diff --git a/plugins/memory.c b/plugins/memory.c
index 33eef0cf9..1dd0fbf93 100644
--- a/plugins/memory.c
+++ b/plugins/memory.c
@@ -31,7 +31,7 @@ void *malloc(int size)
 	if (size <= 0)
 		return NULL;
 
-	size = ((size+4) & 3) + sizeof(struct memhead_s);	//round up
+	size = ((size+4) & ~3) + sizeof(struct memhead_s);	//round up
 	if (!head)
 	{	//first call
 		struct memhead_s *last;
@@ -63,9 +63,9 @@ void *malloc(int size)
 		if (head->isfree)
 			if (head->size >= size)
 			{
+				struct memhead_s *split;
 				if (head->size > size + sizeof(struct memhead_s)+1)
 				{	//split
-					struct memhead_s *split;
 					split = (struct memhead_s*)((char*)head + size);
 					split->size = head->size - size;
 					head->size = size;
@@ -80,12 +80,15 @@ void *malloc(int size)
 				{	//no point in splitting
 					head->isfree = false;
 				}
-
-				return (char*)head + sizeof(struct memhead_s);
+				split = head;
+				head = head->next;
+				return (char*)split + sizeof(struct memhead_s);
 			}
 		head = head->next;
 	} while (lasthead != head);
 
+	Sys_Errorf("VM Out of memory on allocation of %i bytes\n", size);
+
 	return NULL;
 }
 
@@ -117,4 +120,6 @@ void free(void *mem)
 	{	//merge next with this
 		block = mergeblock(block, block->next);
 	}
+
+	head = (struct memhead_s*)memory;
 }
diff --git a/plugins/plugin.c b/plugins/plugin.c
index 00dd50e87..651280765 100644
--- a/plugins/plugin.c
+++ b/plugins/plugin.c
@@ -60,43 +60,43 @@ BUILTIN(void, Con_RenameSub, (char *old, char *new));	//on to named sub console
 BUILTIN(void, Sys_Error, (char *message));	//abort the entire engine.
 #undef ARGNAMES
 #define ARGNAMES 
-BUILTINR(unsigned int, Sys_Milliseconds, (void));	//abort the entire engine.
+BUILTINR(unsigned int, Sys_Milliseconds, (void));	//get the time the engine has been running.
 #undef ARGNAMES
 
 #define ARGNAMES ,buffer
-BUILTIN(void, Cmd_AddCommand, (char *buffer));	//abort the entire engine.
+BUILTIN(void, Cmd_AddCommand, (char *buffer));	//register a command.
 #undef ARGNAMES
 #define ARGNAMES ,buffer,bufsize
-BUILTIN(void, Cmd_Args, (char *buffer, int bufsize));	//abort the entire engine.
+BUILTIN(void, Cmd_Args, (char *buffer, int bufsize));	//retrieve some arguments.
 #undef ARGNAMES
 #define ARGNAMES ,argnum,buffer,bufsize
-BUILTIN(void, Cmd_Argv, (int argnum, char *buffer, int bufsize));	//abort the entire engine.
+BUILTIN(void, Cmd_Argv, (int argnum, char *buffer, int bufsize));	//retrieve a single argument at a time.
 #undef ARGNAMES
 #define ARGNAMES
-BUILTINR(int, Cmd_Argc, (void));	//abort the entire engine.
+BUILTINR(int, Cmd_Argc, (void));	//get the argument count.
 #undef ARGNAMES
 #define ARGNAMES ,msg
-BUILTIN(void, Cmd_TokenizeString, (char *msg));	//abort the entire engine.
+BUILTIN(void, Cmd_TokenizeString, (char *msg));	//tokenize a string.
 #undef ARGNAMES
 
 #define ARGNAMES ,text,insert
-BUILTIN(void, Cmd_AddText, (char *text, qboolean insert));	//abort the entire engine.
+BUILTIN(void, Cmd_AddText, (char *text, qboolean insert));	//add stuff to the console input.
 #undef ARGNAMES
 
