#include<stdio.h>

main(){
  char s1[] = {'a','b','c','\0'};
  char s2[] = "abc";

  char s3[100]; //-- u redu

  char *s4;     //--- nije u redu --- za sada

  printf("Unesite neki string:\n");
  scanf("%s", s3);

  printf("Uneli ste: %s\n", s3);

  //ne smete
  //scanf("%s", s4);
}