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#include <stdio.h>
#include <stdlib.h>
#include <math.h>
enum todo {add='a',remov='r',move='m',end='e'};
char days[7][10]={"monday","tuesday","wednesday","thursday","friday","saturday","sunday"};
char months[12][12]={"january","february","march","april","mai","june","july","august","september","october","november","december" };
struct date
{
char d[10],m[11];
unsigned y;
};
struct client
{
int num;
char name[50],street[60];
struct date limit;
struct client *prev,*next;
};
void angabe(struct client *var);
int main (void)
{
int i,j,k;
enum todo test;
char str1,str2;
struct client *first,*last,*var1,*var2;
first=malloc( sizeof(struct client) );
first->num=0;
do
{
printf("nb: a=add/r=remove/m=move/e=end\n");
printf("what do you want to do? : ");
scanf("%c",&test);
switch (test)
{
case (int)'a':
{
if ( first->num==0 )
{
var2=var1;
first=last;
first=var1;
}
else
{
var2=var1;
}
var1=malloc( sizeof(struct client) );
last=var1;
last->prev=var2;
var2->next=last;
last->num=last->prev->num+1;
angabe(var1);
};break;
};
} while (test!='e');
} |
