added find_start method

libkeke_array.c

@@ -176,6 +176,14 @@ void *keke_array_find(KekeArray *array, Test_func test) {
     return NULL;
 }
 
+void *keke_array_find_start(KekeArray *array, void *start, size_t size) {
+    for(size_t i = 0; i < array->len; i++) {
+		void *current = ARRAY_GET(array, i);
+		if(memcmp(current, start, size) == 0) return current;
+    }
+    return NULL;
+}
+
 KekeArray *keke_array_filter(KekeArray *array, Test_func test) {
 	KekeArray *ret = keke_array_alloc(0, array->type_size);
     for(size_t i = 0; i < array->len; i++) {

libkeke_array.h

@@ -40,7 +40,10 @@ void keke_array_reverse(KekeArray *array);
 typedef bool (*Test_func)(void *, size_t, KekeArray *);
 bool keke_array_some(KekeArray *array, Test_func test);
 bool keke_array_all(KekeArray *array, Test_func test);
+
+void *keke_array_find_start(KekeArray *array, void *start, size_t size);
 void *keke_array_find(KekeArray *array, Test_func test);
+
 KekeArray *keke_array_filter(KekeArray *array, Test_func test);
 
 typedef void (*B_func)(void *, void *);

test_array.c

@@ -22,11 +22,11 @@ void sub4(void *i, size_t, KekeArray *) {
 bool heart(void *i, size_t, KekeArray *) {
 	return *(int *)i < 3;
 }
+
 bool lt2(void *i, size_t, KekeArray *) {
 	return *(int *)i < 2;
 }
 
-
 void add(void *vx, void *vacc) {
 	int *x = (int *)vx;
 	int *acc = (int *)vacc;
@@ -126,6 +126,10 @@ int main(void) {
 
 	int *l = keke_array_find(array2, lt2);
     puts("Expected value:\n1");
+    printf("%d\n\n", *l);
+    
+	l = keke_array_find_start(array2, l, sizeof(*l));
+    puts("Expected value:\n1");
     printf("%d\n\n", *l);
 
 	j = 0;