cgo.go

// +build windows,amd64,cgo

package main

/*
#cgo LDFLAGS: -L ${SRCDIR} -lsteam_api64

#include <stdbool.h>
#include <stdint.h>

bool SteamAPI_Init();
void SteamAPI_Shutdown();
*/
import "C"

func SteamAPI_Init() bool {
	return bool(C.SteamAPI_Init())
}

func SteamAPI_Shutdown() {
	C.SteamAPI_Shutdown()
}

go.mod

module gist.github.com/089abe8fd044c1b908bf9969b7f79edc

main.go

package main

func main() {
	if !SteamAPI_Init() {
		panic("failed to initialize Steam API")
	}
	defer SteamAPI_Shutdown()

	// game would go here
}

steam_api64.dll

steam_appid.txt

480