There are various character handling <\/strong>functions <\/strong><\/a>in C++ which provide facility to handle character in different ways.<\/strong><\/p>\n\n\n\n C++<\/strong><\/a> provides #include<ctype.h> header file for character handling.<\/strong><\/p>\n\n\n\n All character functions<\/a> have defined in #include<ctype.h> header file<\/a> . \u201cctype\u201d means charater type.<\/ins><\/strong><\/p>\n\n\n\n Character Functions<\/ins><\/strong><\/strong><\/p>\n\n\n\n Where ch is a character variable.<\/ins><\/em><\/strong><\/strong><\/p>\n\n\n\n Note :<\/ins><\/strong><\/p>\n\n\n\n when a character function is used to check the condition then following cases may occur.<\/ins><\/strong><\/p>\n\n\n\n case 1: If condition is true then returns nonzero value.<\/ins><\/strong><\/p>\n\n\n\n case 2: If condition is false then returns zero.<\/ins><\/strong><\/p>\n\n\n\n Q.Write a program to represent isalnum( ) OR Write a program to check input character is alphabet numeric or not.<\/ins><\/strong><\/p>\n\n\n\n <\/p>\n\n\n\n <\/p>\n\n\n\n <\/p>\n\n\n\n 12th Computer Science Important Program<\/a><\/p>\n\n\n\n <\/p>\n\n\n\n C++ Programming Language Tutorial<\/a><\/p>\n\n\n\n Translators in Programming languages<\/a><\/p>\n\n\n\n Tokens in C++ Programming Language<\/a><\/p>\n\n\n\n Operators in C++ Programming Language<\/a><\/p>\n\n\n\n Conditional statements in C++ Language<\/a><\/p>\n\n\n\n Switch Statement in C++ Language<\/a><\/p>\n\n\n\n Loops \/ Iteration statement in C++ Language<\/a><\/p>\n\n\n\n Jump statements in C++ with best example<\/a><\/p>\n\n\n\n Arrays in C++ Programming Language<\/a><\/p>\n\n\n\n Functions in C++ Programming Language<\/a><\/p>\n\n\n\n Passing Arguments in Functions<\/a><\/p>\n\n\n\n Method \/ Function overloading in C++<\/a><\/p>\n\n\n\n String Functions in C++ with Example<\/a><\/p>\n\n\n\n <\/p>\n\n\n\n <\/p>\n\n\n\n Introduction to Boolean Algebra- Best concepts<\/a><\/p>\n\n\n\n Important Law of Boolean algebra with Best concepts<\/a><\/p>\n\n\n\n Logic Gates and their types -Best Concept<\/a><\/p>\n\n\n\n De Morgan\u2019s Law and their Applications<\/a><\/p>\n\n\n\n Applications of Boolean Algebra in Computer Science<\/a><\/p>\n\n\n\n Introduction to DBMS | Database Management System<\/a><\/p>\n\n\n\n <\/p>\n\n\n\n Introduction to Communication and Networks<\/a><\/p>\n\n\n\nC++ Programming <\/h4>\n\n\n\n
Boolean Algebra<\/h4>\n\n\n\n
DBMS<\/h4>\n\n\n\n
Communication and Network Concept<\/h4>\n\n\n\n
11th Computer Science<\/h4>\n\n\n\n