BULK FIX: CRT F1 updates, part 1 of many (MicrosoftDocs#4584)

* BULK FIX: CRT F1 updates, part 1 of many

* Fix some helpviewer entries

Author: colin-home

docs/c-runtime-library/abnormal-termination.md

@@ -6,7 +6,7 @@ api_name: ["_abnormal_termination"]
 api_location: ["msvcr110.dll", "msvcr110_clr0400.dll", "msvcr90.dll", "msvcr120.dll", "msvcrt.dll", "msvcr80.dll", "msvcr100.dll"]
 api_type: ["DLLExport"]
 topic_type: ["apiref"]
-f1_keywords: ["_abnormal_termination"]
+f1_keywords: ["_abnormal_termination", "EXCPT/_abnormal_termination"]
 helpviewer_keywords: ["_abnormal_termination"]
 ms.assetid: 952970a4-9586-4c3d-807a-db729448c91c
 ---

docs/c-runtime-library/acmdln-tcmdln-wcmdln.md

@@ -6,7 +6,7 @@ api_name: ["_wcmdln", "_acmdln"]
 api_location: ["msvcrt.dll"]
 api_type: ["DLLExport"]
 topic_type: ["apiref"]
-f1_keywords: ["_acmdln", "acmdln", "_wcmdln", "wcmdln", "_tcmdln", "tcmdln"]
+f1_keywords: ["_acmdln", "_wcmdln", "_tcmdln"]
 helpviewer_keywords: ["_wcmdln global variable", "wcmdln global variable", "_acmdln global variable", "_tcmdln global variable", "tcmdln global variable", "acmdln global variable"]
 ms.assetid: 4fc0a6a0-3f93-420a-a19f-5276061ba539
 ---

docs/c-runtime-library/ansi-c-compliance.md

@@ -3,7 +3,6 @@ title: "ANSI C Conformance"
 description: "An overview of Microsoft C runtime naming conventions for ANSI C conformance."
 ms.date: "11/04/2016"
 ms.topic: "conceptual"
-f1_keywords: ["Ansi"]
 helpviewer_keywords: ["underscores, leading", "compatibility [C++], ANSI C", "conformance with ANSI C", "conventions [C++], Microsoft extensions", "underscores", "naming conventions [C++], Microsoft library", "ANSI [C++], C standard", "Microsoft extensions naming conventions"]
 ms.assetid: 6be271bf-eecf-491a-a928-0ee2dd60e3b9
 ---

docs/c-runtime-library/argc-argv-wargv.md

@@ -6,7 +6,7 @@ api_name: ["__wargv", "__argv", "__argc"]
 api_location: ["msvcrt120.dll"]
 api_type: ["DLLExport"]
 topic_type: ["apiref"]
-f1_keywords: ["__argv", "__argc", "__wargv"]
+f1_keywords: ["__argc", "STDLIB/__argc", "__argv", "STDLIB/__argv", "__wargv", "STDLIB/__wargv"]
 helpviewer_keywords: ["__argv", "__wargv", "__argc"]
 ms.assetid: 17001b0a-04ad-4762-b3a6-c54847f02d7c
 no-loc: [__argc, __argv, __wargv, main, wmain]

docs/c-runtime-library/bufsiz.md

@@ -2,7 +2,7 @@
 description: "Learn more about: BUFSIZ"
 title: "BUFSIZ"
 ms.date: "11/04/2016"
-f1_keywords: ["BUFSIZ"]
+f1_keywords: ["BUFSIZ", "STDIO/BUFSIZ"]
 helpviewer_keywords: ["BUFSIZ constant"]
 ms.assetid: 94ac04a3-d154-476b-bd89-eefbc7b949ae
 ---

docs/c-runtime-library/byte-and-wide-streams.md

@@ -3,7 +3,6 @@ title: "Byte and Wide Streams"
 description: "An overview of byte streams in the Microsoft C runtime library."
 ms.date: "11/04/2016"
 ms.topic: "conceptual"
-f1_keywords: ["Byte and Wide Streams"]
 helpviewer_keywords: ["byte streams", "wide streams"]
 ms.assetid: 61ef0587-4cbc-4eb8-aae5-4c298dbbc6f9
 ---

