--- a/src/pasco.c	2024-02-18 12:43:27.385857649 +0100
+++ b/src/pasco.c	2024-02-18 12:44:00.286087384 +0100
@@ -36,6 +36,7 @@
 #include <stdio.h>
 #include <time.h>
 #include <math.h>
+#include <string.h>
 
 //
 /* This is the default block size for an activity record */