user: 请显示与下面列出的汇编代码相匹配的C语言实现：

```asm
<osfreq>:
  endbr64
  push   %r15
  lea    D12(%rip),%rdi
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  lea    D106(%rip),%rbp
  push   %rbx
  mov    %rbp,%rsi
  sub    $0x18,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x8(%rsp)
  xor    %eax,%eax
  call   <fopen@plt>
  test   %rax,%rax
  je     L164
  mov    %rax,%rdi
  mov    %rax,%r13
  mov    %rsp,%rdx
  xor    %eax,%eax
  lea    D254(%rip),%rsi
  call   <fscanf@plt>
  mov    %r13,%rdi
  mov    %eax,%ebx
  call   <fclose@plt>
  test   %ebx,%ebx
  jg     L318
L164:
  lea    D129(%rip),%r14
  mov    %rbp,%rsi
  mov    %r14,%rdi
  call   <fopen@plt>
  mov    %rax,%r15
  test   %rax,%rax
  je     L321
  mov    %rsp,%r12
  lea    D265(%rip),%rbx
  lea    D276(%rip),%r13
  jmp    L350
  nopl   0x0(%rax,%rax,1)
L88:
  test   %eax,%eax
  js     L84
L350:
  xor    %eax,%eax
  mov    %r12,%rdx
  mov    %rbx,%rsi
  mov    %r15,%rdi
  call   <fscanf@plt>
  test   %eax,%eax
  jg     L155
  jne    L88
  xor    %eax,%eax
  mov    %r13,%rsi
  mov    %r15,%rdi
  call   <fscanf@plt>
  test   %eax,%eax
  jns    L350
L84:
  movq   $0x0,(%rsp)
L155:
  mov    %r15,%rdi
  call   <fclose@plt>
  movsd  (%rsp),%xmm0
  ucomisd D75(%rip),%xmm0
  jp     L368
  jne    L368
L321:
  mov    %r14,%rdi
  mov    %rbp,%rsi
  call   <fopen@plt>
  mov    %rax,%r14
  test   %rax,%rax
  je     L413
  mov    %rsp,%r12
  lea    D236(%rip),%rbx
  lea    D276(%rip),%r13
  jmp    L44
  nopw   0x0(%rax,%rax,1)
L42:
  test   %eax,%eax
  js     L224
L44:
  xor    %eax,%eax
  mov    %r12,%rdx
  mov    %rbx,%rsi
  mov    %r14,%rdi
  call   <fscanf@plt>
  test   %eax,%eax
  jg     L101
  jne    L42
  xor    %eax,%eax
  mov    %r13,%rsi
  mov    %r14,%rdi
  call   <fscanf@plt>
  test   %eax,%eax
  jns    L44
L224:
  movq   $0x0,(%rsp)
L101:
  mov    %r14,%rdi
  call   <fclose@plt>
  movsd  (%rsp),%xmm0
  ucomisd D75(%rip),%xmm0
  jp     L368
  jne    L368
L413:
  mov    %rbp,%rsi
  lea    D60(%rip),%rdi
  call   <fopen@plt>
  mov    %rax,%r13
  test   %rax,%rax
  je     L194
  mov    %rax,%rdi
  mov    %rsp,%rdx
  lea    D254(%rip),%rsi
  xor    %eax,%eax
  call   <fscanf@plt>
  mov    %r13,%rdi
  mov    %eax,%ebx
  call   <fclose@plt>
  test   %ebx,%ebx
  jg     L129
L194:
  mov    %rbp,%rsi
  lea    D150(%rip),%rdi
  call   <fopen@plt>
  mov    %rax,%r13
  test   %rax,%rax
  je     L146
  mov    %rax,%rdi
  mov    %rsp,%rdx
  lea    D254(%rip),%rsi
  xor    %eax,%eax
  call   <fscanf@plt>
  mov    %r13,%rdi
  mov    %eax,%ebx
  call   <fclose@plt>
  test   %ebx,%ebx
  jg     L129
L146:
  mov    %rbp,%rsi
  lea    D99(%rip),%rdi
  call   <fopen@plt>
  mov    %rax,%r13
  test   %rax,%rax
  je     L217
  mov    %rax,%rdi
  mov    %rsp,%rdx
  lea    D254(%rip),%rsi
  xor    %eax,%eax
  call   <fscanf@plt>
  mov    %r13,%rdi
  mov    %eax,%ebx
  call   <fclose@plt>
  test   %ebx,%ebx
  jg     L318
L217:
  mov    %rbp,%rsi
  lea    D131(%rip),%rdi
  call   <popen@plt>
  mov    %rax,%r13
  test   %rax,%rax
  je     L427
  mov    %rax,%rdi
  mov    %rsp,%rdx
