// $ zig build-exe test.zig -lc -lgmp --library-path /usr/lib/x86_64-linux-gnu/ -isystem /usr/include/x86_64-linux-gnu/
// Build Dependencies...lld: error: undefined symbol: mpz_init
// >>> referenced by test.zig:9 (/mnt/data/Users/Travis/Documents/Code/zig/benchmarksgame/pidigits/test.zig:9)
// >>>               ./test.o:(main.0)

const mpz_t = *@OpaqueType();
pub extern fn mpz_init(mpz_t) void;

var tmp1: mpz_t = undefined;

pub fn main() anyerror!void {
    mpz_init(tmp1);
}