Index: code/q3_ui/ui_rankings.c
===================================================================
--- code/q3_ui/ui_rankings.c	(revision 1508)
+++ code/q3_ui/ui_rankings.c	(working copy)
@@ -129,7 +129,7 @@
 	for( p = f->field.buffer; *p != '\0'; p++ )
 	{
 		//if( ispunct(*p) || isspace(*p) )
-		if( !( ( (*p) >= '0' && (*p) <= '9') || Q_isalpha(*p)) )
+		if( !( ( (*p) >= '0' && (*p) <= '9') || isalpha(*p)) )
 		{
 			*p = '\0';
 		}
@@ -202,7 +202,7 @@
 	for( p = f->field.buffer; *p != '\0'; p++ )
 	{
 		//if( ispunct(*p) || isspace(*p) )
-		if( !( ( (*p) >= '0' && (*p) <= '9') || Q_isalpha(*p)) )
+		if( !( ( (*p) >= '0' && (*p) <= '9') || isalpha(*p)) )
 		{
 			*p = '\0';
 		}
Index: code/q3_ui/ui_qmenu.c
===================================================================
--- code/q3_ui/ui_qmenu.c	(revision 1508)
+++ code/q3_ui/ui_qmenu.c	(working copy)
@@ -1148,7 +1148,7 @@
 		return (0);
 
 	// force to lower for case insensitive compare
-	if ( Q_isupper( key ) )
+	if ( isupper( key ) )
 	{
 		key -= 'A' - 'a';
 	}
@@ -1158,7 +1158,7 @@
 	{
 		j = (l->curvalue + i) % l->numitems;
 		c = l->itemnames[j][0];
-		if ( Q_isupper( c ) )
+		if ( isupper( c ) )
 		{
 			c -= 'A' - 'a';
 		}
Index: code/q3_ui/ui_mfield.c
===================================================================
--- code/q3_ui/ui_mfield.c	(revision 1508)
+++ code/q3_ui/ui_mfield.c	(working copy)
@@ -419,11 +419,11 @@
 			{
 				keycode &= ~K_CHAR_FLAG;
 
-				if ((m->generic.flags & QMF_UPPERCASE) && Q_islower( keycode ))
+				if ((m->generic.flags & QMF_UPPERCASE) && islower( keycode ))
 					keycode -= 'a' - 'A';
-				else if ((m->generic.flags & QMF_LOWERCASE) && Q_isupper( keycode ))
+				else if ((m->generic.flags & QMF_LOWERCASE) && isupper( keycode ))
 					keycode -= 'A' - 'a';
-				else if ((m->generic.flags & QMF_NUMBERSONLY) && Q_isalpha( keycode ))
+				else if ((m->generic.flags & QMF_NUMBERSONLY) && isalpha( keycode ))
 					return (menu_buzz_sound);
 
 				MField_CharEvent( &m->field, keycode);
Index: code/qcommon/q_shared.c
===================================================================
--- code/qcommon/q_shared.c	(revision 1508)
+++ code/qcommon/q_shared.c	(working copy)
@@ -662,27 +662,6 @@
 	return ( 0 );
 }
 
-int Q_islower( int c )
-{
-	if (c >= 'a' && c <= 'z')
-		return ( 1 );
-	return ( 0 );
-}
-
-int Q_isupper( int c )
-{
-	if (c >= 'A' && c <= 'Z')
-		return ( 1 );
-	return ( 0 );
-}
-
-int Q_isalpha( int c )
-{
-	if ((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z'))
-		return ( 1 );
-	return ( 0 );
-}
-
 char* Q_strrchr( const char* string, int c )
 {
 	char cc = c;
Index: code/qcommon/q_shared.h
===================================================================
--- code/qcommon/q_shared.h	(revision 1508)
+++ code/qcommon/q_shared.h	(working copy)
@@ -684,9 +684,6 @@
 //=============================================
 
 int Q_isprint( int c );
-int Q_islower( int c );
-int Q_isupper( int c );
-int Q_isalpha( int c );
 qboolean Q_isanumber( const char *s );
 qboolean Q_isintegral( float f );