Table of Contents
What is the difference between scanf and Sscanf in c?
scanf reads from the standard input stream stdin. sscanf reads from the character string s. Each function reads characters, interprets them according to a format, and stores the results in its arguments.
What’s the difference between scanf and fgets?
fgets() can read from any open file, but scanf() only reads standard input. fgets() reads ‘a line of text’ from a file; scanf() can be used for that but also handles conversions from string to built in numeric types.
Can we use two scanf in c?
scanf(“\%d”) reads the 1 and the 5 , interpreting them as the number 15 , but the newline character is still in the input buffer. 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.
What is the difference between scanf and printf?
It is there to take an input, usually from the keyboard if that is the default device. So, the main difference is that one is for reading an input (scanf) while the other is for providing an output from the program (printf).
What can I use instead of fgets?
getline() is another alternative for gets(). similar to fgets() , getline also reads all the input till the character delimiter (newline character)“\n” is encountered or size of the buffer. Below shows the prototype of getline(). str — This is the pointer to an array of chars where the string read is stored.
Why is fgets better than gets?
fgets() is a safer version of gets() where you can provide limitation on input size. You can also decide to take input from which stream(e.g. File or standard input). Let’s say our input is, Note The fgets() includes the terminating character in the buffer and because of that the string has 14 characters of our input.
What is use of T in c?
\t is used to give tab spaces in c programming. \ t prints out a tab which is an undefinable ammount of space that aligns the next section of output to a horizontal tab on the screen. For example: printf(“HELLO\tQUORA.”) ; Output: HELLO QUORA.
What is the difference between scanf() and scanf_s() in C++?
scanf_s() is not described by the C99 Standard (or previous ones). If you want to use a compiler that targets C99 (or previous) use scanf(). For C11 Standard (and eventually later ones) scanf_s() is much harder to use than scanf() for improved security against buffer overflows.
What is the difference between scanscanf() and gets() in Python?
scanf can read multiple values of different data types whereas gets () will only get character string data. when gets () is used to read input it stops reading input when it encounters newline or End Of File.
Why can’t I use scanf on a string input?
The reason for this behavior is that string inputs contain whitespaces and as soon as the scanf function encounters these whitespaces, it stops scanning further, thus making the function less accessible for string inputs.
What is the format to take user input using scanf function?
The format to take user input using scanf function is given as: The format specifier to take integer input is “\%d”, for float input, it is “\%f” and for string input, it is “\%s”. Let us understand this concept using a sample program.