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Diffstat (limited to 'src/nonstd/getc_unlocked.c')
-rw-r--r--src/nonstd/getc_unlocked.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/nonstd/getc_unlocked.c b/src/nonstd/getc_unlocked.c
index a575e60a..fb700587 100644
--- a/src/nonstd/getc_unlocked.c
+++ b/src/nonstd/getc_unlocked.c
@@ -1,5 +1,5 @@
#include <nonstd/io.h>
#if !(defined _POSIX_C_SOURCE && 199506L <= _POSIX_C_SOURCE) && !(defined _XOPEN_SOURCE && 500 <= _XOPEN_SOURCE)
-#define getc_unlocked(f) getc(f)
+#define getc_unlocked(__f) getc(__f)
#endif