diff --git a/sys/living/skill_attributes.h b/sys/living/skill_attributes.h
new file mode 100644
index 0000000..939ca15
--- /dev/null
+++ b/sys/living/skill_attributes.h
@@ -0,0 +1,100 @@
+// MorgenGrauen MUDlib
+//
+// FileName.c -- Beschreibung
+//
+// $Id$
+
+#ifndef __SKILL_ATTRIBUTES_H__
+#define __SKILL_ATTRIBUTES_H__
+
+// ===== Properties fuer Skill-Attribute: =====
+
+#define P_SKILL_ATTRIBUTES          "skill_attr"
+#define P_SKILL_ATTRIBUTE_OFFSETS   "skill_attr_offsets"
+
+// ===== Skill Attribute: =====  
+// Allgemeine Qualitaet
+#define SA_QUALITY                  "sa_qual"
+  
+// Schaden
+#define SA_DAMAGE                   "sa_dam"
+  
+// Geschwindigkeit
+#define SA_SPEED                    "sa_speed"
+
+// Dauer
+#define SA_DURATION                 "sa_dur"
+
+// Ausdehnung
+#define SA_EXTENSION                "sa_ext"
+
+// Reichweite
+#define SA_RANGE                    "sa_range"
+
+// Je hoeher, desto groesser die Chance, dass nen vom Lebewesen gecasteter
+// Spell durch das gegnerische P_NOMAGIC durchschlaegt.
+// (SA_ENEMY_SAVE obsolet!)
+#define SA_ENEMY_SAVE               "sa_save"
+#define SA_SPELL_PENETRATION        "sa_save"
+
+// welche Skill-Attribute gibt es?
+#define VALID_SKILL_ATTRIBUTES ({ SA_QUALITY, SA_DAMAGE, SA_SPEED,\
+                                  SA_DURATION, SA_EXTENSION, SA_RANGE,\
+                                  SA_ENEMY_SAVE })
+
+// Indizes fuer die Verwaltung der Skill-Attribute
+#define SAM_CACHE              0
+#define SAM_STATIC             1
+#define SAM_DYNAMIC            2
+
+#define SAM_SUM                0
+#define SAM_CACHE_TIMEOUT      1
+#define SAM_COUNT              2
+
+#define SAM_DURATION           0
+#define SAM_VALUE              1
+
+
+// einige Konstanten
+#define SAM_MAX_MODS           5
+#define SAM_MAX_CACHE_TIMEOUT  60
+
+// rueckgabewerte der Verwaltungsfunktionen:
+#define SA_MOD_OK              1
+#define SA_MOD_REMOVED         1
+#define SA_TOO_MANY_MODS       -1
+#define SA_MOD_TOO_SMALL       -2
+#define SA_MOD_TOO_BIG         -3
+#define SA_MOD_INVALID_ATTR    -4
+#define SA_MOD_INVALID_OBJECT  -5
+#define SA_MOD_NOT_FOUND       -6
+#define SA_MOD_INVALID_VALUE   -7
+
+// Statistik?
+#define SASTATD "/p/daemon/sastatd"
+
+#endif // __SKILL_ATTRIBUTES_H__
+
+
+#ifdef NEED_PROTOTYPES
+
+#ifndef __SKILL_ATTRIBUTES_H_PROTO__
+#define __SKILL_ATTRIBUTES_H_PROTO__
+
+// prototypes
+
+public int    ModifySkillAttribute(string atrname, mixed value,
+                                    int duration);
+public int    RemoveSkillAttributeModifier(object caster, string attrname);
+public int    QuerySkillAttribute(string attr);
+public varargs mapping QuerySkillAttributeModifier(object caster,
+                           string *attr);
+
+// Kompatibilitaetsfunktion mit altem Interface.
+public int    ModifySkillAttributeOld(object caster, string atrname, int value,
+                          int duration, mixed fun);
+
+#endif // __SKILL_ATTRIBUTES_H_PROTO__
+
+#endif // NEED_PROTOYPES
+