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The Microsoft run-time library provides many routines that are useful for creating different versions of a program for international markets. This includes locale-related routines, wide-character routines, multibyte-character routines, and generic-text routines. For convenience, most locale-related routines are also categorized in this reference according to the operations they perform. In this section and in the alphabetic reference, multibyte-character routines and wide-character routines are described with single-byte-character counterparts, where they exist.