Character Test Functions in C Language | ctype.h Library-Hindi

isalpha(), isdigit(), isalnum(), isspace(), islower(), isupper(), isxdigit(), iscntrl(), isprint(), ispunct(), isgraph(), tolower(), toupper().
This video shows
What are the different types of Character Test Functions and How to use it in C language.
How to use ctype.h library and What is the use of ctype.h library.
Practical Example Character Test Functions in C Language.

#characterFunction
#CLanguage

Functions Description
isalpha() checks whether character is alphabetic
isdigit() checks whether character is digit
isalnum() Checks whether character is alphanumeric
isspace() Checks whether character is space
islower() Checks whether character is lower case
isupper() Checks whether character is upper case
isxdigit() Checks whether character is hexadecimal
iscntrl() Checks whether character is a control character
isprint() Checks whether character is a printable character
ispunct() Checks whether character is a punctuation
isgraph() Checks whether character is a graphical character
tolower() Checks whether character is alphabetic & converts to lower case
toupper() Checks whether character is alphabetic & converts to upper case

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