tokenization

#include <stdio.h>
#include <string.h>
int main()
{
    char str1[100];
    char newString[10][10]; 
    int i,j,temp;
       printf("\nUniversity of petroleum and energy studies.:\n");
       printf("\n");    
 
    printf(" Input  a string for which you want to perform Tockenization : ");
    fgets(str1, sizeof str1, stdin);	
 
    j=0; temp=0;
    for(i=0;i<=(strlen(str1));i++)
if(str1[i]==' '||str1[i]=='\0')    
                                                     //if space or NULL found, assign NULL into newString[temp]

        {
            newString[temp][j]='\0';
            temp++;                                                                              //for next word
            j=0;                                                                                      //for next word, init index to 0
        }
        else
        {
            newString[temp][j]=str1[i];
            j++;
        }
    
   printf ("\n tokens after split by space are :\n");
    for(i=0;i < temp;i++)
        printf(" %s\n",newString[i]);
    return 0;
}