pub unsafe extern "system" fn clGetPlatformInfo(
platform: cl_platform_id,
param_name: cl_platform_info,
param_value_size: size_t,
param_value: *mut c_void,
param_value_size_ret: *mut size_t,
) -> cl_intpub unsafe extern "system" fn clGetPlatformInfo(
platform: cl_platform_id,
param_name: cl_platform_info,
param_value_size: size_t,
param_value: *mut c_void,
param_value_size_ret: *mut size_t,
) -> cl_int