C program for HOSPITAL.

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

void  main()
{
    struct  date
    {
        int  d, m, y ;
    } ;
    struct  hospital
    {
        char  firstname[20], middlename[20], surname[20] ;
        struct  date  dob ;
        char  disease[20];
    } ;
    struct  hospital  h[50] ;
    int  i, j, n ;
    char  d[20] ;
    clrscr();
    printf("Enter the number of patients: ") ;
    scanf("%d", &n) ;
    printf("Enter first name, middle name, surname, date of birth and disease for all patients: \n") ;
    printf("Enter date of birth in d/m/y format. \n") ;
    for(i=0 ; i<n ; i++)
        scanf("%s %s %s %d %d %d %s", h[i].firstname, h[i].middlename, h[i].surname, &h[i].dob.d, &h[i].dob.m, &h[i].dob.y, h[i].disease ) ;
    printf("\nEnter disease name for which patient details are required: ") ;
    scanf("%s", d) ;
    printf("\nPatients suffering from %s are as shown:\n", d) ;
    for(i=0 ; i<n ; i++)
        if( strcmpi(h[i].disease, d) == 0 )
            printf("%s %s %s %d %d %d %s \n", h[i].firstname, h[i].middlename, h[i].surname, h[i].dob.d, h[i].dob.m, h[i].dob.y, h[i].disease ) ;
    getch();
}