diff --git a/c-api-examples/asr-microphone-example/c-api-alsa.cc b/c-api-examples/asr-microphone-example/c-api-alsa.cc
index 8326462b..e5d9f434 100644
--- a/c-api-examples/asr-microphone-example/c-api-alsa.cc
+++ b/c-api-examples/asr-microphone-example/c-api-alsa.cc
@@ -19,59 +19,62 @@
 #include "sherpa-onnx/c-api/c-api.h"
 
 static struct cag_option options[] = {
-    {.identifier = 'h',
-     .access_letters = "h",
-     .access_name = "help",
-     .description = "Show help"},
-    {.identifier = 't',
-     .access_letters = NULL,
-     .access_name = "tokens",
-     .value_name = "tokens",
-     .description = "Tokens file"},
-    {.identifier = 'e',
-     .access_letters = NULL,
-     .access_name = "encoder",
-     .value_name = "encoder",
-     .description = "Encoder ONNX file"},
-    {.identifier = 'd',
-     .access_letters = NULL,
-     .access_name = "decoder",
-     .value_name = "decoder",
-     .description = "Decoder ONNX file"},
-    {.identifier = 'j',
-     .access_letters = NULL,
-     .access_name = "joiner",
-     .value_name = "joiner",
-     .description = "Joiner ONNX file"},
-    {.identifier = 'n',
-     .access_letters = NULL,
-     .access_name = "num-threads",
-     .value_name = "num-threads",
-     .description = "Number of threads"},
-    {.identifier = 'p',
-     .access_letters = NULL,
-     .access_name = "provider",
-     .value_name = "provider",
-     .description = "Provider: cpu (default), cuda, coreml"},
-    {.identifier = 'm',
-     .access_letters = NULL,
-     .access_name = "decoding-method",
-     .value_name = "decoding-method",
-     .description =
-         "Decoding method: greedy_search (default), modified_beam_search"},
-    {.identifier = 'f',
-     .access_letters = NULL,
-     .access_name = "hotwords-file",
-     .value_name = "hotwords-file",
-     .description = "The file containing hotwords, one words/phrases per line, "
-                    "and for each phrase the bpe/cjkchar are separated by a "
-                    "space. For example: ▁HE LL O ▁WORLD, 你 好 世 界"},
-    {.identifier = 's',
-     .access_letters = NULL,
-     .access_name = "hotwords-score",
-     .value_name = "hotwords-score",
-     .description = "The bonus score for each token in hotwords. Used only "
-                    "when decoding_method is modified_beam_search"},
+    {/*.identifier =*/'h',
+     /*.access_letters =*/"h",
+     /*.access_name =*/"help",
+     /*.value_name =*/"help",
+     /*.description =*/"Show help"},
+    {/*.identifier =*/'t',
+     /*.access_letters =*/NULL,
+     /*.access_name =*/"tokens",
+     /*.value_name =*/"tokens",
+     /*.description =*/"Tokens file"},
+    {/*.identifier =*/'e',
+     /*.access_letters =*/NULL,
+     /*.access_name =*/"encoder",
+     /*.value_name =*/"encoder",
+     /*.description =*/"Encoder ONNX file"},
+    {/*.identifier =*/'d',
+     /*.access_letters =*/NULL,
+     /*.access_name =*/"decoder",
+     /*.value_name =*/"decoder",
+     /*.description =*/"Decoder ONNX file"},
+    {/*.identifier =*/'j',
+     /*.access_letters =*/NULL,
+     /*.access_name =*/"joiner",
+     /*.value_name =*/"joiner",
+     /*.description =*/"Joiner ONNX file"},
+    {/*.identifier =*/'n',
+     /*.access_letters =*/NULL,
+     /*.access_name =*/"num-threads",
+     /*.value_name =*/"num-threads",
+     /*.description =*/"Number of threads"},
+    {/*.identifier =*/'p',
+     /*.access_letters =*/NULL,
+     /*.access_name =*/"provider",
+     /*.value_name =*/"provider",
+     /*.description =*/"Provider: cpu (default), cuda, coreml"},
+    {/*.identifier =*/'m',
+     /*.access_letters =*/NULL,
+     /*.access_name =*/"decoding-method",
+     /*.value_name =*/"decoding-method",
+     /*.description =*/
+     "Decoding method: greedy_search (default), modified_beam_search"},
+    {/*.identifier =*/'f',
+     /*.access_letters =*/NULL,
+     /*.access_name =*/"hotwords-file",
+     /*.value_name =*/"hotwords-file",
+     /*.description =*/
+     "The file containing hotwords, one words/phrases per line, and for each "
+     "phrase the bpe/cjkchar are separated by a space. For example: ▁HE LL O "
+     "▁WORLD, 你 好 世 界"},
+    {/*.identifier =*/'s',
+     /*.access_letters =*/NULL,
+     /*.access_name =*/"hotwords-score",
+     /*.value_name =*/"hotwords-score",
+     /*.description =*/
+     "The bonus score for each token in hotwords. Used only when "
+     "decoding_method is modified_beam_search"},
 };
 
 const char *kUsage =