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#include "apue.h"
static void
sig_int(int signo)
{
printf("caught SIGINT\n");
}
static void
sig_chld(int signo)
{
printf("caught SIGCHLD\n");
}
int
main(void)
{
if (signal(SIGINT, sig_int) == SIG_ERR)
err_sys("signal(SIGINT) error");
if (signal(SIGCHLD, sig_chld) == SIG_ERR)
err_sys("signal(SIGCHLD) error");
if (system("/bin/ed") < 0)
err_sys("system() error");
exit(0);
}
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