Function hipMemAllocHost

pub unsafe extern "C" fn hipMemAllocHost(
    ptr: *mut *mut c_void,
    size: usize,
) -> hipError_t

@brief Allocate pinned host memory [Deprecated]

@param[out] ptr Pointer to the allocated host pinned memory @param[in] size Requested memory size

If size is 0, no memory is allocated, *ptr returns nullptr, and hipSuccess is returned.

@return #hipSuccess, #hipErrorOutOfMemory

@warning This API is deprecated, use hipHostMalloc() instead