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-rw-r--r--include/string.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/string.h b/include/string.h
index c31b4292..cddcbeb9 100644
--- a/include/string.h
+++ b/include/string.h
@@ -54,4 +54,6 @@ extern size_t strlen (const char *s) __attribute__ ((pure));
extern char *strstr(const char *haystack, const char *needle);
+extern int ffs(int i);
+
#endif /* _MACH_SA_SYS_STRING_H_ */