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-rw-r--r--src/cmd/look.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/cmd/look.c b/src/cmd/look.c
index 5b300868..b1d098b4 100644
--- a/src/cmd/look.c
+++ b/src/cmd/look.c
@@ -3,6 +3,13 @@
#include <bio.h>
/* Macros for Rune support of ctype.h-like functions */
+#undef isupper
+#undef islower
+#undef isalpha
+#undef isdigit
+#undef isalnum
+#undef isspace
+#undef tolower
#define isupper(r) (L'A' <= (r) && (r) <= L'Z')
#define islower(r) (L'a' <= (r) && (r) <= L'z')
#define isalpha(r) (isupper(r) || islower(r))