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-rw-r--r--libc/stdio/putwchar.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/libc/stdio/putwchar.c b/libc/stdio/putwchar.c
index e25f35e5e..7a6501c28 100644
--- a/libc/stdio/putwchar.c
+++ b/libc/stdio/putwchar.c
@@ -22,6 +22,7 @@ strong_alias(putwchar_unlocked,putwchar)
#elif defined __UCLIBC_HAS_THREADS__
+libc_hidden_proto(__fputc_unlocked)
/* psm: should this be fputwc? */
libc_hidden_proto(fputc)