1const std = @import("std");
 2
 3pub fn main() !void {
 4    var gpa: std.heap.GeneralPurposeAllocator(.{}) = .init;
 5    defer _ = gpa.deinit();
 6    const args = try std.process.argsAlloc(gpa.allocator());
 7    defer std.process.argsFree(gpa.allocator(), args);
 8
 9    const dynlib_name = args[1];
10
11    var lib = try std.DynLib.open(dynlib_name);
12    defer lib.close();
13
14    const Add = *const fn (i32, i32) callconv(.c) i32;
15    const addFn = lib.lookup(Add, "add") orelse return error.SymbolNotFound;
16
17    const result = addFn(12, 34);
18    std.debug.assert(result == 46);
19}