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Program to swap elements of array of pointers to strings

Posted By: Adelinda Fischer     Category: C Programming     Views: 5509

Program to swap elements of array of pointers to strings.

Code for Program to swap elements of array of pointers to strings in C Programming

#include <stdio.h>
#include <conio.h>
#include <string.h>

#define MAX 6

char *names[MAX] ;
int count ;

int add ( char * ) ;
void swap ( int, int ) ;
void show( ) ;

void main( )
{
    int flag ;

    clrscr( ) ;

    flag = add ( "akshay" ) ;
    if ( flag == 0 )
        printf ( "Unable to add string" ) ;

    flag = add ( "parag" ) ;
    if ( flag == 0 )
        printf ( "Unable to add string" ) ;

    flag = add ( "raman" ) ;
    if ( flag == 0 )
        printf ( "Unable to add string" ) ;

    flag = add ( "srinivas" ) ;
    if ( flag == 0 )
        printf ( "Unable to add string" ) ;

    flag = add ( "gopal" ) ;
    if ( flag == 0 )
        printf ( "Unable to add string" ) ;

    flag = add ( "rajesh" ) ;
    if ( flag == 0 )
        printf ( "Unable to add string" ) ;
    printf ( "\nNames before swapping:\n" ) ;
    show ( ) ;

    swap ( 2, 3 ) ;
    printf ( "\nNames after swapping:\n" ) ;
    show ( ) ;

    getch( ) ;
}

/* adds given string */
int add ( char *s ) { if ( count < MAX ) { names[count] = s ; count++ ; return 1 ; } elsereturn 0 ; } /* swaps the names at given two positions */
void swap ( int i, int j ) { char *temp ; temp = names[i] ; names[i] = names[j] ; names[j] = temp ; } /* displays the elements */
void show ( ) { int i ; for ( i = 0 ; i < count ; i++ ) puts ( names[i] ) ; }
  
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Adelinda Fischer
Adelinda Fischer author of Program to swap elements of array of pointers to strings is from Frankfurt, Germany.
 
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