Graph
Yes, it is an address. No, it does not have to be scary.
void swap_int(int *a, int *b)
void swap_str(char **a, char **b)
const char *skip_spaces(const char *s)
int sum_range(const int *first, const int *last)
int *find_int(int *first, int *last, int value)
int ranges_overlap(const void *a, size_t na, const void *b, size_t nb)
void argsort_len(char **arr, size_t n, size_t *out)