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#ifndef MELVIX_LIB_H
#define MELVIX_LIB_H
#include <stddef.h>
/**
* Find the length of a string
* @param str The string pointer which size should be calculated
* @return The length of str
*/
size_t strlen(const char *str);
/**
* Compare two strings
* @param s1 The first string pointer
* @param s2 The second string pointer
* @return Non-zero if not equal
*/
size_t strcmp(const char *s1, const char *s2);
/**
* Append the data of src to dest
* @param dest The string destination pointer
* @param src The string pointer that will get appended
*/
void strcat(char *dest, const char *src);
/**
* Copy the data of src to dest
* @param dest The copying destination pointer (gets replaced)
* @param src The string pointer that will get copied
*/
void strcpy(char *dest, const char *src);
/**
* Copy n data from src to dest
* @param dest The destination array pointer
* @param src The source array pointer of the data
* @param count The number of bytes to be copied (src)
* @return The modified dest pointer
*/
void *memory_copy(void *dest, const void *src, size_t count);
/**
* Replace n bytes of dest by val
* @param dest The destination array pointer
* @param val The replacing chracater
* @param count The number of times val should replace dest entry
* @return The modified dest pointer
*/
void *memory_set(void *dest, char val, size_t count);
/**
* Compare the first n bytes of a and b
* @param a_ptr The first memory area pointer
* @param b_ptr The second memory area pointer
* @param size The number of bytes to be compared
* @return -1 if a < b, 0 if a = b and 1 if a > b
*/
int memory_compare(const void *a_ptr, const void *b_ptr, size_t size);
#endif
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