Program in C++ to count the words in given sentence Using user define function

Program in C++ to count the words in given sentence  Using user define function

#include<iostream>
#include<string.h>
#include<conio.h>
 using namespace std;
  int Strcountwords(char *str1)
   {
    int i,count=1;
    for(i=0;i<=strlen(str1);i++)
      {
       if(str1[i]==' ')
         count++;
   }
  return count;
   }
  int main()
  {
   char str[100];
   cout<<"Enter sentence:-";
   cin.getline(str,99);
   cout<<" Number of words ="<<Strcountwords(str);
   return 0;
  }

Output:-

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