Import backup from 2004-08-20

kernel/lang/conv.c

@@ -81,3 +81,13 @@ int	utoa(u32_t num, char *buf)
 }
 
 
+char	asciiSwitchCase(char chr)
+{
+	if (chr >= 'A' && chr <= 'Z')
+		return chr + ('a' - 'A');
+	if (chr >= 'a' && chr <= 'z')
+		return chr - ('a' - 'A');
+	return chr;
+}
+
+

kernel/lang/conv.h

@@ -12,5 +12,7 @@ int	itox(u32_t num, char *buf);
 int	itoa(int num, char *buf);
 int	utoa(u32_t num, char *buf);
 
+char	asciiSwitchCase(char chr);
+
 #endif