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int abc(int *sum, int *diff)
{
int a=2, b=1;
*sum = a+b;
*diff = a-b;

return 0;
}


int main()
{
int sum, diff;

abc(&sum,&diff);

return 0;
}

voila :o

int abc()
{
int a=2, b=1, sum, diff;
sum = a+b;
diff = a-b;


}


int main()
{
int sum, diff;

abc();

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i see... 32 bit is for ip , and 16 bit is for port. one quicky question: ip address consists of 2 parts, one is network address, the other is host address. since unix.com is at 81.17.242.186,...

thanks folks.

do you have an esay quick real example of what 32-bit(and 16-bit) data are like ? :confused:

as title. and how is it different from PF_INET ?

also, any one knows sin_family , sin_port , sin_addr ..etc ? why are they called 'sin' ?

finally, htons() host to network short , htonl() host...

thanks...it still gives dong dong sound...not like sharp beep beep sound...maybe it's related to my laptop's(i'm using laptop to get connected to remote server) or the server's terminal settings.....

thanks... it worked. however, some questions. :confused:

1. i tried 8 and 6 instead of 7 but did not work. why ? what's magical about this 7 ? lucky 7 ?

2. (int argc, char...

i'm programming using C under UNIX. i wonder to how make sound using C ? any sound like "beep" would be fine. thx. :confused: