--- zend_operators.c	2005-09-12 14:48:56.000000000 +0300
+++ /home/sezai/zend_operators.c	2005-12-07 15:53:57.000000000 +0200
@@ -33,6 +33,45 @@
 
 #define LONG_SIGN_MASK (1L << (8*sizeof(long)-1))
 
+int tolower_english(int c) {
+	static int ascii_tolower_table[256] = {
+		  0,   1,   2,   3,   4,   5,   6,   7,
+		  8,   9,  10,  11,  12,  13,  14,  15,
+		 16,  17,  18,  19,  20,  21,  22,  23,
+		 24,  25,  26,  27,  28,  29,  30,  31,
+		 32,  33,  34,  35,  36,  37,  38,  39,
+		 40,  41,  42,  43,  44,  45,  46,  47,
+		 48,  49,  50,  51,  52,  53,  54,  55,
+		 56,  57,  58,  59,  60,  61,  62,  63,
+		 64,  97,  98,  99, 100, 101, 102, 103,
+		104, 105, 106, 107, 108, 109, 110, 111,
+		112, 113, 114, 115, 116, 117, 118, 119,
+		120, 121, 122,  91,  92,  93,  94,  95,
+		 96,  97,  98,  99, 100, 101, 102, 103,
+		104, 105, 106, 107, 108, 109, 110, 111,
+		112, 113, 114, 115, 116, 117, 118, 119,
+		120, 121, 122, 123, 124, 125, 126, 127,
+		128, 129, 130, 131, 132, 133, 134, 135,
+		136, 137, 138, 139, 140, 141, 142, 143,
+		144, 145, 146, 147, 148, 149, 150, 151,
+		152, 153, 154, 155, 156, 157, 158, 159,
+		160, 161, 162, 163, 164, 165, 166, 167,
+		168, 169, 170, 171, 172, 173, 174, 175,
+		176, 177, 178, 179, 180, 181, 182, 183,
+		184, 185, 186, 187, 188, 189, 190, 191,
+		192, 193, 194, 195, 196, 197, 198, 199,
+		200, 201, 202, 203, 204, 205, 206, 207,
+		208, 209, 210, 211, 212, 213, 214, 215,
+		216, 217, 218, 219, 220, 221, 222, 223,
+		224, 225, 226, 227, 228, 229, 230, 231,
+		232, 233, 234, 235, 236, 237, 238, 239,
+		240, 241, 242, 243, 244, 245, 246, 247,
+		248, 249, 250, 251, 252, 253, 254, 255
+	};
+
+	return ascii_tolower_table[c];
+}
+
 ZEND_API int zend_atoi(const char *str, int str_len)
 {
 	int retval;
@@ -1781,7 +1820,7 @@
 	register unsigned char *end = str + length;
 
 	while (str < end) {
-		*result++ = tolower((int)*str++);
+		*result++ = tolower_english((int)*str++);
 	}
 	*result = *end;
 
@@ -1794,7 +1833,7 @@
 	register unsigned char *end = p + length;
 
 	while (p < end) {
-		*p = tolower((int)*p);
+		*p = tolower_english((int)*p);
 		p++;
 	}
 }
@@ -1832,8 +1871,8 @@
 	len = MIN(len1, len2);
 
 	while (len--) {
-		c1 = tolower((int)*(unsigned char *)s1++);
-		c2 = tolower((int)*(unsigned char *)s2++);
+		c1 = tolower_english((int)*(unsigned char *)s1++);
+		c2 = tolower_english((int)*(unsigned char *)s2++);
 		if (c1 != c2) {
 			return c1 - c2;
 		}
@@ -1851,8 +1890,8 @@
 	len = MIN(length, MIN(len1, len2));
 
 	while (len--) {
-		c1 = tolower((int)*(unsigned char *)s1++);
-		c2 = tolower((int)*(unsigned char *)s2++);
+		c1 = tolower_english((int)*(unsigned char *)s1++);
+		c2 = tolower_english((int)*(unsigned char *)s2++);
 		if (c1 != c2) {
 			return c1 - c2;
 		}