![](https://csdnimg.cn/release/download_crawler_static/12505220/bg10.jpg)
Section number Title Page
7.3.4.3 operator ().......................................................................................................................................175
7.3.5 Locale Static Members.....................................................................................................................................175
7.3.5.1 global..............................................................................................................................................175
7.3.5.2 classic.............................................................................................................................................176
7.3.6 Locale Globals................................................................................................................................................. 176
7.3.6.1 use_facet.........................................................................................................................................176
7.3.6.2 has_facet.........................................................................................................................................177
7.3.7 Convenience Interfaces....................................................................................................................................177
7.3.8 Character Classification................................................................................................................................... 177
7.3.9 Character Conversions..................................................................................................................................... 177
7.3.9.1 toupper........................................................................................................................................... 178
7.3.9.2 tolower........................................................................................................................................... 178
7.4 Standard Locale Categories............................................................................................................................................ 178
7.4.1 The Ctype Category......................................................................................................................................... 179
7.4.1.1 Template Class Ctype ................................................................................................................... 179
7.4.1.1.1 is................................................................................................................................180
7.4.1.1.2 scan_is.......................................................................................................................180
7.4.1.1.3 scan_not.................................................................................................................... 180
7.4.1.1.4 toupper...................................................................................................................... 181
7.4.1.1.5 tolower...................................................................................................................... 181
7.4.1.1.6 widen.........................................................................................................................181
7.4.1.1.7 narrow....................................................................................................................... 181
7.4.1.2 ctype Virtual Functions..................................................................................................................182
7.4.1.2.1 do_is..........................................................................................................................182
7.4.1.2.2 do_scan_is.................................................................................................................182
7.4.1.2.3 do_scan_not.............................................................................................................. 182
7.4.1.2.4 do_toupper................................................................................................................ 182
7.4.1.2.5 do_tolower................................................................................................................ 183
7.4.1.2.6 do_widen...................................................................................................................183
EWL C++ Library Reference Manual, Rev. 10.x, 02/2014
16 Freescale Semiconductor, Inc.