Assume s is a string of lower case characters.

Write a program that prints the number of times the string 'bob' occurs in s. For example, if s = 'azcbobobegghakl', then your program should print

Number of times bob occurs is: 2

Here's an attempt in C:

#include

int CountBob (const char * s)

{

int n = 0;

while (s = strstr (s, "bob")) {

n++;

s++;

}

return n;

}

int main ()

{

char * s = "azcbobobegghakl";

int n = CountBob (s);

printf ("Number of times bob occurs is: %d", n);

getchar ();

}