在使用waitpid()之后，我对wifsign ()/WTERMSIG()宏有一个问题

In this code C i launch a program from the command line and when it is closed from a signal different from SIGTERM (signal for normal end) my code should relaunch the initial program passed from the command line. But it is not so, in fact my code never relaunchs program saying that it is properly terminated.In practice my condition"if(WTERMSIG(status)!=SIGTERM)" works bad, WHY????? :'(In this code C i launch a program from the comm