docs/c-runtime-library/clocks-per-sec-clk-tck.md

@@ -2,7 +2,7 @@
 description: "Learn more about: CLOCKS_PER_SEC, CLK_TCK"
 title: "CLOCKS_PER_SEC, CLK_TCK"
 ms.date: "11/04/2016"
-f1_keywords: ["CLOCKS_PER_SEC", "CLK_TCK"]
+f1_keywords: ["CLOCKS_PER_SEC", "TIME/CLOCKS_PER_SEC", "CLK_TCK", "TIME/CLK_TCK"]
 helpviewer_keywords: ["CLOCKS_PER_SEC", "CLK_TCK constant"]
 ms.assetid: bc285106-383d-44cb-91bf-276ad7de57bf
 ---

docs/c-runtime-library/constant-and-global-variable-mappings.md

@@ -2,8 +2,8 @@
 description: "Learn more about: Constant and Global Variable Mappings"
 title: "Constant and Global Variable Mappings"
 ms.date: "11/04/2016"
-f1_keywords: ["_tenviron", "_TEOF", "_tfinddata_t"]
-helpviewer_keywords: ["tfinddatat function", "tenviron function", "TEOF type", "_TEOF type", "generic-text mappings", "_tenviron function", "_tfinddata_t function"]
+f1_keywords: ["_tenviron", "TCHAR/_tenviron", "_TEOF", "TCHAR/_TEOF", "_tpgmptr", "TCHAR/_tpgmptr"]
+helpviewer_keywords: ["_tenviron global constant", "_TEOF global constant", "_tpgmptr global constant"]
 ms.assetid: 3af4fd3e-9ed5-4ed9-96fd-7031e5126fd1
 ---
 # Constant and global variable mappings

docs/c-runtime-library/controlling-streams.md

@@ -3,7 +3,6 @@ title: "Controlling Streams"
 description: "An overview of working with streams in the Microsoft C runtime library."
 ms.date: "11/04/2016"
 ms.topic: "conceptual"
-f1_keywords: ["Controlling Streams"]
 helpviewer_keywords: ["streams, controlling", "controlling streams", "streams"]
 ms.assetid: 267e9013-9afc-45f6-91e3-ca093230d9d9
 ---

docs/c-runtime-library/crt-disable-perfcrit-locks.md

@@ -2,7 +2,7 @@
 description: "Learn more about: _CRT_DISABLE_PERFCRIT_LOCKS"
 title: "_CRT_DISABLE_PERFCRIT_LOCKS"
 ms.date: "11/04/2016"
-f1_keywords: ["_CRT_DISABLE_PERFCRIT_LOCKS", "CRT_DISABLE_PERFCRIT_LOCKS"]
+f1_keywords: ["_CRT_DISABLE_PERFCRIT_LOCKS"]
 helpviewer_keywords: ["CRT_DISABLE_PERFCRIT_LOCKS constant", "_CRT_DISABLE_PERFCRIT_LOCKS constant"]
 ms.assetid: 36cc2d86-cdb1-4b2b-a03c-c0d3818e7c6f
 ---

docs/c-runtime-library/crtdbgflag.md

@@ -2,7 +2,7 @@
 description: "Learn more about: _crtDbgFlag"
 title: "_crtDbgFlag"
 ms.date: "11/04/2016"
-f1_keywords: ["_crtDbgFlag", "crtDbgFlag"]
+f1_keywords: ["_crtDbgFlag", "CRTDBG/_crtDbgFlag"]
 helpviewer_keywords: ["memory allocation, tracking flag", "crtDbgFlag constant", "_crtDbgFlag constant", "debug heap, tracking memory on", "debug heap, control flags", "enable memory allocation tracking flag", "memory, tracking on the debug heap"]
 ms.assetid: 9e7adb47-8ab9-4e19-81d5-e2f237979973
 ---

