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The read function, scanf, reads character sequences only up to the
first whitespace character. Occasionally, you find it more convenient to
read a
whole line of characters using the gets function, where
gets is an acronym for get string:
gets (name of character array)
The gets function reads the characters in the next line that you
type and puts those characters into the array, without the end-of-line
character, terminating those characters with the null character,
\0. Thus, you can put the next line of keyboard input, or redirected
input, into the input_buffer array with the following statement:
gets (input_buffer);