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#ifndef UTILS_H
#define UTILS_H
/**
* Returns whether or not a string is a number.
*
* @param str A string
*/
int is_number(char *str);
/**
* Safely allocates memory to the heap.
*
* @param amount The amount of memory to allocate
* @returns The allocated memory.
*/
void *malloc_s(unsigned long amount);
/**
* Converts a string to a unsigned integer.
*
* @param str A string
* @param err A error destination
* @returns A unsigned integer.
*/
unsigned int str_to_uint(char *str, char **err);
#endif
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