NSLog打印NSInteger老是有warning

• z
  Specifies that a following [...] conversion specifier applies to a size_t or the corresponding signed integer type argument;
• • size_t is used to represent the size of any object (including arrays) in the particular implementation. It is used as the return type of the sizeof operator.

NSLog打印NSInteger老是有warning

原文：http://www.cnblogs.com/studyNT/p/4568713.html