Or even just p. You should declare variables in the smallest scope where they are used. Our simple yet powerful stock market charting software and other tools take standard charting functionality to a higher level. History of italicising variables and mathematical formatting in general, Transform characters of your choice into "Hello, world!". The compiler will insert it automatically and make the main method return with 0 (= success). Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Where do you end up when you cast Dimension Door from an extradimensional space? This allows you to focus on the securities you are interested in, so you can make informed decisions. Welcome to Beyond Charts. How is being used in ""? Initializing and printing an array using pointers and dynamic allocation in C, Converting Integer to dynamically allocated Char array, digit by digit using pointers, 256-bit ASCII Color Encoded Hex Dump in C, Creating readline() function, reading from a file descriptor. Why would an F-35 take off with air brakes behind the cockpit extended? but I don't think the Hungarian notation like *pArr is great. It's better to avoid having numbers like 4 in the program. The last return statement is unnecessary. How Can Cooked Meat Still Have Protein Value? It's more idiomatic C to have a loop like this for the characters: There are two common ways to iterate through a list in C. One is as you already have it, when you know how many values are in the list. Using all of these suggestions, one possible rewrite might look like this: With a null sentinal the follwing is pretty simple: Sure you don't need the {} in the while loop but I prefer to put all block bodies in {}'s since there have been some well known problems when code like: I find this a bit easier to read, and it avoids both magic numbers and a NULL at the end of the array: Use printf("%c\n", *p++) if you want to print one character on a line, like your example did. A linearly ordered set endowed with the order topology is compact if and only if it has no gap. The other way is to use a "sentinel" value -- some unique value that tells the program "this is the end of the list." Meaning of 'glass that's with canary lined'? Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. This helps the compiler help you find bugs early. The reason is that printf has to, at runtime, parse the format string, apply the arguments and then emit the results, while putchar only has to pass a character directly to the output. Is it possible to return a rental car in a different country? Whether youre interested in researching and testing your ideas, saving and recalling your favourite analysis or accessing tools and strategies from leading Industry Educators, Beyond Charts+ is modern, powerful and easy to use charting software for private investors. The printf function is very useful, but putchar is often better suited for single-character output. Trying to relate microphone sensitivity and SPL. For a list of names such as this program has, a rational choice for a sentinel value would be NULL. A more proper approach would use this pointer, get a char* each time and use printf("%s", pNames[i]) to print a whole string. what does that mean?" Better would be to assign a constant with a meaningful name. Asking for help, clarification, or responding to other answers. Make a tiny island robust to ecologic collapse. If you want to change things later, you may well be left wondering "why 4? This particular code isn't exactly performance-critical but it's useful to acquire good coding habits from the beginning. Announcing the Stacks Editor Beta release! The driver for all Investors is the continuous search for investment opportunities. You could just use names. Making statements based on opinion; back them up with references or personal experience. Why is a 220 resistor for this LED suggested if Ohm's law seems to say much less is required? Actually it would be more interesting to use argc and argv for something: It's better to use const where possible so that it's clear when you are intending to modify things and clear when you're not. Thanks for contributing an answer to Code Review Stack Exchange! I'm currently studying C and I'm trying to just print the contents of a string array. And in any case you are using this pointer to step over character by character, @Michael it's your lucky day, fixed the bug for you, and adjusted the text accordingly. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. I would prefer either of these writing styles: The pNames variable is pointless. The best answers are voted up and rise to the top, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company. What is the rounding rule when the last digit is 5 in .NET? Why did the folks at Marvel Studios remove the character Death from the Infinity Saga? Of course all the standard technical analysis tools, indicators and charting functions are included in our FREE charting package, but we've gone Beyond Charts for those searching for more. To learn more, see our tips on writing great answers. MathJax reference. Instead of the while loop, a for loop would be more natural. Can my aliens develop their medical science, in spite of their strict ethics? rev2022.8.2.42721. I'd for go for pos instead. How would you make it better? This maybe a matter of taste, It only takes a minute to sign up. For example *pos would be best declared inside the for loop. Animated show where a slave boy tries to escape and is then told to find a robot fugitive. Uniquely for main, if the program gets to the end of the function, it automatically does the equivalent of return 0 at the end, so you can (and should) omit it. I'm using pNames to point to the first char pointer and iterating from there. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Code Review Stack Exchange is a question and answer site for peer programmer code reviews. Given that the code is really simple, I see mostly coding style issues with it. How much energy would it take to keep a floating city aloft? More like San Francis-go (Ep. so "Arr" is hardly a good name. Printing the contents of a string array using pointers, San Francisco? What are the possible attributes of aluminum-based blood? Why won't this electromagnet home experiment work? In practice, how explicitly can we describe a Galois representation? Is "wait" an exclamation in this context? Don't get used to it, we normally review working code here. Connect and share knowledge within a single location that is structured and easy to search. Beyond Charts+ offers sophisticated Investors with advanced tools. So we created Beyond Charts to put you on the right path. In C99 and above, the loop variable can be declared directly in the for statement. 468), Monitoring data quality with Bigeye(Ep. Use MathJax to format equations. However, I thought I would try to print it character-by-character inside each string, as follows: This code kind of works (prints each letter and then new line). We develop trading and investment tools such as stock charts for Private Investors. 469).
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print char array using pointers in c