user: 请显示与下面列出的汇编代码相匹配的C语言实现:

```asm
<main>:
  endbr64
  push   %rbp
  mov    $0x20,%edi
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  lea    -0x170(%rbp),%rdx
  push   %r13
  push   %r12
  push   %rbx
  sub    $0x198,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  lea    -0x140(%rbp),%rax
  mov    %rax,%rsi
  mov    %rax,-0x1b8(%rbp)
  call   <clGetPlatformIDs@plt>
  mov    D74(%rip),%r14
  mov    %rax,-0x178(%rbp)
  cmp    (%r14),%rax
  je     L110
L50:
  mov    D101(%rip),%rax
  mov    (%rax),%eax
L139:
  mov    -0x38(%rbp),%rdx
  sub    %fs:0x28,%rdx
  jne    L191
  lea    -0x28(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
L110:
  lea    -0x168(%rbp),%rax
  movq   $0x0,-0x1a8(%rbp)
  mov    %rax,-0x1c0(%rbp)
  lea    -0xc0(%rbp),%rax
  mov    %rax,-0x1b0(%rbp)
  lea    -0x17c(%rbp),%rax
  mov    %rax,-0x1a0(%rbp)
L175:
  mov    -0x1a8(%rbp),%rax
  cmp    %rax,-0x170(%rbp)
  jbe    L96
  mov    -0x1b8(%rbp),%rax
  mov    -0x1a8(%rbp),%rbx
  mov    $0x20,%edx
  mov    -0x1c0(%rbp),%r8
  mov    -0x1b0(%rbp),%rcx
  mov    (%rax,%rbx,4),%edi
  mov    D108(%rip),%rax
  mov    (%rax),%esi
  call   <clGetDeviceIDs@plt>
  mov    %rax,-0x178(%rbp)
  cmp    (%r14),%rax
  jne    L50
  cmpq   $0x0,-0x168(%rbp)
  je     L48
  mov    -0x1b0(%rbp),%rbx
  lea    -0x178(%rbp),%r15
  movq   $0x0,-0x188(%rbp)
L216:
  mov    %r15,%r9
  xor    %r8d,%r8d
  xor    %ecx,%ecx
  mov    %rbx,%rdx
  mov    $0x1,%esi
  xor    %edi,%edi
  mov    %rsp,-0x190(%rbp)
  call   <clCreateContext@plt>
  mov    %eax,%r13d
  mov    (%r14),%rax
  cmp    %rax,-0x178(%rbp)
  jne    L183
  mov    (%rbx),%esi
  mov    %r15,%rcx
  xor    %edx,%edx
  mov    %r13d,%edi
  call   <clCreateCommandQueue@plt>
  mov    %rax,%r12
  mov    (%r14),%rax
  cmp    %rax,-0x178(%rbp)
  jne    L183
  lea    -0x2000(%rsp),%rax
  cmp    %rax,%rsp
  je     L112
L79:
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  cmp    %rax,%rsp
  jne    L79
L112:
  mov    D83(%rip),%rax
  xor    %ecx,%ecx
  mov    $0x2000,%edx
  mov    (%rax),%esi
  mov    %rsp,%r9
  mov    %r13d,%edi
  mov    %r15,%r8
  mov    %r9,-0x198(%rbp)
  call   <clCreateBuffer@plt>
  mov    -0x198(%rbp),%r9
  mov    %eax,%r13d
  mov    (%r14),%rax
  cmp    %rax,-0x178(%rbp)
  jne    L183
  sub    $0x8,%rsp
  mov    D28(%rip),%rax
  xor    %ecx,%ecx
  mov    %r13d,%esi
  push   -0x1a0(%rbp)
  mov    $0x2000,%r8d
  mov    %r12,%rdi
  push   $0x0
  push   $0x0
  mov    (%rax),%edx
  call   <clEnqueueReadBuffer@plt>
  add    $0x20,%rsp
  cmp    (%r14),%rax
  jne    L183
  mov    %r12,%rdi
  call   <clFinish@plt>
  mov    -0x17c(%rbp),%edi
  mov    D1(%rip),%rax
  lea    -0x158(%rbp),%r8
  lea    -0x160(%rbp),%rcx
  mov    $0x8,%edx
  mov    %r8,-0x198(%rbp)
  mov    (%rax),%esi
  call   <clGetEventInfo@plt>
  cmp    (%r14),%rax
  mov    -0x198(%rbp),%r8
  jne    L183
  cmpq   $0x8,-0x158(%rbp)
  jne    L183
  cmp    %r12,-0x160(%rbp)
  jne    L183
  mov    D16(%rip),%rax
  mov    -0x17c(%rbp),%edi
  lea    -0x150(%rbp),%rcx
  mov    $0x8,%edx
  mov    %r8,-0x198(%rbp)
  mov    (%rax),%esi
  call   <clGetEventInfo@plt>
  cmp    (%r14),%rax
  mov    -0x198(%rbp),%r8
  jne    L183
  cmpq   $0x8,-0x158(%rbp)
  jne    L183
  mov    D17(%rip),%rax
  mov    (%rax),%rax