docs/c-runtime-library/data-type-constants.md

@@ -2,7 +2,7 @@
 description: "Learn more about: Data Type Constants"
 title: "Data Type Constants"
 ms.date: "06/25/2018"
-f1_keywords: ["FLT_MIN", "SHRT_MAX", "CHAR_MIN", "MB_LEN_MAX", "DBL_EPSILON", "SHRT_MIN", "_FLT_RADIX", "FLT_DIG", "FLT_MAX_10_EXP", "FLT_MANT_DIG", "DBL_MAX_EXP", "SCHAR_MIN", "SCHAR_MAX", "DBL_MIN", "FLT_MIN_10_EXP", "_DBL_ROUNDS", "USHRT_MAX", "FLT_MAX_EXP", "LONG_MAX", "DBL_MAX", "DBL_DIG", "FLT_MIN_EXP", "INT_MIN", "DBL_MIN_10_EXP", "CHAR_BIT", "INT_MAX", "ULONG_MAX", "DBL_MIN_EXP", "LONG_MIN", "_FLT_ROUNDS", "DBL_MANT_DIG", "_DBL_RADIX", "CHAR_MAX", "FLT_MAX", "DBL_MAX_10_EXP", "UCHAR_MAX", "FLT_EPSILON", "UINT_MAX", "LLONG_MIN", "LLONG_MAX", "ULLONG_MAX", "_I8_MIN", "_I8_MAX", "_UI8_MAX", "_I16_MIN", "_I16_MAX", "_UI16_MAX", "_I32_MIN", "_I32_MAX", "_UI32_MAX", "_I64_MIN", "_I64_MAX", "_UI64_MAX", "_I128_MIN", "_I128_MAX", "_UI128_MAX", "SIZE_MAX", "RSIZE_MAX", "LDBL_DIG", "LDBL_EPSILON", "LDBL_HAS_SUBNORM", "LDBL_MANT_DIG", "LDBL_MAX", "LDBL_MAX_10_EXP", "LDBL_MAX_EXP", "LDBL_MIN", "LDBL_MIN_10_EXP", "LDBL_MIN_EXP", "_LDBL_RADIX", "LDBL_TRUE_MIN", "DECIMAL_DIG"]
+f1_keywords: ["CHAR_BIT", "SCHAR_MIN", "SCHAR_MAX", "UCHAR_MAX", "CHAR_MIN", "CHAR_MAX", "MB_LEN_MAX", "SHRT_MIN", "SHRT_MAX", "USHRT_MAX", "INT_MIN", "INT_MAX", "UINT_MAX", "LONG_MIN", "LONG_MAX", "ULONG_MAX", "LLONG_MIN", "LLONG_MAX", "ULLONG_MAX", "_I8_MIN", "_I8_MAX", "_UI8_MAX", "_I16_MIN", "_I16_MAX", "_UI16_MAX", "_I32_MIN", "_I32_MAX", "_UI32_MAX", "_I64_MIN", "_I64_MAX", "_UI64_MAX", "_I128_MIN", "_I128_MAX", "_UI128_MAX", "SIZE_MAX", "RSIZE_MAX", "LIMITS/CHAR_BIT", "LIMITS/SCHAR_MIN", "LIMITS/SCHAR_MAX", "LIMITS/UCHAR_MAX", "LIMITS/CHAR_MIN", "LIMITS/CHAR_MAX", "LIMITS/MB_LEN_MAX", "LIMITS/SHRT_MIN", "LIMITS/SHRT_MAX", "LIMITS/USHRT_MAX", "LIMITS/INT_MIN", "LIMITS/INT_MAX", "LIMITS/UINT_MAX", "LIMITS/LONG_MIN", "LIMITS/LONG_MAX", "LIMITS/ULONG_MAX", "LIMITS/LLONG_MIN", "LIMITS/LLONG_MAX", "LIMITS/ULLONG_MAX", "LIMITS/_I8_MIN", "LIMITS/_I8_MAX", "LIMITS/_UI8_MAX", "LIMITS/_I16_MIN", "LIMITS/_I16_MAX", "LIMITS/_UI16_MAX", "LIMITS/_I32_MIN", "LIMITS/_I32_MAX", "LIMITS/_UI32_MAX", "LIMITS/_I64_MIN", "LIMITS/_I64_MAX", "LIMITS/_UI64_MAX", "LIMITS/_I128_MIN", "LIMITS/_I128_MAX", "LIMITS/_UI128_MAX", "LIMITS/SIZE_MAX", "LIMITS/RSIZE_MAX", "DBL_DECIMAL_DIG", "DBL_DIG", "DBL_EPSILON", "DBL_HAS_SUBNORM", "DBL_MANT_DIG", "DBL_MAX", "DBL_MAX_10_EXP", "DBL_MAX_EXP", "DBL_MIN", "DBL_MIN_10_EXP", "DBL_MIN_EXP", "_DBL_RADIX", "DBL_TRUE_MIN", "FLT_DECIMAL_DIG", "FLT_DIG", "FLT_EPSILON", "FLT_HAS_SUBNORM", "FLT_MANT_DIG", "FLT_MAX", "FLT_MAX_10_EXP", "FLT_MAX_EXP", "FLT_MIN", "FLT_MIN_10_EXP", "FLT_MIN_EXP", "FLT_RADIX", "FLT_TRUE_MIN", "LDBL_DIG", "LDBL_EPSILON", "LDBL_HAS_SUBNORM", "LDBL_MANT_DIG", "LDBL_MAX", "LDBL_MAX_10_EXP", "LDBL_MAX_EXP", "LDBL_MIN", "LDBL_MIN_10_EXP", "LDBL_MIN_EXP", "_LDBL_RADIX", "LDBL_TRUE_MIN", "DECIMAL_DIG", "FLOAT/DBL_DECIMAL_DIG", "FLOAT/DBL_DIG", "FLOAT/DBL_EPSILON", "FLOAT/DBL_HAS_SUBNORM", "FLOAT/DBL_MANT_DIG", "FLOAT/DBL_MAX", "FLOAT/DBL_MAX_10_EXP", "FLOAT/DBL_MAX_EXP", "FLOAT/DBL_MIN", "FLOAT/DBL_MIN_10_EXP", "FLOAT/DBL_MIN_EXP", "FLOAT/_DBL_RADIX", "FLOAT/DBL_TRUE_MIN", "FLOAT/FLT_DECIMAL_DIG", "FLOAT/FLT_DIG", "FLOAT/FLT_EPSILON", "FLOAT/FLT_HAS_SUBNORM", "FLOAT/FLT_MANT_DIG", "FLOAT/FLT_MAX", "FLOAT/FLT_MAX_10_EXP", "FLOAT/FLT_MAX_EXP", "FLOAT/FLT_MIN", "FLOAT/FLT_MIN_10_EXP", "FLOAT/FLT_MIN_EXP", "FLOAT/FLT_RADIX", "FLOAT/FLT_TRUE_MIN", "FLOAT/LDBL_DIG", "FLOAT/LDBL_EPSILON", "FLOAT/LDBL_HAS_SUBNORM", "FLOAT/LDBL_MANT_DIG", "FLOAT/LDBL_MAX", "FLOAT/LDBL_MAX_10_EXP", "FLOAT/LDBL_MAX_EXP", "FLOAT/LDBL_MIN", "FLOAT/LDBL_MIN_10_EXP", "FLOAT/LDBL_MIN_EXP", "FLOAT/_LDBL_RADIX", "FLOAT/LDBL_TRUE_MIN", "FLOAT/DECIMAL_DIG"]
 helpviewer_keywords: ["DBL_MAX_EXP constant", "_DBL_RADIX constant", "FLT_MIN_EXP constant", "DBL_EPSILON constant", "INT_MIN constant", "FLT_EPSILON constant", "DBL_MANT_DIG constant", "_FLT_RADIX constant", "DBL_MIN constant", "USHRT_MAX constant", "FLT_MAX_10_EXP constant", "_FLT_ROUNDS constant", "data type constants [C++]", "_DBL_ROUNDS constant", "CHAR_MAX constant", "FLT_MAX_EXP constant", "FLT_MIN constant", "CHAR_MIN constant", "FLT_MIN_10_EXP constant", "DBL_MIN_EXP constant", "SCHAR_MAX constant", "FLT_RADIX constant", "CHAR_BIT constant", "UCHAR_MAX constant", "DBL_RADIX constant", "FLT_ROUNDS constant", "LONG_MIN constant", "SHRT_MAX constant", "LONG_MAX constant", "DBL_MAX_10_EXP constant", "DBL_MIN_10_EXP constant", "INT_MAX constant", "constants [C++], data type", "ULONG_MAX constant", "FLT_DIG constant", "MB_LEN_MAX constant", "DBL_DIG constant", "SHRT_MIN constant", "DBL_MAX constant", "DBL_ROUNDS constant", "FLT_MAX constant", "UINT_MAX constant", "FLT_MANT_DIG constant", "SCHAR_MIN constant", "LLONG_MIN constant", "LLONG_MAX constant", "ULLONG_MAX constant", "_I8_MIN constant", "_I8_MAX constant", "_UI8_MAX constant", "_I16_MIN constant", "_I16_MAX constant", "_UI16_MAX constant", "_I32_MIN constant", "_I32_MAX constant", "_UI32_MAX constant", "_I64_MIN constant", "_I64_MAX constant", "_UI64_MAX constant", "_I128_MIN constant", "_I128_MAX constant", "_UI128_MAX constant", "SIZE_MAX constant", "RSIZE_MAX constant"]
 ---
 # Data type constants

