What does fgets mean in C?
In the C Programming Language, the fgets function reads characters from the stream pointed to by stream. The fgets function will stop reading when n-1 characters are read, the first new-line character is encountered in s, or at the end-of-file, whichever comes first.
Can we use fgets in C?
How to use the fgets() function in C. 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.
What C library is fgets?
standard library header file stdio
fgets is a function in the C programming language that reads a limited number of characters from a given file stream source into an array of characters. fgets stands for file get string. It is included in the C standard library header file stdio.
Does fgets read line by line?
The C library function char *fgets(char *str, int n, FILE *stream) reads a line from the specified stream and stores it into the string pointed to by str. It stops when either (n-1) characters are read, the newline character is read, or the end-of-file is reached, whichever comes first.
Should I use 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.
What is the output of fgets?
The fgets() function returns a pointer to the string buffer if successful. A NULL return value indicates an error or an end-of-file condition. Use the feof() or ferror() functions to determine whether the NULL value indicates an error or the end of the file. In either case, the value of the string is unchanged.
Does fgets read one line at a time?
To read from user input or a file, you can read one entire line at a time and then parse the line (divide it into parts that you want) using string functions. char *fgets(char *s, int size, FILE *stream); fgets() reads in at most one less than size characters from stream and stores them into the buffer pointed to by s.
Is fgets secure?
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 This function is deprecated — that means it is obsolete and it is strongly suggested you do not use it — because it is dangerous.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.