Argv0

pub const Argv0 = switch (native_os) {
    .openbsd, .haiku => struct {
        value: ?[*:0]const u8,

        pub const empty: Argv0 = .{ .value = null };

        pub fn init(args: process.Args) Argv0 {
            return .{ .value = args.vector[0] };
        }
    },
    else => struct {
        pub const empty: Argv0 = .{};

        pub fn init(args: process.Args) Argv0 {
            _ = args;
            return .{};
        }
    },
}