#include <stdio.h>
#include <string.h>
int main(int argc, char* argv[])
{
char str[256] = "apple,fruit!agenda sweets\0";
char pchars[] = ",.! "; int count = 0;
for (int i = 0; str[i] != '\0'; i++)
if (strchr(pchars,str[i]) || i == 0)
{
int k = i+1;
while (!strchr(pchars,str[k]) &&
str[k] != '\0') k++;
if (str[i+1] == str[k-1]) count++;
}
printf("str = %s\ncount = %d\n",str,count);
return 0;
}