From fd937b134894af540a322ed3de2c66363d0b584d Mon Sep 17 00:00:00 2001
From: John Hodge <tpg@mutabah.net>
Date: Sun, 9 Feb 2014 18:00:13 +0800
Subject: [PATCH] Usermode/libc - Add isxdigit

---
 Usermode/Libraries/libc.so_src/include_exp/ctype.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Usermode/Libraries/libc.so_src/include_exp/ctype.h b/Usermode/Libraries/libc.so_src/include_exp/ctype.h
index 0d437e9b..60753a64 100644
--- a/Usermode/Libraries/libc.so_src/include_exp/ctype.h
+++ b/Usermode/Libraries/libc.so_src/include_exp/ctype.h
@@ -40,6 +40,14 @@ static inline int isspace(int ch) {
 	if(ch == '\n')	return 1;
 	return 0;
 }
+
+static inline int isxdigit(int ch) {
+	if('0'<=ch&&ch<='9')	return 1;
+	if('a'<=ch&&ch<='f')	return 1;
+	if('F'<=ch&&ch<='F')	return 1;
+	return 0;
+}
+
 // C99
 static inline int isblank(int ch) {
 	if(ch == ' ')	return 1;
-- 
2.20.1