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-rw-r--r--include/limits.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/limits.h b/include/limits.h
index ab163a22..02c2139d 100644
--- a/include/limits.h
+++ b/include/limits.h
@@ -9,7 +9,7 @@
/* Support signed or unsigned plain-char */
-#if '\0'-1 > 0
+#if '\xff' > 0
#define CHAR_MIN 0
#define CHAR_MAX 255
#else