#ifndef UTILS_H
#define UTILS_H
char *fget(char *s, int size, FILE * stream);
void *resize(void *ptr, size_t size);
void *xmalloc(size_t size);
void *xcalloc(size_t nmemb, size_t size);
char *strnstr(const char *haystack, char *needle, size_t size);
#endif