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-rw-r--r--msort.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/msort.c b/msort.c
index 28b0fbc..0a1848d 100644
--- a/msort.c
+++ b/msort.c
@@ -5,6 +5,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <strings.h>
 #include <time.h>
 #include <unistd.h>