C program to read a text and count all occurrences of a particular word

/* C program that will read a text and count all occurrences of a particular word. */

#include"stdio.h"

void main()

{

int i=0,j=0,count=0,f=0;

char str1[100],str2[20];

printf("Enter the text: ");

gets(str1);

printf("Enter word to count: ");

gets(str2);

for(i=0;str1[i];i++)

{

f=0;

if(str1[i]==str2[0])

f=1;

for(j=1;str2[j];j++)

{

if(str1[i+j]!=str2[j])

{

f=0;

break;

}

}

if(f==1)

count++;

else

{

}

}

printf("%s occur in %d times \n",str2,count);

}

Output: