Labels:binder | book | poster | reckoner OCR: Manipulation 621 Character t1 character tested has the desired property and zero otherwise They include vity isa lpha which tests to see if its argument is an alphabetic character isdigit which tests to to see if its argument digit whitespace character The sspace which tests to see if its argument alphabetic isupper which tests see if its argument is an uppercase ega character ispunct which tests to see if its argument 1sa punctuation character nost complete list appears in the Handbook. Facilities to perform Programmer's con versions on characters include toupper which converts any lowercase alphabetics to uppercase and leaves all other characters unchanged lowercase and leaves tolower) which converts uppercase alphabetics to other characters unchanged but the two above are specified in t ...
