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-rw-r--r--string/string.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/string/string.h b/string/string.h
index 755c631048..a5a6edd398 100644
--- a/string/string.h
+++ b/string/string.h
@@ -185,6 +185,8 @@ extern int __strcasecmp __P ((__const char *__s1, __const char *__s2));
 extern int strcasecmp __P ((__const char *__s1, __const char *__s2));
 
 /* Compare no more than N chars of S1 and S2, ignoring case.  */
+extern int __strncasecmp __P ((__const char *__s1, __const char *__s2,
+			       size_t __n));
 extern int strncasecmp __P ((__const char *__s1, __const char *__s2,
 			     size_t __n));