hadjiprocopis

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <time.h>

/* delete keys matching a pattern, comments welcome
   author: Andreas Hadjiprocopis (https://github.com/hadjiprocopis) / bliako
   date  : 30/11/2021
*/
/* cvector is a headers-only vector implementation