docs/c-runtime-library/data-type-mappings.md

@@ -2,7 +2,7 @@
 description: "Learn more about: Data Type Mappings"
 title: "Data Type Mappings"
 ms.date: "11/04/2016"
-f1_keywords: ["_TXCHAR", "_TUCHAR", "_TINT", "_TSCHAR", "_TCHAR", "TCHAR::H", "TCHAR", "_T", "_TEXT"]
+f1_keywords: ["_TXCHAR", "_TUCHAR", "_TINT", "_TSCHAR", "_TCHAR", "TCHAR", "_T", "_TEXT"]
 helpviewer_keywords: ["_TXCHAR type", "TINT type", "_TCHAR type", "TSCHAR type", "TEXT type", "TCHAR type", "TCHAR.H data types, mappings defined in", "generic-text data types", "_TINT type", "TUCHAR type", "TXCHAR type", "_TSCHAR type", "T type", "_TUCHAR type", "_TEXT type", "_T type"]
 ms.assetid: 4e573c05-8800-468b-ae5f-76ff7409835e
 ---

docs/c-runtime-library/daylight-dstbias-timezone-and-tzname.md

@@ -2,8 +2,8 @@
 description: "Learn more about: _daylight, _dstbias, _timezone, and _tzname"
 title: "_daylight, _dstbias, _timezone, and _tzname"
 ms.date: "11/04/2016"
-f1_keywords: ["tzname", "_timezone", "timezone", "_daylight", "_tzname", "daylight"]
-helpviewer_keywords: ["time zones", "time adjustments", "timezone variables", "_tzname function", "_daylight function", "_timezone function", "daylight function", "local time adjustments", "timezone function", "tzname function", "time-zone variables"]
+f1_keywords: ["_daylight", "TIME/_daylight", "_dstbias", "TIME/_dstbias", "_timezone", "TIME/_timezone", "_tzname", "TIME/_tzname"]
+helpviewer_keywords: ["time zones", "time adjustments", "timezone variables", "_daylight global variable", "_dstbias global variable", "_timezone global variable", "_tzname global variable", "local time adjustments", "time-zone variables"]
 ms.assetid: d06c7292-6b99-4aba-b284-16a96570c856
 ---
 # `_daylight`, `_dstbias`, `_timezone`, and `_tzname`

docs/c-runtime-library/environ-wenviron.md

@@ -2,8 +2,8 @@
 description: "Learn more about: _environ, _wenviron"
 title: "_environ, _wenviron"
 ms.date: "11/04/2016"
-f1_keywords: ["environ", "wenviron", "_wenviron", "_environ"]
-helpviewer_keywords: ["environ function", "_environ function", "_wenviron function", "process environment", "wenviron function"]
+f1_keywords: ["_environ", "STDLIB/_environ", "_wenviron", "STDLIB/_wenviron"]
+helpviewer_keywords: ["_environ global variable", "_wenviron global variable", "process environment"]
 ms.assetid: 7e639962-6536-47cd-8095-0cbe44a56e03
 ---
 # `_environ`, `_wenviron`

