word_repitition

#include<stdio.h>
int main()
{
    char str[]="ab ab abc";
    char word[]="ab";

    int lens=0,lenw=0,i,j,count=0,c=0;

    //finding length of string and word
    while(str[lens] !='\0')
    {
        lens++;
    }

    while(word[lenw] !='\0')
    {
        lenw++;
    }


    for(i=0;i<lens;i++)
    {
        if(str[i]==word[0])
        {
           for(j=0;j<lenw;j++)
           {
               if(str[i+j]==word[j])
               {
                   count++;
               }
           }
           if(count==lenw)
           {
               //here c stores the number of times the word is repeated in the string.
               c++;
               count=0;
           }
        }
    }

    printf("%d",c);
}