#include <stdio.h>
#include <stdlib.h>
#include <string.h>
/*
 * Example from Oct 3, 2013
 * 
 * 
 *
 */

/*  OCt 3 Quiz
1) What type of algorithms did we start discussing last class?
2) What is the name of the algorithm we implemented?
3) Describe briefly how it works.


*/

#define FAHRFREEZE 32
#define CELCFREEZE 0
#define MAXVALS 10
#define MAX 20
#define BIGSEARCH 13
#define AVOWEL 'a'

//int z = 8;  //A global variable will get a 0 on your lab in Dr T's class

struct UTID
{
  char *last;
  char * first;
  long IDnum;
  int day, month, year;

};


int howdyfunc(int arr[], int a);

int main(void)
{
  int celsius_temp = 0, d, e, fahrenheit_temp= 42, c=0, f= 42, x, i, j, k;

  double stockinfo[6][4] = {{4, 1.99, .25},{0,0,0}, {12, 87.95, 2.50}};
  int multiD[2][3][4][5] = {{{{0}}}};

  int scorelist[BIGSEARCH] = {90,87,88,-79, 45, 98, 32, 99, 100, -46, 87,68};
  float classavgs[20]= {0};
  char nameclass[ ]= {'C','_','c','l','a','s','s','\0'};
  char nameclass2[40]="C 1320";
  char notstring[ ] = {'f','o','o','t'};
  char buffer[100];
  
  double stockprice[6]={0};
  char stocktype[6]={'X','A'};
  char sti, sta;
  int se = 68;
  int linresult, temp;
  char words[20][40]={{0}};  // array of strings
  char *tempwd, *word, *num;  //  &(buffer[0])
  int *tempint;

  linresult = 10;
  int index1, index2, index3;







  /*
  while ((linresult % 2)  == 1)
    {
      linresult += 3;
    }
  */
  sta = 'a';

  printf("\nPlease enter a vowel: ");
  scanf("%c", &sti);

  switch(sti)
    {
    case 'A':
    case 'a': 
      printf("\nAAaaaugh!!\n");
      se = 1;
      break;
    case 'E':
    case 'e': 
      printf("\nEEEEeeeeeek!\n");
      se = 2;
      break;
    case 'I':
    case 'i': 
      printf("\nAye matey!\n");
      se = 3;
      break;
    case 'O':
    case 'o':
    case '0':
      printf("\nOooh"); 
      printf(" Oh Boy!\n");
      break;
    case 'U':
    case 'u': 
      printf("\nUp up and away\n");
      break;
    case 'Y':
    case 'y': 
      printf("\nYo ho ho and a bottle of rum\n");
      break;
    default: 
      printf("\nYou didn't enter a vowel, matey\n");
    }

  // now use se 

  // array[se] gets something

  k = 15;
  i =42;

  while ((k < 25) && ((i % 5) == 0))
    {
      i--;
      k = k +2;
      if !(i % 5)
        {
	  printf("\ni is %d and k is %d", i, k);
	}
    }


  /*
  tempwd = (char *)  malloc(sizeof(char)*(linresult + 1) );
  printf("\nValue of tempwd %p, address of buffer %p, linresult = %d stockprice[0] = %lf\n", tempwd, buffer, linresult, stockprice[0]);

  printf("\nEnter a line from a nursery rhyme: ");
  temp = getline(&tempwd, &linresult, stdin);


  printf("\nValue of tempwd %p, address of buffer %p, linresult = %d, temp = %d stockprice[0] = %lf\n", tempwd, buffer, linresult, temp, stockprice[0]);

  printf("\n%s  --   %c\n",tempwd,  tempwd[2]);

  x = 7;
  k=-1;

  // strlen
  x = strlen(tempwd);
  printf("\ntempwd is %d chars\n",x);

  // strcpy
  printf("\nbuffer %s, buffer is at %p\n",buffer, buffer);
  printf("\ntempwd %s, tempwd's value is %p\n",tempwd, tempwd);

  // buffer = tempwd;

  strcpy(buffer, tempwd);

  tempwd = buffer;

  printf("\nafter %s, buffer is at %p\n",buffer, buffer);
  printf("\nafter %s, tempwd's value is %p\n",tempwd, tempwd);

  // strcat
  tempwd = (char *)  malloc(sizeof(char)*100);
  strcpy(tempwd, "The owl and the pussycat went to sea "); 

  printf("\ncopied %s, tempwd's value is %p\n",tempwd, tempwd);

  strcat(tempwd,buffer); 

  printf("\nconcatenated %s, buffer is at %p\n",buffer, buffer);
  printf("\nconcatenated %s, tempwd's value is %p\n",tempwd, tempwd);


  // strtok

  word = NULL;
  printf("\naddr in word is %p\n",word);
  
  word = strtok(tempwd, "., ;:?");
  //strcpy(words[0],word);
  //printf("\nword was %s and addr is %p and words[0] is %s\n", word, word, words[0]);
  i= 0;
  while (word != NULL)
    {
      // printf("\nin while");
      strcpy(words[i],word);
      printf("\nword was %s and addr is %p and words[%d] is %s\n", word, word, i, words[i++]);
      word = strtok(NULL, "., ;:?");
      // printf("\n ----after strtok, word is %p",word);
    }
  // printf("***done**");
  printf("\nWords in the words array are: \n");

  for (k = 0; k < i; k++)
    printf("\nwords[%d] is %s", k, words[k]);

  // using strings for getting numbers

  strcpy(tempwd, "42.7 16 99.99 33 H 7 J K -5 3453.8 -.45");
  printf("\nNew tempwd with numbers and chars:  %s", tempwd);
  num  = strtok(tempwd, " ");

  //scorelist for ints, stockprice for doubles, notstring for chars

  index1 = index2 = index3 = 0;
  i= 0;
  while (num != NULL)
    {

      if (strpbrk(num, "0123456789")  != NULL)  //looking for digits
	{
	  if (strchr(num, '.') != NULL)  //looking for decimal point
	    {   // found a float
	      stockprice[index1++] = atof(num);
	      printf("\ndouble %lf\n", stockprice[index1-1]);
	    }
	  else
	    {  // found an int

	      scorelist[index2++] = (int) strtol(num, &tempwd, 0); 
	      printf("\nInt %d\n", scorelist[index2-1]);
	    }
	}

      else // num has a letter in it
	{
	  notstring[index3++] = num[0];
	  printf("\nchar %c\n", notstring[index3-1]);
	}

      num = strtok(NULL, " ");

    }

  // strspan
  // strcspan
*/
  return 0;
}

  //Linear search - any data type, any size array, unsorted, assume no dupes
  //Searching for what element - same type as data in array

int linsearch(int sl[], int maxsize, int searchelement)
  {
    int index = 0;
    int foundat = -1;

    printf("\nIn linsearch, searchelement is %d and maxsize is %d\n",searchelement, maxsize);

    // for( index = 0; (index < maxsize)&&(sl[index] != searchelement) ; index++)

    for( index = 0; (index < maxsize); index++)
      {
	if (sl[index] == searchelement)
	  foundat = index;


	printf("\nIn for loop, sl[%d] is %d\n", index, sl[index]);

      }
    //foundat = index;

    printf("\nIn linsearch, foundat is %d\n",foundat);
    return foundat;

  }