Add the `EN_loadpatternfile` function to load pattern data from a `.pat` file into INP #232

	name: epanet2-win64

	on:
	push:
	pull_request:
	schedule:
	- cron: '0 0 1 * *'

	jobs:
	build:
	runs-on: windows-latest
	strategy:
	fail-fast: false

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4

	- name: Setup build directory
	run: mkdir buildproducts

	- name: CMake
	working-directory: ./buildproducts
	shell: pwsh
	run: \|
	$retryCount = 0
	$maxRetries = 3
	do {
	cmake .. -A x64 # Specify architecture for 64-bit
	cmake --build . --config Release
	if ($LASTEXITCODE -eq 0) { break }
	Write-Host "Retry $($retryCount + 1)/$maxRetries..."
	Start-Sleep -Seconds 10
	$retryCount++
	} while ($retryCount -lt $maxRetries)
	if ($retryCount -eq $maxRetries) {
	Write-Host "CMake build failed after $maxRetries attempts."
	exit 1
	}

	- name: Copy header files to build directory
	run: \|
	copy include\epanet2.h buildproducts\bin\Release
	copy include\epanet2_2.h buildproducts\bin\Release
	copy include\epanet2_enums.h buildproducts\bin\Release
	shell: cmd

	- uses: actions/upload-artifact@v4
	with:
	name: epanet2-win64
	path: buildproducts\bin\Release

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