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Routines for character classification

 

Clib.isalnum()

Tests for alphanumeric character.

Clib.isalpha()

Tests for alphabetic character.

Clib.isascii()

Tests for ASCII coded character.

Clib.iscntrl()

Tests for any control character.

Clib.isdigit()

Tests for any decimal-digit character.

Clib.isgraph()

Tests for any printing character except space.

Clib.islower()

Tests for lower-case alphabetic letter.

Clib.isprint()

Tests for any printing character.

Clib.ispunct()

Tests for punctuation character.

Clib.isspace()

Tests for white-space character.

Clib.isupper()

Tests for upper-case alphabetic character.

Clib.isxdigit()

Tests for hexadecimal-digit character.

 


Routines for console I/O