STRINGS Examples

String handling functions :

             Some of the standard member functions of string.h header files are,

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Function Name	Description
strlen -	Returns the length of a string.
strlwr -	Returns upper case letter to lower case.
strupr -	Returns lower case letter to upper case.
strcat -	Concatenates two string.
strcmp -	Compares two strings.
strrev -	Returns length of a string.
strcpy -	Copies a string from source to destination.

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Program :

/*  Program to demonstrate string.h header file working.

Creation Date : 30 MAR 2012 08:10:13 PM

Author : HARISH */

#include <stdio.h>
#include <conio.h>
#include <string.h>
void main()
{
 char str[50];
 clrscr();
 printf("\n\t Enter your name : ");
 gets(str);
 printf("\nLower case of string: %s",strlwr(str));
 printf("\nUpper case of string: %s",strupr(str));
 printf("\nReverse of string: %s",strrev(str));
 printf("\nLength of String: %d",strlen(str));
 getch();
}

Output :

 Enter your name : Harish
Lower case of string: harish
Upper case of string: HARISH
Reverse of string: hsiraH 
Length of String: 6_