wasmer-c-api-2.c

void print_str(wasmer_instance_context_t *ctx, int32_t ptr, int32_t len)
{
    print_str_called = true;
    wasmer_memory_t *memory = wasmer_instance_context_memory(ctx, 0);
    uint32_t mem_len = wasmer_memory_length(memory);
    uint8_t *mem_bytes = wasmer_memory_data(memory);
    printf("%.*s", len, mem_bytes + ptr);
}