Table of Contents
What is better scanf or fgets?
Although scanf is mostly used to take user input, it is preferable to use fgets while taking string inputs as it makes the program error-free.
How do I skip scanf?
1) Skip any character using \%*c in scanf \%*c skips a character from the input. For example, We used \%d\%*c\%d and the Input is 10:20 – : will be skipped, it will also skip any character.
How do you use fgets in a function?
The fgets() function in C reads up to n characters from the stream (file stream or standard input stream) to a string str ….The fgets() function keeps on reading characters until:
- (n-1) characters have been read from the stream.
- a newline character is encountered.
- end of file (EOF) is reached.
Which function is used to read a single character and is alternate to Scanf?
getchar() function
getchar() function can be used to read a single character. This function is alternate to scanf() function.
What is the equivalent of scanf in C++?
Which of the following is C++ equivalent for scanf()? Explanation: C++ uses cin to read input form uses.
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 bad?
The fgets (“file get string”) function is similar to the gets function. This function is deprecated — that means it is obsolete and it is strongly suggested you do not use it — because it is dangerous. It is dangerous because if the input data contains a null character, you can’t tell.
What does Sscanf return?
The sscanf() function returns the number of fields that were successfully converted and assigned. The return value does not include fields that were read but not assigned. The return value is EOF when the end of the string is encountered before anything is converted.
How do I ignore a character in C++?
Use the ignore() Function to Discard Unwanted Command Line User Input. The ignore() function is a member function of std::basic_istream and is inherited by different input stream classes. The function discards the characters in the stream until the given delimiter, inclusive, and then extracts the stream’s remainder.
What does fgets do in Matlab?
tline = fgets(fileID) reads the next line of the specified file, including the newline characters. tline = fgetl(fileID) returns the next line of the specified file, removing the newline characters.
Why fgets is not working in C?
The scanf() function usually leaves a \n character behind in the input stream, while fgets() usually does not, meaning that the next call to an I/O function may or may not need to cope with what the previous call has left in the input stream. A better solution is to use one style of I/O function for all user input.
What is the difference between scanf and fgets?
Instead of scanf (some_format,…), consider fgets () with sscanf (buffer, some_format_and \%n,…) By using ” \%n”, code can simply detect if all the format was successfully scanned and that no extra non-white-space junk was at the end.
What is filefgets in Linux?
fgets function is short for file-get-string. Remember that files can be pretty much anything on *nix systems (sockets, streams, or actual files), so we can use it to read from standard input, which again, is also technically a file.
What is the difference between gets() and fgets() in C++?
And the difference between gets/scanf and fgets is that gets (); and scanf (); only scan until the first space ‘ ‘ while fgets (); scans the whole input. (but be sure to clean the buffer afterwards so you wont get an overflow later on) Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question.
Is there a way to avoid getting new line in fgets?
Yes, you want to avoid gets. fgets will always read the new-line if the buffer was big enough to hold it (which lets you know when the buffer was too small and there’s more of the line waiting to be read).