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Scanf Statement Not Working

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Getting "Current Sitecore database cannot be established" using Sitecore Powershell Extensions How not to lose confidence in front of supervisor? In what sense is Principia mathematica of Russell and Whitehead a metatheory? You won't have any trouble executing the exact same program outside the IDE. Many programmers use it like Pascal's eof() function. this contact form

How do I get the last lines of dust into the dustpan? Can it work? more hot questions question feed lang-c about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation This means that an array of 10 integers defined as: int a[10]; has valid indices from 0 to 9 not 10!

Second Scanf Not Working

For readability, I would put the null statement (the single semicolon) on a separate line. –Thomas Padron-McCarthy Mar 5 '12 at 6:45 add a comment| up vote 2 down vote Try Which security measures make sense for a static web site? Hot Network Questions One Itemize problem Evil and pain awaits the one who possess me My boss asks me to stop writing small functions and do everything in the same loop

The fgets() then starts reading data from the input buffer. Identify the chords Where to get connecting flight boarding pass? (US domestic, Delta) The Art of Word Shaping Telekinesis resistant locks What could cause humanity to migrate from land to water? feof(fp) ) { fgets(line, sizeof(line), fp); fputs(line, stdout); } fclose(fp); return 0; } This program will print out the last line of the input file twice. Multiple Scanf In C Dynamical allocation should only be used when it is required.

asked 6 years ago viewed 18325 times active 1 year ago Upcoming Events 2016 Community Moderator Election ends in 7 days Blog How We Make Money at Stack Overflow: 2016 Edition Scanf Not Working In C To fix this, change at least one of them to a real constant. Use the fgets() function instead (and read from stdin). http://stackoverflow.com/questions/3744776/simple-c-scanf-does-not-work Quick Navigation C Programming Top Site Areas Settings Private Messages Subscriptions Who's Online Search Forums Forums Home Forums General Programming Boards C++ Programming C Programming C# Programming Game Programming Networking/Device Communication

Acknowlegements The author would like to thank Stefan Ledent for suggesting the section on "Not leaving room for the null terminator" Maintainer: Paul Carter ( email: [email protected] ) Copyright © 2013 Scanf C Example asked 2 years ago viewed 1073 times active 2 years ago Upcoming Events 2016 Community Moderator Election ends in 7 days Blog How We Make Money at Stack Overflow: 2016 Edition Input fails — routinely and horribly. Because 1 and 2 are integer constants.

Scanf Not Working In C

You have to add another %c in the scanfs to deal with the ENTER key. http://stackoverflow.com/questions/18857594/writing-in-c-with-printf-and-scanf-not-working-as-expected Preloop iteration: Scanf: Shape. Second Scanf Not Working Keyboard buffer?0scanf not reading input the second time0scanf and strtok not working properly for me-3Why is scanf not working second time in my program?0scanf not working in a while loop Hot C Programming Scanf Not Working Has "the destruction of the space shuttle Challenger...

Not the answer you're looking for? Why? Creating a game, from start to finish Recent additions How to create a shared library on Linux with GCC - December 30, 2011 Enum classes and nullptr in C++11 - why is that? –ChrisMcJava Sep 17 '13 at 19:01 1 On your system, the text in stdout remained buffered in memory and was waiting until either you printed enough more Scanf Doesn't Work

Would mask law helps prevent racial and cultural conflicts in the medieval times? Do GUI based application execute shell commands in the background? North by North by North by South East Can someone explain this visual proof of the sum of squares? For similar reasons, don't use the other relational operators (<,>,etc.) with strings either.

Make the ch variable an int as below: int count_line_size( FILE * fp ) { int ch; int cnt = 0; while( (ch = fgetc(fp)) != EOF && ch != '\n') How To Use Scanf The scanf("%c") will immediately read this newline character, and the program will then go on to the next scanf("%d"), and wait for you to enter a number. Telekinesis resistant locks Do GUI based application execute shell commands in the background?

For example: int x = 5; if ( x = 6 ) printf("x equals 6\n"); This code prints out x equals 6!

Introduction This document lists the common C programming errors that the author sees time and time again. What colors to choose for colorblind people? The second scanf expects a number so, the ENTER is skipped because is considered a white space, and the scanf waits for a valid input ( a number) that, again, is How To Use Fgets How do I get the last lines of dust into the dustpan?

A common mistake is to not allocate room for this extra character. Can leaked nude pictures damage one's academic career? share|improve this answer answered Oct 26 '10 at 12:32 nathan 3,20422237 +1 from me, you were only 12 seconds behind me :) –leppie Oct 26 '10 at 12:36 add Browse other questions tagged c printf scanf or ask your own question.

Another common loop error is to iterate one too many times or one too few. Incidently, this discussion also applies to C++ and Java. All of my printf functions output just fine but if I go to input my information to test my code I do not get anything. Your suggestion is maybe a solution for OP's problem (we don't know much about it, though, because OP doesn't provide the input she gave and the output she got) if this

By JOZZY& Wakko in forum C Programming Replies: 15 Last Post: 11-05-2009, 03:18 PM why the second scanf function cannot run when i put inside the loop? Did the Gang of Four really thoroughly explore "Pattern Space"? share|improve this answer answered Sep 4 '15 at 14:13 stackptr 5,54512256 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign Without a prototype, the C compiler assumes that sqrt() returns an int.

Jun 21 '14 at 18:20 What is your exact input and output? –mafso Jun 21 '14 at 18:23 4 @nIcEcOw. Movie involving a cute Blondie that fights a dragon Getting "Current Sitecore database cannot be established" using Sitecore Powershell Extensions more hot questions question feed lang-c about us tour help blog Actually, this is a good demonstration of why I don't use scanf(); I use a line reader (fgets(), for example) and sscanf(). For example, the string defined below char str[30]; only has room for only 29 (not 30) actually data characters, since a null must appear after the last data character.

Where to get connecting flight boarding pass? (US domestic, Delta) Would mask law helps prevent racial and cultural conflicts in the medieval times? Since this is something that might be used in lots of places, it makes sense to make this a function. asked 4 years ago viewed 37265 times active 2 months ago Upcoming Events 2016 Community Moderator Election ends in 7 days Blog How We Make Money at Stack Overflow: 2016 Edition This type of error will often result in a Segmentation fault/coredump error on UNIX/Linux or a general protection fault under Windows. (Under good old DOS (ugh!), anything could happen!) Here's an

This can also be a problem with dynamic allocation. share|improve this answer answered Mar 5 '12 at 6:25 noMAD 3,43583766 This is a good function.