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-rw-r--r--usr/src/head/ctype.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/usr/src/head/ctype.h b/usr/src/head/ctype.h
index 47e0d8894f..3e2d1fbbab 100644
--- a/usr/src/head/ctype.h
+++ b/usr/src/head/ctype.h
@@ -107,6 +107,8 @@ extern int ispunct_l(int, locale_t);
extern int isspace_l(int, locale_t);
extern int isupper_l(int, locale_t);
extern int isxdigit_l(int, locale_t);
+extern int tolower_l(int, locale_t);
+extern int toupper_l(int, locale_t);
#endif /* defined(_XPG7) || !defined(_STRICT_SYMBOLS) */