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-rw-r--r--libc/sysdeps/linux/common/bits/uClibc_ctype.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/libc/sysdeps/linux/common/bits/uClibc_ctype.h b/libc/sysdeps/linux/common/bits/uClibc_ctype.h
index 22d2df03a..3bf4e1b28 100644
--- a/libc/sysdeps/linux/common/bits/uClibc_ctype.h
+++ b/libc/sysdeps/linux/common/bits/uClibc_ctype.h
@@ -103,7 +103,7 @@ __BEGIN_DECLS
/* Now some non-ansi/iso c99 macros. */
-#ifndef __UCLIBC_SUSV4_LEGACY__
+#ifdef __UCLIBC_SUSV4_LEGACY__
#define __isascii(c) (((c) & ~0x7f) == 0)
#define __toascii(c) ((c) & 0x7f)
/* Works correctly *only* on lowercase letters! */