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toascii()                Convert 'c' to ASCII Character

 #include   <ctype.h>

 int        toascii(c);
 int        c;                           Character to be converted

    The toascii() macro converts the integer 'c' to a value in the ASCII
    character set (0 - 127) by clearing all but the lower seven bits.
    'c' is left unchanged if it already represents an ASCII character.

    Returns:    The converted character 'c'.  There is no error return.