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1) mkdir -p ~/bin
2) cp cal ~/bin
3) export PATH="~/bin:$PATH"
or add
export PATH="~/bin:$PATH"
to your ~/.bashrc then execute
source ~/.bashrc
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struct hostent *hp;
char AlarmDevIP[20];
int x2;
hp = gethostbyname("www.google.com");
if (hp)
{
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