Answer :
The statement "the is digit function will return a true if its parameter is a digit between 0 and 9" is correct. TRUE
As we know, isdigit is a C function that may be used to determine whether or not the provided character is a digit.
Despite the fact that the isdigit method takes an integer as an input, the character is passed to it.If it's a digit, it returns a non-zero value; otherwise, it returns 0.
As an example,
It returns a non-zero value for '0' through '9' and a zero value for everything else.
As a result, the statement "the is digit function will return a true if itsargument is a digit between 0 and 9" is correct.
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