11---
2- description : " Learn more about: islower, iswlower, _islower_l, _iswlower_l"
32title : " islower, iswlower, _islower_l, _iswlower_l"
4- ms.date : " 4/2/2020"
3+ description : " Learn more about: islower, iswlower, _islower_l, _iswlower_l"
4+ ms.date : 4/2/2020
55api_name : ["iswlower", "_islower_l", "islower", "_iswlower_l", "_o_islower", "_o_iswlower"]
66api_location : ["msvcrt.dll", "msvcr80.dll", "msvcr90.dll", "msvcr100.dll", "msvcr100_clr0400.dll", "msvcr110.dll", "msvcr110_clr0400.dll", "msvcr120.dll", "msvcr120_clr0400.dll", "ucrtbase.dll", "api-ms-win-crt-string-l1-1-0.dll", "ntoskrnl.exe"]
77api_type : ["DLLExport"]
88topic_type : ["apiref"]
99f1_keywords : ["_istlower", "islower", "_ismbclower_l", "_liswlower_l", "_istlower_l", "_iswlower_l", "_islower _l", "_islower_l", "iswlower"]
1010helpviewer_keywords : ["_islower _l function", "_ismbclower_l function", "islower function", "_iswlower_l function", "_liswlower_l function", "_istlower_l function", "istlower function", "_istlower function", "iswlower function", "_islower_l function"]
11- ms.assetid : fcc3b70a-2b47-45fd-944d-e5c1942e6457
1211---
1312# ` islower ` , ` iswlower ` , ` _islower_l ` , ` _iswlower_l `
1413
@@ -54,7 +53,7 @@ The behavior of **`islower`** and **`_islower_l`** is undefined if *`c`* isn't E
5453| TCHAR.H routine | ` _UNICODE ` and ` _MBCS ` not defined | ` _MBCS ` defined | ` _UNICODE ` defined |
5554| ---| ---| ---| ---|
5655| ` _istlower ` | ** ` islower ` ** | [ ` _ismbclower ` ] ( ismbclower-ismbclower-l-ismbcupper-ismbcupper-l.md ) | ** ` iswlower ` ** |
57- | ** ` _istlower_l ` ** | ` _islower _l ` | [ ` _ismbclower_l ` ] ( ismbclower-ismbclower-l-ismbcupper-ismbcupper-l.md ) | ** ` _liswlower_l ` ** |
56+ | ** ` _istlower_l ` ** | ` _islower_l ` | [ ` _ismbclower_l ` ] ( ismbclower-ismbclower-l-ismbcupper-ismbcupper-l.md ) | ** ` _liswlower_l ` ** |
5857
5958## Remarks
6059
@@ -64,10 +63,10 @@ By default, this function's global state is scoped to the application. To change
6463
6564| Routine | Required header |
6665| ---| ---|
67- | ** ` islower ` ** | \ < ctype.h> |
68- | ** ` iswlower ` ** | \ < ctype.h> or \ < wchar.h> |
69- | ** ` _islower_l ` ** | \ < ctype.h> |
70- | ** ` _swlower_l ` ** | \ < ctype.h> or \ < wchar.h> |
66+ | ** ` islower ` ** | ` <ctype.h> ` |
67+ | ** ` iswlower ` ** | ` <ctype.h> ` or ` <wchar.h> ` |
68+ | ** ` _islower_l ` ** | ` <ctype.h> ` |
69+ | ** ` _swlower_l ` ** | ` <ctype.h> ` or ` <wchar.h> ` |
7170
7271For more compatibility information, see [ Compatibility] ( ../compatibility.md ) .
7372
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