main line program

基本解释

Enable the hasNonPrintable check by adding the line shown in Listing 8 to the main program loop.
通过向主程序循环中添加清单 8 中所示的行来启用 hasNonPrintable 检查。
Enable the individualKeyTimingsOK check by adding the line shown in Listing 10 to the main program loop.
通过向主程序循环中添加清单 10 中所示的行来启用 individualKeyTimingsOK 检查。
To see what's going on in main() we can set a breakpoint at a particular line or on a function in the program code so gdb will interrupt execution when it is reached.
为了查看在 main() 中发生了什么情况，可以在程序代码中的某一特定行或函数中设置断点，这样 gdb 会在遇到断点时中断执行。