isMuslEnvironment function
Checks whether the system uses musl libc instead of glibc.
Implementation
bool isMuslEnvironment() {
if (!Platform.isLinux) return false;
final arch = _dartArch();
final muslArch = arch == 'x64' ? 'x86_64' : 'aarch64';
return File('/lib/libc.musl-$muslArch.so.1').existsSync();
}