C实例 计算字符

#include <stdio.h>



int main() {

   char s[] = "TajMahal";     // String Given

   char ch = 'a';             // Character to count



   int i = 0;

   int count = 0;             // Counter



   while(s[i] != '\0') {

      if(s[i] == ch)

         count++;



      i++;

   }



   if(count > 0) {

      if(count == 1)

         printf("%c appears %d time in '%s'", ch, count, s);

      else

         printf("%c appears %d times in '%s'", ch, count, s);

   } else

      printf("%c did not appear in %s", ch, s);



   return 0;

}