查错程序 meaning in English

checkout routine
error routine

A breakpoint that are inserted in object code to cause a branch to a debug program at proper times and places
在目的代码中安插的断点，使得执行在适当的时间和位置上转向查错程序。
In arpanet , a background program in the interface message processor ( imp . these programs include the statistics generation routines , the debug facilities , and the imp console teletype handler
在目的代码中安插的断点，使得执行在适当的时间和位置上转向查错程序。