  lea    D183(%rip),%rsi
  xor    %eax,%eax
  call   <fscanf@plt>
  mov    %r13,%rdi
  mov    %eax,%ebx
  call   <pclose@plt>
  test   %ebx,%ebx
  jle    L427
  movsd  (%rsp),%xmm0
  comisd D75(%rip),%xmm0
  ja     L67
L427:
  mov    %rbp,%rsi
  lea    D235(%rip),%rdi
  call   <popen@plt>
  mov    %rax,%r13
  test   %rax,%rax
  je     L160
  mov    %rax,%rdi
  mov    %rsp,%rdx
  lea    D126(%rip),%rsi
  xor    %eax,%eax
  call   <fscanf@plt>
  mov    %r13,%rdi
  mov    %eax,%ebx
  call   <pclose@plt>
  test   %ebx,%ebx
  jg     L318
L160:
  mov    %rbp,%rsi
  lea    D198(%rip),%rdi
  call   <popen@plt>
  mov    %rax,%r13
  test   %rax,%rax
  je     L116
  mov    %rsp,%r12
  lea    D268(%rip),%rbx
  lea    D276(%rip),%rbp
  jmp    L292
  cs nopw 0x0(%rax,%rax,1)
L354:
  test   %eax,%eax
  js     L53
L292:
  xor    %eax,%eax
  mov    %r12,%rdx
  mov    %rbx,%rsi
  mov    %r13,%rdi
  call   <fscanf@plt>
  test   %eax,%eax
  jg     L316
  jne    L354
  mov    %rbp,%rsi
  mov    %r13,%rdi
  xor    %eax,%eax
  call   <fscanf@plt>
  jmp    L354
  nopl   0x0(%rax)
L318:
  movsd  (%rsp),%xmm0
L67:
  mov    0x8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L182
  add    $0x18,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L53:
  movq   $0x0,(%rsp)
L316:
  mov    %r13,%rdi
  call   <pclose@plt>
  movsd  (%rsp),%xmm0
  ucomisd D75(%rip),%xmm0
  jp     L368
  je     L116
  nopl   0x0(%rax)
L368:
  mulsd  D257(%rip),%xmm0
  jmp    L67
  nopw   0x0(%rax,%rax,1)
L129:
  movsd  D110(%rip),%xmm0
  mulsd  (%rsp),%xmm0
  jmp    L67
L116:
  lea    D96(%rip),%rdi
  call   <getenv@plt>
  mov    %rax,%rdi
  test   %rax,%rax
  je     L119
  mov    %rsp,%rdx
  lea    D254(%rip),%rsi
  call   <sscanf@plt>
  test   %eax,%eax
  jg     L318
L119:
  pxor   %xmm0,%xmm0
  jmp    L67
L182:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: data_label: D12
type: string
name: unpack_data
arguments: data_label: D106
type: string
name: unpack_data
arguments: data_label: D254
type: string
name: unpack_data
arguments: data_label: D129
type: string
name: unpack_data
arguments: data_label: D265
type: string
name: unpack_data
arguments: data_label: D276
type: string
name: unpack_data
arguments: data_label: D75
type: byte[16]
name: unpack_data
arguments: data_label: D236
type: string
name: unpack_data
arguments: data_label: D60
type: string
name: unpack_data
arguments: data_label: D150
type: string
name: unpack_data
arguments: data_label: D99
type: string
name: unpack_data
arguments: data_label: D131
type: string
name: unpack_data
arguments: data_label: D183
type: string
name: unpack_data
arguments: data_label: D235
type: string
name: unpack_data
arguments: data_label: D126
type: string
name: unpack_data
arguments: data_label: D198
type: string
name: unpack_data
arguments: data_label: D268
type: string
name: unpack_data
arguments: data_label: D257
type: f64
name: unpack_data
arguments: data_label: D110
type: f64
name: unpack_data
arguments: data_label: D96
type: string

tool: D12: /etc/cpucyclespersecond

tool: D106: r

