ICU-20121 Changing C API method name to ulistfmt_formatStringsToResult.
diff --git a/icu4c/source/i18n/ulistformatter.cpp b/icu4c/source/i18n/ulistformatter.cpp
index e011422..f7ad675 100644
--- a/icu4c/source/i18n/ulistformatter.cpp
+++ b/icu4c/source/i18n/ulistformatter.cpp
@@ -119,7 +119,7 @@
 
 
 U_CAPI void U_EXPORT2
-ulistfmt_formatStringsToValue(
+ulistfmt_formatStringsToResult(
                 const UListFormatter* listfmt,
                 const UChar* const strings[],
                 const int32_t *    stringLengths,
diff --git a/icu4c/source/i18n/unicode/ulistformatter.h b/icu4c/source/i18n/unicode/ulistformatter.h
index 1321ee1..695eab7 100644
--- a/icu4c/source/i18n/unicode/ulistformatter.h
+++ b/icu4c/source/i18n/unicode/ulistformatter.h
@@ -228,7 +228,7 @@
  *            Error code set if an error occurred during formatting.
  */
 U_CAPI void U_EXPORT2
-ulistfmt_formatStringsToValue(
+ulistfmt_formatStringsToResult(
                 const UListFormatter* listfmt,
                 const UChar* const strings[],
                 const int32_t *    stringLengths,
diff --git a/icu4c/source/test/cintltst/ulistfmttest.c b/icu4c/source/test/cintltst/ulistfmttest.c
index e2e5a80..b89f1b3 100644
--- a/icu4c/source/test/cintltst/ulistfmttest.c
+++ b/icu4c/source/test/cintltst/ulistfmttest.c
@@ -143,7 +143,7 @@
             u"wonderful",
             u"world"
         };
-        ulistfmt_formatStringsToValue(fmt, inputs, NULL, UPRV_LENGTHOF(inputs), fl, &ec);
+        ulistfmt_formatStringsToResult(fmt, inputs, NULL, UPRV_LENGTHOF(inputs), fl, &ec);
         assertSuccess("Formatting", &ec);
         static const UFieldPositionWithCategory expectedFieldPositions[] = {
             // field, begin index, end index
@@ -171,7 +171,7 @@
             u"F",
             u"G"
         };
-        ulistfmt_formatStringsToValue(fmt, inputs, NULL, UPRV_LENGTHOF(inputs), fl, &ec);
+        ulistfmt_formatStringsToResult(fmt, inputs, NULL, UPRV_LENGTHOF(inputs), fl, &ec);
         assertSuccess("Formatting", &ec);
         static const UFieldPositionWithCategory expectedFieldPositions[] = {
             // field, begin index, end index