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20 if(wait(&status) != pid) /* wait for child */
21 err_sys("wait error");
22 pr_exit(status); /* and print its status */
23 if( ( pid = fork()) <0)
24 err_sys("fork error");
25 else if(pid == 0) /* child */
26
27 status /= 0; /* divide by 0 generate SIGFPE */
28
以下是gcc -c 的结果?
# gcc -c 8-4.c
8-4.c: In function `main':
8-4.c:27: warning: division by zero
# new 8-4 《---------------------- 自命名的new就是gcc,用了它就能是用AUPE作者自编的函数了。
gcc 8-4.o -lourhdr -o 8-4
/usr/bin/ld: cannot find -lourhdr
collect2: ld returned 1 exit status
make: *** [8-4] Error 1
#
请大家指教!!错在哪里?
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