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-rw-r--r--libc/signal/sigset-cvt-mask.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/libc/signal/sigset-cvt-mask.h b/libc/signal/sigset-cvt-mask.h
index 76dd01c7e..d4c2dc7ca 100644
--- a/libc/signal/sigset-cvt-mask.h
+++ b/libc/signal/sigset-cvt-mask.h
@@ -19,6 +19,8 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
+#include <string.h>
+
static __inline__ void __attribute__ ((unused))
sigset_set_old_mask (sigset_t *set, int mask)
{