gustavonihei commented on code in PR #10110:
URL: https://github.com/apache/nuttx/pull/10110#discussion_r1286508225


##########
arch/risc-v/src/esp32c3/esp32c3_libc_stubs.c:
##########
@@ -59,12 +60,12 @@ struct _reent;
 
 int _close_r(struct _reent *r, int fd)
 {
-  return close(fd);
+  return nx_close(fd);

Review Comment:
   I am not sure about this change. These stubs are called by the newlib 
implementation located in the chip's internal ROM. In FLAT build these newlib 
functions may be called by userspace code, e.g. wireless protocol 
implementation.
   @tmedicci 



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