C language - Class 17 : Strings | What is a string? | string functions | strcat, strcpy, strlen

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Strings:

A String is a group of characters (OR a sequence of characters).
So we use Array to store the strings.
String is actually an array of characters which is terminated by a null ( /0 ) character.

String handling functions :
C provides a set of built-in (ready) functions to manipulate the strings.
That means we can actually perform some operations on strings such as joining of strings, trimming, counting the characters etc.
All the string handling functions are stored in the a header file called string.h which is a part of C library.
So before using any string function we should include the preprocessor statement #include string.h

strcat ( )
strcpy ( )
strlen ( )
strlwr ( )
strupr ( )
strrev ( )
strcmp ( )
strcmpi ( )
strchr ( )

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