docs/c-runtime-library/eof-weof.md

@@ -2,7 +2,8 @@
 description: "Learn more about: EOF, WEOF"
 title: "EOF, WEOF"
 ms.date: "11/04/2016"
-helpviewer_keywords: ["EOF function", "WEOF function", "end of file"]
+f1_keywords: ["EOF", "STDIO/EOF", "WEOF", "CORECRT_WSTDIO/WEOF"]
+helpviewer_keywords: ["EOF constant", "WEOF constant", "end of file"]
 ms.assetid: a7150563-cdae-4cdf-9798-ad509990e505
 ---
 # `EOF`, `WEOF`

docs/c-runtime-library/errno-doserrno-sys-errlist-and-sys-nerr.md

@@ -6,7 +6,7 @@ api_name: ["_errno"]
 api_location: ["msvcrt.dll"]
 api_type: ["DLLExport"]
 topic_type: ["apiref"]
-f1_keywords: ["_sys_errlist", "errno", "_sys_nerr", "_doserrno"]
+f1_keywords: ["errno", "ERRNO/errno", "_doserrno", "ERRNO/_doserrno", "_sys_errlist", "STDLIB/_sys_errlist", "_sys_nerr", "STDLIB/_sys_nerr"]
 helpviewer_keywords: ["error codes, printing", "sys_errlist global variable", "doserrno global variable", "errno global variable", "_doserrno global variable", "_sys_errlist global variable", "_sys_nerr global variable", "sys_nerr global variable"]
 ms.assetid: adbec641-6d91-4e19-8398-9a34046bd369
 ---

docs/c-runtime-library/exception-handling-constants.md

@@ -2,7 +2,7 @@
 description: "Learn more about: Exception-Handling Constants"
 title: "Exception-Handling Constants"
 ms.date: "11/04/2016"
-f1_keywords: ["EXCEPTION_CONTINUE_SEARCH", "EXCEPTION_CONTINUE_EXECUTION", "EXCEPTION_EXECUTE_HANDLER"]
+f1_keywords: ["EXCEPTION_CONTINUE_SEARCH", "EXCEPTION_CONTINUE_EXECUTION", "EXCEPTION_EXECUTE_HANDLER", "EXCPT/EXCEPTION_CONTINUE_SEARCH", "EXCPT/EXCEPTION_CONTINUE_EXECUTION", "EXCPT/EXCEPTION_EXECUTE_HANDLER"]
 helpviewer_keywords: ["exception handling, constants", "EXCEPTION_CONTINUE_SEARCH constant", "EXCEPTION_EXECUTE_HANDLER constant", "EXCEPTION_CONTINUE_EXECUTION constant", "EH constants"]
 ms.assetid: e1870f41-be9e-46a3-a2ea-830dfbaa18fb
 ---

docs/c-runtime-library/exit-success-exit-failure.md

@@ -2,7 +2,7 @@
 description: "Learn more about: EXIT_SUCCESS, EXIT_FAILURE"
 title: "EXIT_SUCCESS, EXIT_FAILURE"
 ms.date: "06/25/2018"
-f1_keywords: ["EXIT_FAILURE", "EXIT_SUCCESS"]
+f1_keywords: ["EXIT_FAILURE", "EXIT_SUCCESS", "STDLIB/EXIT_FAILURE", "STDLIB/EXIT_SUCCESS"]
 helpviewer_keywords: ["EXIT_SUCCESS constant", "EXIT_FAILURE constant"]
 ---
 # `EXIT_SUCCESS`, `EXIT_FAILURE`

docs/c-runtime-library/file-attribute-constants.md

@@ -2,7 +2,7 @@
 description: "Learn more about: File Attribute Constants"
 title: "File Attribute Constants"
 ms.date: "11/04/2016"
-f1_keywords: ["A_HIDDEN", "_A_NORMAL", "_A_SUBDIR", "_A_RDONLY", "A_NORMAL", "A_SUBDIR", "_A_SYSTEM", "c.constants.file", "_A_HIDDEN", "A_RDONLY", "_A_ARCH", "A_ARCH"]
+f1_keywords: ["_A_ARCH", "_A_HIDDEN", "_A_NORMAL", "_A_RDONLY", "_A_SUBDIR", "_A_SYSTEM", "CORECRT_IO/_A_ARCH", "CORECRT_IO/_A_HIDDEN", "CORECRT_IO/_A_NORMAL", "CORECRT_IO/_A_RDONLY", "CORECRT_IO/_A_SUBDIR", "CORECRT_IO/_A_SYSTEM", "c.constants.file"]
 helpviewer_keywords: ["constants [C++], file attributes", "file attribute constants [C++]", "_A_SYSTEM constant", "files [C++], file attribute constants", "_A_SUBDIR constant", "_A_ARCH constant", "_A_NORMAL constant", "_A_HIDDEN constant", "_A_RDONLY constant"]
 ms.assetid: 8dc8ccb9-99f5-446b-876c-7ebecc2f764f
 ---

