Sorting of a structure on names using bubble sort

/* Sorting of a structure on names using bubble sort */

Write a program that asks user an ID, name, age and salary of 5 employees. Store all the ID's into one array and sort the array in asscending order. Now to display the records in asscending order search for each elements from the array into records and display the corresponding records.

#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 ;
}