diff --git a/fpdfsdk/fpdfannot.cpp b/fpdfsdk/fpdfannot.cpp
index 0c2152a..90927fd 100644
--- a/fpdfsdk/fpdfannot.cpp
+++ b/fpdfsdk/fpdfannot.cpp
@@ -359,7 +359,7 @@
 
 DLLEXPORT unsigned long STDCALL FPDFAnnot_GetText(FPDF_ANNOTATION annot,
                                                   FPDFANNOT_TEXTTYPE type,
-                                                  char* buffer,
+                                                  void* buffer,
                                                   unsigned long buflen) {
   CPDF_Dictionary* pAnnotDict = CPDFDictionaryFromFPDFAnnotation(annot);
   if (!pAnnotDict)
diff --git a/fpdfsdk/fpdfview_c_api_test.c b/fpdfsdk/fpdfview_c_api_test.c
index 5a65fc4..ae69d45 100644
--- a/fpdfsdk/fpdfview_c_api_test.c
+++ b/fpdfsdk/fpdfview_c_api_test.c
@@ -35,12 +35,19 @@
 // Function to call from gtest harness to ensure linker resolution.
 int CheckPDFiumCApi() {
     //fpdf_annot.h
+    CHK(FPDFAnnot_IsSupportedSubtype);
+    CHK(FPDFPage_CreateAnnot);
     CHK(FPDFPage_GetAnnotCount);
     CHK(FPDFPage_GetAnnot);
     CHK(FPDFAnnot_GetSubtype);
+    CHK(FPDFAnnot_SetColor);
     CHK(FPDFAnnot_GetColor);
+    CHK(FPDFAnnot_HasAttachmentPoints);
+    CHK(FPDFAnnot_SetAttachmentPoints);
     CHK(FPDFAnnot_GetAttachmentPoints);
+    CHK(FPDFAnnot_SetRect);
     CHK(FPDFAnnot_GetRect);
+    CHK(FPDFAnnot_SetText);
     CHK(FPDFAnnot_GetText);
 
     // fpdf_dataavail.h
diff --git a/public/fpdf_annot.h b/public/fpdf_annot.h
index 19265d6..adfddec 100644
--- a/public/fpdf_annot.h
+++ b/public/fpdf_annot.h
@@ -209,7 +209,7 @@
 // Returns the length of the contents.
 DLLEXPORT unsigned long STDCALL FPDFAnnot_GetText(FPDF_ANNOTATION annot,
                                                   FPDFANNOT_TEXTTYPE type,
-                                                  char* buffer,
+                                                  void* buffer,
                                                   unsigned long buflen);
 
 #ifdef __cplusplus