From Cppreference
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char *fgets( char *str, int count, FILE *stream );
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Reads at most count - 1 characters from the given file stream and stores them in str. The produced character string is always NULL-terminated. Parsing stops if end-of-file occurs or a newline character is found, in which case str will contain that newline character.
[edit] Parameters
str
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string to read the characters to
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count
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the length of str
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stream
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file stream to read the data from
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[edit] Return value
str on success, NULL on an error
[edit] See also
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reads formatted input from stdin, a file stream or a buffer (function)
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reads a character string from stdin (function)
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writes a character string to a file stream (function)
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