VMS Help  —  CRTL  isprint
    Indicates if a character is classed as a printing character in
    the program's current locale.

    Format

      #include  <ctype.h>

      int isprint  (int character);

1  –  Argument

 character

    An object of type int. The value of character must be
    representable as an unsigned char or must equal the value of the
    macro EOF. If it has any other value, the behavior is undefined.

2  –  Return Values

    nonzero            If a printing character.
    0                  If not a printing character.
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