Rename some functions that start with underscore.

fpdfsdk/src/fsdk_baseannot.cpp

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include <algorithm>
 
 #include "core/include/fxcrt/fx_ext.h"
 #include "fpdfsdk/include/fsdk_baseannot.h"
 #include "fpdfsdk/include/fsdk_define.h"
 #include "fpdfsdk/include/fsdk_mgr.h"
 
 #ifdef PDF_ENABLE_XFA
 #include "fpdfsdk/include/fpdfxfa/fpdfxfa_doc.h"
 #endif  // PDF_ENABLE_XFA
 
-int _gAfxGetTimeZoneInSeconds(FX_CHAR tzhour, uint8_t tzminute) {
+int gAfxGetTimeZoneInSeconds(int8_t tzhour, uint8_t tzminute) {
   return (int)tzhour * 3600 + (int)tzminute * (tzhour >= 0 ? 60 : -60);
 }
 
 FX_BOOL _gAfxIsLeapYear(int16_t year) {
   return ((year % 400 == 0) || ((year % 4 == 0) && (year % 100 != 0)));
 }
 
 FX_WORD _gAfxGetYearDays(int16_t year) {
   return (_gAfxIsLeapYear(year) == TRUE ? 366 : 365);
 }
@@ skipping 368 matching lines @@
     st.wDayOfWeek = (FX_WORD)pTime->tm_wday;
     st.wHour = (FX_WORD)pTime->tm_hour;
     st.wMinute = (FX_WORD)pTime->tm_min;
     st.wSecond = (FX_WORD)pTime->tm_sec;
     st.wMilliseconds = 0;
   }
 }
 
 CPDFSDK_DateTime CPDFSDK_DateTime::ToGMT() {
   CPDFSDK_DateTime dt = *this;
-  dt.AddSeconds(-_gAfxGetTimeZoneInSeconds(dt.dt.tzHour, dt.dt.tzMinute));
+  dt.AddSeconds(-gAfxGetTimeZoneInSeconds(dt.dt.tzHour, dt.dt.tzMinute));
   dt.dt.tzHour = 0;
   dt.dt.tzMinute = 0;
   return dt;
 }
 
 CPDFSDK_DateTime& CPDFSDK_DateTime::AddDays(short days) {
   if (days == 0)
     return *this;
 
   int16_t y = dt.year, yy;
@@ skipping 561 matching lines @@
 
 CPDF_Page* CPDFSDK_Annot::GetPDFPage() {
   return m_pPageView ? m_pPageView->GetPDFPage() : nullptr;
 }
 
 #ifdef PDF_ENABLE_XFA
 CPDFXFA_Page* CPDFSDK_Annot::GetPDFXFAPage() {
   return m_pPageView ? m_pPageView->GetPDFXFAPage() : nullptr;
 }
 #endif  // PDF_ENABLE_XFA