#if !defined FUNCTIONS_H
#define FUNCTIONS_H 
int mystrlen(char * s);
char * mystrcpy(char * dest, char * src);
int mystrcmp(char * s1, char * s2);
char * reverseString(char * str);
char * stringToUpper(char * str);
int countBits (unsigned int num);
int isSet(int* nums, int size);
int factorialZeroes(int num);
int isPalindrome(char * string);
int checkAnagram(char* str1, char* str2);
void bubbleSort(int * array, int * result, int size);
#endif