IEEE Standard for Information Technology--X.400 Based Electronic Messaging C Language Interfaces--Binding for Application Program Interfaces (API)
IEEE信息技术标准基于X.400的电子信息C语言接口应用程序接口绑定(API)
This standard defines an ISO/IEC 9989: 1990 {1} C language binding to the language-independent API defined in IEEE Std 1224.1-1993 {3}.1) It is intended to support application portability at the source-code level and to be used by application developers, system implementors, test method writers, and users.