Fix getOriginalTermios error not propagated when called multiple times #63

	name: tests
	on:
	pull_request:
	branches: [ master ]
	push:
	branches: [ master ]

	jobs:
	test:
	name: Run tests
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-latest, windows-latest, macos-latest]
	go: ['1.19', '1.20']
	steps:
	- name: Set up Go
	uses: actions/setup-go@v4
	with:
	go-version: ${{ matrix.go }}
	id: go
	- name: Check out code into the Go module directory
	uses: actions/checkout@master
	- name: Running go tests
	env:
	GO111MODULE: on
	run: make test

	examples:
	name: Build examples
	runs-on: ubuntu-latest
	steps:
	- name: Set up Go
	uses: actions/setup-go@v4
	with:
	go-version: '1.20'
	id: go
	- name: Check out code into the Go module directory
	uses: actions/checkout@master
	- name: Building go examples
	env:
	GO111MODULE: on
	run: ./_example/build.sh

	lint:
	name: Lint
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- uses: actions/setup-go@v4
	with:
	go-version: '1.20'
	cache: false
	- name: golangci-lint
	uses: golangci/golangci-lint-action@v3
	with:
	version: latest

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