diff --git a/icu4c/source/common/unames.c b/icu4c/source/common/unames.c
index bac76ee950f..ad84575ac8c 100644
--- a/icu4c/source/common/unames.c
+++ b/icu4c/source/common/unames.c
@@ -127,7 +127,7 @@ enumAlgNames(AlgorithmicRange *range,
 static UChar32
 findAlgName(AlgorithmicRange *range, UCharNameChoice nameChoice, const char *otherName);
 
-static UBool
+U_CFUNC UBool
 findNameDummy(void *context,
               UChar32 code, UCharNameChoice nameChoice,
               const char *name, UTextOffset length);
@@ -1158,7 +1158,7 @@ findAlgName(AlgorithmicRange *range, UCharNameChoice nameChoice, const char *oth
 }
 
 /* this is a dummy function that is used as a "find not enumerate" flag */
-static UBool
+U_CFUNC UBool
 findNameDummy(void *context,
               UChar32 code, UCharNameChoice nameChoice,
               const char *name, UTextOffset length) {
diff --git a/icu4c/source/common/ustring.c b/icu4c/source/common/ustring.c
index 6ca59026a94..9ddbd0711e7 100644
--- a/icu4c/source/common/ustring.c
+++ b/icu4c/source/common/ustring.c
@@ -501,7 +501,7 @@ u_strCaseMap(UChar *dest, int32_t destCapacity,
             temp=buffer;
         } else {
             /* allocate a buffer */
-            temp=uprv_malloc(destCapacity*U_SIZEOF_UCHAR);
+            temp=(UChar *)uprv_malloc(destCapacity*U_SIZEOF_UCHAR);
             if(temp==NULL) {
                 *pErrorCode=U_MEMORY_ALLOCATION_ERROR;
                 return 0;