fix some compiler warnings (#21) #1

	---
	name: Zuo with Strict Compiler Flags

	# yamllint disable-line rule:truthy
	on: [push, pull_request]

	jobs:
	build-gcc:
	runs-on: ubuntu-22.04

	env:
	CFLAGS: "-Werror -Wall -Wextra -Wstrict-prototypes -Wold-style-definition -Wshadow -Wpointer-arith -Wcast-qual -pedantic -O2 -std=c11 -D_POSIX_C_SOURCE=200809L"

	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 100
	- name: Compile
	run: \|
	gcc -c $CFLAGS -DZUO_EMBEDDED zuo.c -o zuo_embed.o
	gcc $CFLAGS zuo.c -o zuo
	- name: Check
	run: ./zuo build.zuo check

	build-msvc:
	runs-on: windows-2022

	env:
	CFLAGS: "/W1 /WX"

	steps:
	- uses: actions/checkout@v4
	with:
	fetch-depth: 100
	- name: Compile
	shell: cmd
	run: \|
	call .github\scripts\msvcprep.bat x86_amd64
	cl /c �LAGS% /DZUO_EMBEDDED /Fo:zuo_embed.obj zuo.c
	cl �LAGS% zuo.c -o zuo
	- name: Check
	shell: cmd
	run: \|
	call .github\scripts\msvcprep.bat x86_amd64
	zuo build.zuo check

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