf@plt>
  mov    0x8(%rsp),%rsi
  mov    %r14,%rdi
  call   <strcpy@plt>
  mov    %r15,%rsi
  mov    %r13,%rdi
  call   <strcpy@plt>
  lea    0x17(%rbp,%rbx,1),%rsi
  mov    %r12,%rdi
  call   <strcpy@plt>
  movsd  D9(%rip),%xmm0
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   (%rax)
L16:
  lea    D31(%rip),%rdi
  call   <puts@plt>
  add    $0x18,%rsp
  pxor   %xmm0,%xmm0
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

tool_calls: name: retrieve_data
arguments: data_tag: D11
type_infered: string
name: retrieve_data
arguments: data_tag: D43
type_infered: string
name: retrieve_data
arguments: data_tag: D9
type_infered: byte[8]
name: retrieve_data
arguments: data_tag: D31
type_infered: string

tool: D11: The size of ngrLookup is %ld, lat %f, long %f 


tool: D43: You are located in square %s located in %s


tool: {"D9": [0x00,0x00,0x00,0x00,0x00,0x00,0xf0,0x3f]}

tool: D31: Location not found

assistant: ```c
double ngrDistance(double lat, double lng, char *country1, char *country2, char *ngr) {
  uint16_t i;
  static struct ngrLookupStruct {
    char ngr[5];
    char country1[18];
    char country2[10];
    double lat;
    double lon;
  } ngrLookup[] = {{"SV", "England", "", 50.246, -6.911}, {"SW", "England", "", 50.297, -5.511}, {"SX", "England", "", 50.330, -4.109}, {"SY", "England", "", 50.348, -2.704}, {"SZ", "England", "", 50.348, -1.3}, {"TV", "England", "", 50.331, 0.106}, {"SR", "Wales", "", 51.194388, -5.579542}, {"SS", "England", "Wales", 51.229421, -4.149717}, {"ST", "England", "Wales", 51.246969, -2.717735}, {"SU", "England", "", 51.246989, -1.285031}, {"TQ", "England", "", 51.229482, 0.146955}, {"TR", "England", "", 51.194489, 1.576786}, {"SM", "Wales", "", 52.091722, -5.651005}, {"SN", "Wales", "", 52.127894, -4.192711}, {"SO", "England", "Wales", 52.146013, -2.732105}, {"SP", "England", "", 52.146034, -1.270726}, {"TL", "England", "", 53.026267, 0.235122}, {"TM", "England", "", 52.091825, 1.648184}, {"SH", "Wales", "", 53.026202, -4.238019}, {"SJ", "England", "Wales", 53.044916, -2.747250}, {"SK", "England", "", 53.044937, -1.255651}, {"TF", "England", "", 53.026267, 0.235122}, {"TG", "England", "", 52.988951, 1.723418}, {"SC", "England", "", 53.924346, -4.285810}, {"SD", "England", "", 53.943679, -2.763226}, {"SE", "England", "", 53.943701, -1.239749}, {"TA", "England", "", 54.782439, -5.889575}, {"NW", "Northern_Ireland", "", 54.782439, -5.889575}, {"NX", "England", "Scotland", 54.822323, -4.336271}, {"NY", "England", "Scotland", 54.842304, -2.780095}, {"NZ", "England", "Scotland", 54.842327, -1.222957}, {"OV", "England", "", 54.822392, 0.333224}, {"NR", "Scotland", "", 55.678902, -5.978189}, {"NS", "Scotland", "", 55.720134, -4.389608}, {"NT", "Scotland", "", 55.740791, -2.797926}, {"NU", "Scotland", "", 55.740815, -1.205207}, {"NL", "Scotland", "", 56.511336, -7.692291}, {"NM", "Scotland", "", 56.575134, -6.071947}, {"NN", "Scotland", "", 56.617777, -4.446048}, {"NO", "Scotland", "", 56.639142, -2.816797}, {"NF", "Scotland", "", 57.405124, -7.830669}, {"NG", "Scotland", "", 57.471129, -6.171267}, {"NH", "Scotland", "", 57.515251, -4.505847}, {"NJ", "Scotland", "", 57.537358, -2.836792}, {"NK", "Scotland", "", 57.537383, -1.166519}, {"NA", "Scotland", "", 58.298558, -7.977409}, {"NB", "Scotland", "", 58.366878, -6.276616}, {"NC", "Scotland", "", 58.412554, -4.569285}, {"ND", "Scotland", "", 58.435441, -2.858005}};
  printf("The size of ngrLookup is %ld, lat %f, long %f \n", sizeof(ngrLookup) / sizeof(ngrLookup[0]), lat, lng);
  for (i = 0; i < sizeof(ngrLookup) / sizeof(ngrLookup[0]); i++) {
    if (geoDistance(lat, lng, ngrLookup[i].lat, ngrLookup[i].lon, 'K') < 60) {
      printf("You are located in square %s located in %s\n", ngrLookup[i].ngr, ngrLookup[i].country1);
      strcpy(ngr, ngrLookup[i].ngr);
      strcpy(country1, ngrLookup[i].country1);
      strcpy(country2, ngrLookup[i].country2);
      return 1;
    }
  }
  printf("Location not found\n");
  return 0;
}
```