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When I compile using the '-Wall' option I recieve this error for many of the functions I am using such as fork(). Is there a reason for this or is it nothing to worry about? Here is the exact I/O: zeusfaber@der-dieb:~/code/spacket-cmdr$ gcc -g -O3 -Wall -o scmdrd spacket-cmdr-server.c spacket-cmdr-server.c: In function `main': spacket-cmdr-server.c:66: warning: implicit declaration of function `fork' spacket-cmdr-server.c:67: warning: implicit declaration of function `close' spacket-cmdr-server.c:76: warning: implicit declaration of function `system' spacket-cmdr-server.c:79: warning: implicit declaration of function `exit' spacket-cmdr-server.c:96: warning: implicit declaration of function `inet_ntoa' spacket-cmdr-server.c:96: warning: format argument is not a pointer (arg 3) If you have any ideas please post!! Thanks.
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