#include main() { /* * Declare handler routine so we can use its name. */ extern int handler(); /* * Send signal to handler routine. */ signal(SIGINT, handler); /* * Loop here. */ for (;;) pause(); } /* * handler--handle the signal. */ handler() { /* * Users of 4.2 and 4.3BSD systems should un-comment * this line, which will make this program * behave as if it were on a non-Berkeley system. */ /* signal(SIGINT, SIG_DFL); */ printf("OUCH\n"); } itory'/>
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