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-rw-r--r--include/strings.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/strings.h b/include/strings.h
index 4d7d69c3..db0960b4 100644
--- a/include/strings.h
+++ b/include/strings.h
@@ -22,6 +22,8 @@ char *rindex (const char *, int);
 
 #if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE)  || defined(_BSD_SOURCE)
 int ffs (int);
+int ffsl (long);
+int ffsll (long long);
 #endif
 
 int strcasecmp (const char *, const char *);