git_change_01

# Manual hunk edit mode -- see bottom for a quick guide
@@ -19,12 +41,14 @@ struct stack_ctx *stack_init(int initial_stack_size)
 	return ctx;
 }

+// Free inner data structures and stack's context.
 void stack_destroy(struct stack_ctx *ctx)
 {
 	free(ctx->data);
 	free(ctx);
 }

+// Push one number to stack
 void stack_push(struct stack_ctx *ctx, int num)
 {
 	if (ctx->pointer == ctx->stack_size) {
# ---
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#
# If the patch applies cleanly, the edited hunk will immediately be
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# then the edit is aborted and the hunk is left unchanged.