When sending the contents of a memory error Error code 12

Memory error occurs when calling sendto function in the iPhone, the error code is 12, how to solve ah?
Reply:
Is to keep sending UDP data, resulting in insufficient system resources. But can not find the reason
Reply:
Is a memory leak or not to release your resources, something just does not send the right data
Reply:
Memory management is good, and will not go wrong. Intended to build the code you send out stickers to know where wrong.