--- aalib-1.4.0/aavga-1.0/aavga.c
+++ aalib-1.4.0/aavga-1.0/aavga.c
@@ -1,6 +1,7 @@
 #include <aalib.h>
 #include <stdlib.h>
 #include <stdio.h>
+#include <string.h>
 #include <time.h>
 #include <sys/times.h>
 
--- aalib-1.4.0/src/aakbdreg.c
+++ aalib-1.4.0/src/aakbdreg.c
@@ -2,6 +2,7 @@
 #include "config.h"
 #include "aalib.h"
 #include "aaint.h"
+#include <string.h>
 __AA_CONST struct aa_kbddriver * __AA_CONST aa_kbddrivers[] =
 {
 #ifdef LINUX_KBDDRIVER
--- aalib-1.4.0/src/aamoureg.c
+++ aalib-1.4.0/src/aamoureg.c
@@ -2,6 +2,7 @@
 #include "config.h"
 #include "aalib.h"
 #include "aaint.h"
+#include <string.h>
 __AA_CONST struct aa_mousedriver * __AA_CONST aa_mousedrivers[] =
 {
 #ifdef DJGPP
--- aalib-1.4.0/src/aaregist.c
+++ aalib-1.4.0/src/aaregist.c
@@ -2,6 +2,7 @@
 #include "config.h"
 #include "aalib.h"
 #include "aaint.h"
+#include <string.h>
 __AA_CONST struct aa_driver * __AA_CONST aa_drivers[] =
 {
 #ifdef DJGPP
--- aalib-1.4.0/src/aatest.c
+++ aalib-1.4.0/src/aatest.c
@@ -1,4 +1,5 @@
 #include "aalib.h"
+#include <string.h>
 int main(int argc, char **argv)
 {
     aa_context *c;