tool: D254: %lf

tool: D129: /proc/cpuinfo

tool: D265: cpu MHz : %lf

tool: D276: %*[^
]


tool: {"D75": [0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x84,0x2e,0x41]}

tool: D236: clock : %lf

tool: D60: /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed

tool: D150: /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq

tool: D99: /sys/devices/system/cpu/cpu0/clock_tick

tool: D131: sysctl hw.cpufrequency 2>/dev/null

tool: D183: hw.cpufrequency: %lf

tool: D235: /usr/sbin/lsattr -E -l proc0 -a frequency 2>/dev/null

tool: D126: frequency %lf

tool: D198: /usr/sbin/psrinfo -v 2>/dev/null

tool: D268:  The %*s processor operates at %lf MHz

tool: D257: 1000000

tool: D110: 1000

tool: D96: cpucyclespersecond

assistant: ```c
double osfreq(void) {
  FILE *f;
  char *x;
  double result;
  int s;
  f = fopen("/etc/cpucyclespersecond", "r");
  if (f) {
    s = fscanf(f, "%lf", &result);
    fclose(f);
    if (s > 0)
      return result;
  }
  f = fopen("/proc/cpuinfo", "r");
  if (f) {
    for (;;) {
      s = fscanf(f, "cpu MHz : %lf", &result);
      if (s > 0)
        break;
      if (s == 0)
        s = fscanf(f, "%*[^\n]\n");
      if (s < 0) {
        result = 0;
        break;
      }
    }
    fclose(f);
    if (result)
      return 1000000.0 * result;
  }
  f = fopen("/proc/cpuinfo", "r");
  if (f) {
    for (;;) {
      s = fscanf(f, "clock : %lf", &result);
      if (s > 0)
        break;
      if (s == 0)
        s = fscanf(f, "%*[^\n]\n");
      if (s < 0) {
        result = 0;
        break;
      }
    }
    fclose(f);
    if (result)
      return 1000000.0 * result;
  }
  f = fopen("/sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed", "r");
  if (f) {
    s = fscanf(f, "%lf", &result);
    fclose(f);
    if (s > 0)
      return 1000.0 * result;
  }
  f = fopen("/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq", "r");
  if (f) {
    s = fscanf(f, "%lf", &result);
    fclose(f);
    if (s > 0)
      return 1000.0 * result;
  }
  f = fopen("/sys/devices/system/cpu/cpu0/clock_tick", "r");
  if (f) {
    s = fscanf(f, "%lf", &result);
    fclose(f);
    if (s > 0)
      return result;
  }
  f = popen("sysctl hw.cpufrequency 2>/dev/null", "r");
  if (f) {
    s = fscanf(f, "hw.cpufrequency: %lf", &result);
    pclose(f);
    if (s > 0)
      if (result > 0)
        return result;
  }
  f = popen("/usr/sbin/lsattr -E -l proc0 -a frequency 2>/dev/null", "r");
  if (f) {
    s = fscanf(f, "frequency %lf", &result);
    pclose(f);
    if (s > 0)
      return result;
  }
  f = popen("/usr/sbin/psrinfo -v 2>/dev/null", "r");
  if (f) {
    for (;;) {
      s = fscanf(f, " The %*s processor operates at %lf MHz", &result);
      if (s > 0)
        break;
      if (s == 0)
        s = fscanf(f, "%*[^\n]\n");
      if (s < 0) {
        result = 0;
        break;
      }
    }
    pclose(f);
    if (result)
      return 1000000.0 * result;
  }
  x = getenv("cpucyclespersecond");
  if (x) {
    s = sscanf(x, "%lf", &result);
    if (s > 0)
      return result;
  }
  return 0;
}
```