Added merge_by_header

test_array.c

@@ -6,15 +6,24 @@
 #include "libkeke_utils.h"
 
 #define ARRAY_LEN 10
+#define ARRAY_ALT_LEN 512
 
 void set(void *, size_t index, KekeArray *array) {
     keke_array_set(array, ARRAY_LEN - index - 1, &index);
 }
 
+void set_alt(void *, size_t index, KekeArray *array) {
+    keke_array_set(array, ARRAY_ALT_LEN - index - 1, &index);
+}
+
 void output(void *i, size_t, KekeArray *) {
     printf("%d, ", *(int *)i);
 }
 
+void output_hex(void *i, size_t, KekeArray *) {
+    printf("%x, ", *(int *)i);
+}
+
 void sub4(void *i, size_t, KekeArray *) {
 	*(int *)i -= 4;
 }
@@ -23,6 +32,10 @@ void add250(void *i, size_t, KekeArray *) {
 	*(int *)i += 250;
 }
 
+void sub250(void *i, size_t, KekeArray *) {
+	*(int *)i -= 250;
+}
+
 bool heart(void *i, size_t, KekeArray *) {
 	return *(int *)i < 3;
 }