Problem with for

Hi guys, need another time your help..

At the moment i have to write a program what is dealing with the stack memory.. but that does not really matter, i actually have a mistake with my for loop..

Code:

---

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


struct TStack
  {
  char Daten[100];
  struct TStack *Next;
  };


struct TStack *Keller = NULL;


void Push(char *Daten)
  {
  struct TStack *Element;


  Element = (struct TStack *) malloc(sizeof(struct TStack));
  strcpy(Element->Daten, Daten);
  Element->Next = Keller;
  Keller = Element;
  }


void Pop(char *Resultat)
  {
  struct TStack *Element;


  if (Keller == NULL)
    printf("Der Keller ist leer!\n");
  else
    {
    strcpy(Resultat, Keller->Daten);
    Element = Keller;
    Keller = Keller->Next;
    free(Element);
    }
  }


int main(void)  {
  char str[100];
  int n, i;
  char satz[30];


  printf("\nWie viel Zeichensaetze wollen Sie eingeben?");
  scanf("%i",&n);


  for(i=0; i<n; i++)
    {
    printf("\nGeben Sie ihren %i.Zeichensatz ein: ",(i+1));
    fgets(satz, 30, stdin);
    Push(satz);
    }


  while (Keller != NULL)
    {
    Pop(str);
    printf("%s\n",str);
    }


  return(0);
  }

---

The mistak is, that the for loop, always skips the first step. Hope you understand my english und furthermore you can help me..

much greetings

Code:

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scanf("%i",&n);

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After you enter a value (and press enter), a newline is left in the buffer.

Code:

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fgets(satz, 30, stdin);

---

The first time you enter the "for()" loop, this "fgets()" reads the newline that was left in the buffer.

See here for more information: FAQ > How do I avoid a "dangling" newline when reading single character user input? - Cprogramming.com