iverilog/ivtest/ivltests/sys_func_as_task.v

module top;
  reg [79:0] str;
  integer val;

  initial begin
    str = "5";
    $sscanf(str, "%d", val);
    if (val == 5) $display("PASSED");
    else $display("Failed to convert string, got %d", val);
  end
endmodule