-// --- Strings ---\r
-extern int strlen(const char *string);\r
-extern int strcmp(char *str1, char *str2);\r
-extern int strncmp(char *str1, char *str2, size_t len);\r
-extern char *strcpy(char *dst, const char *src);\r
+/* --- Random --- */\r
+extern void srand(unsigned int seed);\r
+extern int rand(void);\r
+extern int rand_p(unsigned int *seedp);\r