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Sorting of a structure on names using bubble sort

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

void main( )
{
    struct emp
    {
        char empid[7] ;
        char name[25] ;
        int age ;
        float sal ;
    } ;

    int i, j ;
    struct emp e[5] ;
    char id[5][7], temp[7] ;
    float ff ( float ) ;

    clrscr( ) ;
    printf ( \"Enter empid, name, age and salary :-\\n\") ;
    for ( i = 0 ; i <= 4 ; i++ )
    {
        scanf ( \"%s %s %d %f\", e[i].empid, e[i].name, &e[i].age, &e[i].sal ) ;
        strcpy ( id[i], e[i].empid ) ;
    }

    for ( i = 0 ; i <= 3 ; i++ )
    {
        for ( j = 0 ; j <= 3 - i ; j++ )
        {
            if ( strcmp ( id[j], id[j + 1] ) > 0 )
            {
                strcpy ( temp, id[j] ) ;
                strcpy ( id[j], id[j + 1] ) ;
                strcpy ( id[j + 1], temp ) ;
            }
        }
    }

    printf ( \"\\nRecords after sorting\") ;
    printf ( \"\\nName, age and salary after sorting :-\\n\") ;
    for ( i = 0 ; i <= 4 ; i++ )
    {
        for ( j = 0 ; j <= 4 ; j++ )
        {
            if ( strcmp( id[i], e[j].empid ) == 0 )
                printf ( \"%s %s %d %f\\n\", e[j].empid, e[j].name, e[j].age, e[j].sal ) ;
        }
    }

    getch( ) ;
}

float ff ( float f )
{
    float *f1 = &f ;
    return *f1 ;
}

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