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-rw-r--r--kernel/includes/ctype.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/includes/ctype.h b/kernel/includes/ctype.h
index 4f9a3b3..f6be4f2 100644
--- a/kernel/includes/ctype.h
+++ b/kernel/includes/ctype.h
@@ -1 +1,2 @@
int isdigit(int c);
+int tolower(int c);