When converting %d, scanf expects a pointer to an int. To convert to a short int, use %hd . (See also the table in question 12.9.)

Unlike printf, scanf uses %lf for values of type double, and %f for float. [footnote] %f tells scanf to expect a pointer-to-float, not the pointer-to-double you gave it. Either use %lf, or declare the receiving variable as a float. See also question 12.9. See similar questions...

You need to do this a bit differently; you should always check for the return from scanf, so try something like i = 1; if ((scanf, "%d", i) == 1) to make sure you're reading correctly. (The assignment to i is so that, if scanf fails, you still have a legal value in i.) See similar questions...

The arguments you pass to scanf must always be pointers: for each value converted, scanf ''returns'' it by filling in one of the locations you've passed pointers to. (See also question 20.1.) To fix the fragment above, change it to scanf("%d", &i) . Why does the call char s[30]; scanf("%s", s); work? I thought you always needed an & on each variable passed to scanf. You always need a pointer; you don't necessarily need an explicit &. See similar questions...

Under C's integral promotion rules, the multiplication is carried out using int arithmetic, and the result may overflow and/or be truncated before being assigned to the long int left- hand-side. Use an explicit cast to force long arithmetic: long int c = (long int)a * b; In 1983, the American National Standards Institute commissioned a committee, X3J11, to standardize the C language. See similar questions...

Whenever you print long ints you must use the l (lower case letter ''ell'') modifier in the printf format (e.g. %ld). printf can't know the types of the arguments which you've passed to it, so you must let it know by using the correct format specifiers. It's true that printf's %f specifier works with both float and double arguments. See similar questions...

People keep saying the behavior is undefined, but I just tried it on an ANSI-conforming compiler, and got the results I expected. They were probably wrong. Flame them mercilessly. Be sure before you do that your compiler is really ANSI conforming, though. If it turns out you were wrong, they get a legal claim on your first-born. No. To force order of evaluation, you must threaten it. Take the comma operator hostage. Using it, you can force the other operators to do what you want. See similar questions...

A short code is just like a phone number, but instead of being 10 digits long, it is five digits long and it works only for text messages. The short code for Reactee is 41411. To send a text message to a person, you enter their phone number in the TO field, e.g., 415 555 1212. To send a text message to Reactee you enter our short code, 41411, in the TO field. See similar questions...

First, make sure that the code is for the game you're playing. Some codes are designed to work only for import or domestic versions of games, or you might be trying to use a code on a newer or older version of a game (Tekken 2 vs. Tekken3, for example). Codes must be entered exactly as listed, or they will not work. See similar questions...

Your code will not work 100% properly until we insert your site into the Ring. However, it should at least generate a response from the server that your site isn't in the Ring. If you don't get that, then make sure ***Your ID*** in the code has been replaced by the actual numerical site ID that was assigned your site when you signed up for the Ring. See similar questions...

It does, in fact, work. However, people tend to use it incorrectly and get bad results. To check for all the subdirectories in a directory, try code like this: path = shift; $path = ". See similar questions...

Your registration code is generated from your hot sync ID. If you entered your hot sync ID incorrectly on your registration form your code will not work. Email us at help@skimware.com with your correct hot sync ID and we will send you the proper code. (Click here to go back to top of page) See similar questions...

If you bought a used book, your access code may have been used by a previous owner. To obtain a new access code, purchase a Web site subscription at your bookstore or online. To purchase online, go to www.campbellbiology.com and click on your book cover. Click "Buy Now" to purchase a Web site subscription. If you purchased a new book and your access code doesn't work, Click Here to contact the technical support team. See similar questions...

First make sure that your code was placed in the section of your page. If it still doesn't load just contact our technical support with the url of the page it is placed on and we will be glad to help. See similar questions...