docs/c-runtime-library/file-constants.md

@@ -2,7 +2,7 @@
 description: "Learn more about: File Constants"
 title: "File Constants"
 ms.date: "11/04/2016"
-f1_keywords: ["_O_EXCL", "_O_RDWR", "_O_APPEND", "_O_RDONLY", "_O_TRUNC", "_O_CREAT", "_O_WRONLY"]
+f1_keywords: ["_O_APPEND", "_O_CREAT", "_O_EXCL", "_O_RDONLY", "_O_RDWR", "_O_TRUNC", "_O_WRONLY", "FCNTL/_O_APPEND", "FCNTL/_O_CREAT", "FCNTL/_O_EXCL", "FCNTL/_O_RDONLY", "FCNTL/_O_RDWR", "FCNTL/_O_TRUNC", "FCNTL/_O_WRONLY"]
 helpviewer_keywords: ["_O_RDWR constant", "O_EXCL constant", "O_RDWR constant", "O_WRONLY constant", "O_APPEND constant", "O_CREAT constant", "_O_CREAT constant", "_O_APPEND constant", "_O_EXCL constant", "O_TRUNC constant", "_O_RDONLY constant", "_O_TRUNC constant", "O_RDONLY constant", "_O_WRONLY constant"]
 ms.assetid: c8fa5548-9ac2-4217-801d-eb45e86f2fa4
 ---

docs/c-runtime-library/fmode.md

@@ -2,8 +2,8 @@
 description: "Learn more about: _fmode"
 title: "_fmode"
 ms.date: "11/04/2016"
-f1_keywords: ["fmode", "_fmode"]
-helpviewer_keywords: ["file translation [C++], default mode", "fmode function", "_fmode function"]
+f1_keywords: ["_fmode", "STDLIB/_fmode"]
+helpviewer_keywords: ["file translation [C++], default mode", "_fmode global variable"]
 ms.assetid: ac6df9eb-e5cc-4c54-aff3-373c21983118
 ---
 # `_fmode`

docs/c-runtime-library/iob.md

@@ -6,7 +6,7 @@ api_name: ["_iob"]
 api_location: ["msvcrt.dll"]
 api_type: ["DLLExport"]
 topic_type: ["apiref"]
-f1_keywords: ["_iob", "iob"]
+f1_keywords: ["_iob", "_IOB_ENTRIES", "STDIO/_IOB_ENTRIES"]
 helpviewer_keywords: ["_iob global variable", "iob global variable"]
 ms.assetid: 008ed376-8078-4bbd-bc6c-0677c63d0ff1
 ---

docs/c-runtime-library/max-env.md

@@ -2,8 +2,8 @@
 description: "Learn more about: _MAX_ENV"
 title: "_MAX_ENV"
 ms.date: "11/04/2016"
-f1_keywords: ["_MAX_ENV", "MAX_ENV"]
-helpviewer_keywords: ["MAX_ENV constant", "_MAX_ENV constant"]
+f1_keywords: ["_MAX_ENV", "STDLIB/_MAX_ENV"]
+helpviewer_keywords: ["_MAX_ENV constant"]
 ms.assetid: 66f0683e-6132-4297-b99b-6940534898b5
 ---
 # `_MAX_ENV`

docs/c-runtime-library/mb-cur-max.md

@@ -2,7 +2,7 @@
 description: "Learn more about: MB_CUR_MAX"
 title: "MB_CUR_MAX"
 ms.date: "10/18/2017"
-f1_keywords: ["MB_CUR_MAX"]
+f1_keywords: ["MB_CUR_MAX", "CTYPE/MB_CUR_MAX"]
 helpviewer_keywords: ["MB_CUR_MAX constant"]
 ms.assetid: fab22609-c14d-4c19-991c-bd09ff30e604
 ---

