CPT lab02-02 v.2

#include<stdio.h>
#include<string.h>
char* find_char(char s[], int c);

int main(){
  char str[128];
  char c,*ch,*x;
  char zero = NULL, *null;
  printf("S:");
  gets(str); fflush(stdin);
  printf("C:");
  scanf("%c",&c);
  ch = &c ;
  printf("&C in main is %d\n",ch);
  printf("C in main is %c\n",*ch);
  printf("'C' in main is %d\n",c);
  null = &zero;
  x = find_char(str,c);
  if(*x == *null){
    printf("Next position alphabet in main  is %s\n",*x);
    printf("=%s",*x);
  }else{
    printf("Next position alphabet in main  is %c\n",*x);
    printf("=%c",*x);
  }


  return 0;
}
char* find_char(char s[], int c){
    char *ch,*x,*null;
    *ch = c;
    char zero = NULL;
    printf("C in function is %c\n",*ch);
    printf("&C in function is %d\n",ch);
    int n = strlen(s);
    printf("Size S in function is %d\n",n);
    int i=0;
    while(i<n){
        if(*ch == '\0'){
            null = &zero;
            return null;
        }
        else if(*ch==s[i]){
            printf("S = C in while is %c\n",s[i]);
            x = &(s[i+1]);
            printf("Next Position alphabet in while is %c\n",*x);
            return x;


        }
        i++;
    }
    null = &zero;
    return null;
}