feat: add stack

stack/mystack.h

@@ -0,0 +1,25 @@
+#ifndef MYCLIB_STACK_H
+#define MYCLIB_STACK_H
+
+#include <stddef.h>
+#include <threads.h>
+
+#include "../vector/myvector.h"
+
+typedef struct stack {
+	vec_s *data;
+	size_t elem_size;
+	mtx_t lock;
+} stack_s;
+
+stack_s *stack_new(size_t initial_capacity, size_t element_size);
+
+void *stack_pop(stack_s *stack);
+
+int stack_push(stack_s *stack, void *elem);
+
+void *stack_top(stack_s *stack);
+
+void stack_free(stack_s *stack);
+
+#endif