Does fgets() always terminate the char buffer with \0?

Question

Does fgets() always terminate the char buffer with \\0 even if EOF is already reached? It looks like it does (it certainly does in the implementation presented in the ANSI K&

Answer 1

Yes it does. From CPlusPlus.com

Reads characters from stream and stores them as a C string into str until (num-1) characters have been read or either a newline or a the End-of-File is reached, whichever comes first.

A newline character makes fgets stop reading, but it is considered a valid character and therefore it is included in the string copied to str.

A null character is automatically appended in str after the characters read to signal the end of the C string.