Some simple information syncing

includes/string.py

@@ -262,11 +262,30 @@ def atoll(src: str) -> t.CInt64T:
         s += 1
     elif s[0] == '+':
         s += 1
-    for ch in s:
-        if ch < '0' or ch > '9': break
-        d: t.CInt = ch - '0'
-        digit: t.CInt64T = t.CInt64T(d)
-        num = num * 10 + digit
+    # 十六进制前缀 0x / 0X
+    is_hex: t.CInt = 0
+    if s[0] == '0' and (s[1] == 'x' or s[1] == 'X'):
+        is_hex = 1
+        s += 2
+    if is_hex:
+        for ch in s:
+            d: t.CInt = 0
+            if ch >= '0' and ch <= '9':
+                d = ch - '0'
+            elif ch >= 'a' and ch <= 'f':
+                d = ch - 'a' + 10
+            elif ch >= 'A' and ch <= 'F':
+                d = ch - 'A' + 10
+            else:
+                break
+            digit: t.CInt64T = t.CInt64T(d)
+            num = num * 16 + digit
+    else:
+        for ch in s:
+            if ch < '0' or ch > '9': break
+            d: t.CInt = ch - '0'
+            digit: t.CInt64T = t.CInt64T(d)
+            num = num * 10 + digit
     return num * sign