Better axl_strchr + handle finding '\0'

axl_string.c

@@ -129,16 +129,13 @@ const i8* axl_strchr(const i8* str, i8 c)
         return NULL;
     }
     
-    u32 i = 0;
-
-    while(str[i] != '\0')
+    for(; *str != '\0'; ++str) 
     {
-        if(str[i] == c)
+        if(*str == c) 
         {
-            return str + i;
+            return str;
         }
-        i++;
     }
     
-    return NULL;
+    return (c == '\0') ? str : NULL;
 }