  cmp    %rax,-0x150(%rbp)
  jne    L183
  mov    D11(%rip),%rax
  mov    -0x17c(%rbp),%edi
  mov    $0x8,%edx
  lea    -0x148(%rbp),%rcx
  mov    (%rax),%esi
  call   <clGetEventInfo@plt>
  cmp    (%r14),%rax
  jne    L183
  cmpq   $0x8,-0x158(%rbp)
  jne    L183
  mov    D36(%rip),%rax
  mov    (%rax),%rax
  cmp    %rax,-0x148(%rbp)
  jne    L183
  mov    -0x17c(%rbp),%edi
  add    $0x4,%rbx
  call   <clReleaseEvent@plt>
  mov    %r13d,%edi
  call   <clReleaseMemObject@plt>
  mov    %r12,%rdi
  call   <clReleaseCommandQueue@plt>
  addq   $0x1,-0x188(%rbp)
  mov    -0x190(%rbp),%rsp
  mov    -0x188(%rbp),%rax
  cmp    %rax,-0x168(%rbp)
  ja     L216
L48:
  addq   $0x1,-0x1a8(%rbp)
  jmp    L175
L183:
  mov    D101(%rip),%rax
  mov    (%rax),%eax
  mov    -0x190(%rbp),%rsp
  jmp    L139
L96:
  mov    D24(%rip),%rax
  mov    (%rax),%eax
  jmp    L139
L191:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int main(void) {
  cl_int err;
  cl_platform_id platforms[32];
  cl_uint nplatforms;
  cl_device_id devices[32];
  cl_uint ndevices;
  cl_uint i, j;
  err = clGetPlatformIDs(32, platforms, &nplatforms);
  if (err != CL_SUCCESS)
    return EXIT_FAILURE;
  for (i = 0; i < nplatforms; i++) {
    err = clGetDeviceIDs(platforms[i], CL_DEVICE_TYPE_ALL, 32, devices, &ndevices);
    if (err != CL_SUCCESS)
      return EXIT_FAILURE;
    for (j = 0; j < ndevices; j++) {
      cl_context context = clCreateContext(NULL, 1, &devices[j], NULL, NULL, &err);
      if (err != CL_SUCCESS)
        return EXIT_FAILURE;
      cl_command_queue queue = clCreateCommandQueue(context, devices[j], 0, &err);
      if (err != CL_SUCCESS)
        return EXIT_FAILURE;
      const int buf_size = 1024;
      cl_int host_buf[buf_size];
      cl_mem buf = clCreateBuffer(context, CL_MEM_READ_WRITE, sizeof(cl_int) * buf_size, NULL, &err);
      if (err != CL_SUCCESS)
        return EXIT_FAILURE;
      cl_event buf_event;
      if (clEnqueueReadBuffer(queue, buf, CL_TRUE, 0, sizeof(cl_int) * buf_size, &host_buf, 0, NULL, &buf_event) != CL_SUCCESS)
        return EXIT_FAILURE;
      clFinish(queue);
      cl_command_queue event_command_queue;
      size_t param_val_size_ret;
      if (clGetEventInfo(buf_event, CL_EVENT_COMMAND_QUEUE, sizeof(cl_command_queue), &event_command_queue, &param_val_size_ret) != CL_SUCCESS)
        return EXIT_FAILURE;
      if (param_val_size_ret != sizeof(cl_command_queue) || event_command_queue != queue)
        return EXIT_FAILURE;
      cl_command_type command_type;
      if (clGetEventInfo(buf_event, CL_EVENT_COMMAND_TYPE, sizeof(cl_command_type), &command_type, &param_val_size_ret) != CL_SUCCESS)
        return EXIT_FAILURE;
      if (param_val_size_ret != sizeof(cl_command_type) || command_type != CL_COMMAND_READ_BUFFER)
        return EXIT_FAILURE;
      cl_int execution_status;
      if (clGetEventInfo(buf_event, CL_EVENT_COMMAND_EXECUTION_STATUS, sizeof(cl_int), &execution_status, &param_val_size_ret) != CL_SUCCESS)
        return EXIT_FAILURE;
      if (param_val_size_ret != sizeof(cl_int) || execution_status != CL_COMPLETE)
        return EXIT_FAILURE;
      clReleaseEvent(buf_event);
      clReleaseMemObject(buf);
      clReleaseCommandQueue(queue);
    }
  }
  return EXIT_SUCCESS;
}
```