docs/c-runtime-library/null-crt.md

@@ -2,7 +2,7 @@
 description: "Learn more about: NULL (CRT)"
 title: "NULL (CRT)"
 ms.date: "11/04/2016"
-f1_keywords: ["null"]
+f1_keywords: ["NULL", "VCRUNTIME/NULL"]
 helpviewer_keywords: ["NULL", "null pointers", "NULL, null pointer value"]
 ms.assetid: f9aac2a0-4f79-423f-8738-a76dccc0b1c3
 ---

docs/c-runtime-library/path-field-limits.md

@@ -2,7 +2,7 @@
 description: "Learn more about: Path Field Limits"
 title: "Path Field Limits"
 ms.date: "11/04/2016"
-f1_keywords: ["_MAX_EXT", "_MAX_DIR", "_MAX_PATH", "_MAX_FNAME", "_MAX_DRIVE"]
+f1_keywords: ["_MAX_EXT", "_MAX_DIR", "_MAX_PATH", "_MAX_FNAME", "_MAX_DRIVE", "STDLIB/_MAX_EXT", "STDLIB/_MAX_DIR", "STDLIB/_MAX_PATH", "STDLIB/_MAX_FNAME", "STDLIB/_MAX_DRIVE"]
 helpviewer_keywords: ["path field constants", "MAX_FNAME constant", "_MAX_DIR constant", "_MAX_DRIVE constant", "paths, maximum limit", "_MAX_PATH constant", "MAX_DRIVE constant", "_MAX_FNAME constant", "_MAX_EXT constant", "MAX_DIR constant", "MAX_EXT constant"]
 ms.assetid: 2b5d0e43-1347-45b4-8397-24a8a45c444e
 ---

docs/c-runtime-library/pctype-pwctype-wctype-mbctype-mbcasemap.md

@@ -6,8 +6,8 @@ api_name: ["_pctype", "_pwctype", "_wctype", "_mbctype", "_mbcasemap"]
 api_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", "api-ms-win-crt-multibyte-l1-1-0.dll"]
 api_type: ["DLLExport"]
 topic_type: ["apiref"]
-f1_keywords: ["pwctype", "pctype", "mbctype", "mbcasemap", "_mbcasemap", "_mbctype", "_pctype", "_wctype", "_pcwtype"]
-helpviewer_keywords: ["_wctype function", "_pwctype function", "_pctype function", "_mbctype function", "wctype function", "pwctype function", "pctype function", "mbcasemap function", "mbctype function", "_mbcasemap function"]
+f1_keywords: ["_pctype", "CORECRT_WCTYPE/_pctype", "_pwctype", "CORECRT_WCTYPE/_pcwtype", "_mbctype", "MBCTYPE/_mbctype", "_mbcasemap", "MBCTYPE/_mbcasemap", "_wctype"]
+helpviewer_keywords: ["_pctype global variable", "_pwctype global variable", "_wctype global variable", "_mbctype global variable", "_mbcasemap global variable"]
 ms.assetid: 7f5e1107-c43b-4b9b-b387-781e6d2373cb
 ---
 # `_pctype`, `_pwctype`, `_wctype`, `_mbctype`, `_mbcasemap`

docs/c-runtime-library/pgmptr-wpgmptr.md

@@ -2,8 +2,8 @@
 description: "Learn more about: _pgmptr, _wpgmptr"
 title: "_pgmptr, _wpgmptr"
 ms.date: "11/04/2016"
-f1_keywords: ["pgmptr", "_pgmptr", "wpgmptr", "_wpgmptr"]
-helpviewer_keywords: ["wpgmptr function", "_wpgmptr function", "_pgmptr function", "pgmptr function"]
+f1_keywords: ["_pgmptr", "STDLIB/_pgmptr", "_wpgmptr", "STDLIB/_wpgmptr"]
+helpviewer_keywords: ["_pgmptr global variable", "_wpgmptr global variable"]
 ms.assetid: 4d44b515-0eff-4136-8bc4-684195f218f5
 ---
 # `_pgmptr`, `_wpgmptr`