 #define ARGNAMES ,name,value
-BUILTIN(void, Cvar_SetString, (char *name, char *value));
+BUILTIN(void, Cvar_SetString, (char *name, char *value));	//set a cvar string
 #undef ARGNAMES
-#define ARGNAMES ,name,value
-BUILTIN(void, Cvar_SetFloat, (char *name, float value));
+#define ARGNAMES ,name,PASSFLOAT(value)
+BUILTIN(void, Cvar_SetFloat, (char *name, float value));	//set a cvar float
 #undef ARGNAMES
 #define ARGNAMES ,name,retstring,sizeofretstring
-BUILTINR(qboolean, Cvar_GetString, (char *name, char *retstring, int sizeofretstring));
+BUILTINR(qboolean, Cvar_GetString, (char *name, char *retstring, int sizeofretstring));	//retrieve a cvar string
 #undef ARGNAMES
 #define ARGNAMES ,name
-BUILTINR(float, Cvar_GetFloat, (char *name));
+BUILTINR(float, Cvar_GetFloat, (char *name));			//get a cvar's value
 #undef ARGNAMES
 #define ARGNAMES ,name,defaultval,flags,grouphint
-BUILTINR(qhandle_t,	Cvar_Register, (char *name, char *defaultval, int flags, char *grouphint));
+BUILTINR(qhandle_t,	Cvar_Register, (char *name, char *defaultval, int flags, char *grouphint));	//register a new cvar
 #undef ARGNAMES
 #define ARGNAMES ,handle,modificationcount,stringv,floatv
 BUILTINR(int, Cvar_Update, (qhandle_t handle, int *modificationcount, char *stringv, float *floatv));	//stringv is 256 chars long, don't expect this function to do anything if modification count is unchanged.
@@ -149,36 +149,36 @@ BUILTINR(int, Key_GetKeyCode, (char *keyname));
 #undef ARGNAMES
 
 #define ARGNAMES ,name,handle,mode
-BUILTINR(int, FS_Open, (char *name, int *handle, int mode));
+BUILTINR(int, FS_Open, (char *name, qhandle_t *handle, int mode));
 #undef ARGNAMES
 #define ARGNAMES ,handle
-BUILTIN(void, FS_Close, (int handle));
+BUILTIN(void, FS_Close, (qhandle_t handle));
 #undef ARGNAMES
 #define ARGNAMES ,handle,data,len
-BUILTIN(void, FS_Write, (int handle, void *data, int len));
+BUILTINR(int, FS_Write, (qhandle_t handle, void *data, int len));
 #undef ARGNAMES
 #define ARGNAMES ,handle,data,len
-BUILTIN(void, FS_Read, (int handle, void *data, int len));
+BUILTINR(int, FS_Read, (qhandle_t handle, void *data, int len));
 #undef ARGNAMES
 
 
 #define ARGNAMES ,ip,port
-BUILTINR(int, Net_TCPConnect, (char *ip, int port));
+BUILTINR(qhandle_t, Net_TCPConnect, (char *ip, int port));
 #undef ARGNAMES
 #define ARGNAMES ,ip,port,maxcount
-BUILTINR(int, Net_TCPListen, (char *ip, int port, int maxcount));
+BUILTINR(qhandle_t, Net_TCPListen, (char *ip, int port, int maxcount));
 #undef ARGNAMES
 #define ARGNAMES ,socket,address,addresslen
-BUILTINR(int, Net_Accept, (int socket, char *address, int addresslen));
+BUILTINR(qhandle_t, Net_Accept, (qhandle_t socket, char *address, int addresslen));
 #undef ARGNAMES
 #define ARGNAMES ,socket,buffer,len
-BUILTINR(int, Net_Recv, (int socket, void *buffer, int len));
+BUILTINR(int, Net_Recv, (qhandle_t socket, void *buffer, int len));
 #undef ARGNAMES
 #define ARGNAMES ,socket,buffer,len
-BUILTINR(int, Net_Send, (int socket, void *buffer, int len));
+BUILTINR(int, Net_Send, (qhandle_t socket, void *buffer, int len));
 #undef ARGNAMES
 #define ARGNAMES ,socket
-BUILTIN(void, Net_Close, (int socket));
+BUILTIN(void, Net_Close, (qhandle_t socket));
 #undef ARGNAMES
 
 #ifdef Q3_VM
@@ -191,6 +191,9 @@ BUILTIN(void, memset, (void *out, int in, int len));
 #define ARGNAMES ,out,in,len
 BUILTIN(void, memmove, (void *out, void *in, int len));
 #undef ARGNAMES
+#define ARGNAMES ,PASSFLOAT(f)
+BUILTINR(float, sqrt, (float f));
+#undef ARGNAMES
 #endif
 
 char	*va(char *format, ...)	//Identical in function to the one in Quake, though I can assure you that I wrote it...
@@ -245,6 +248,7 @@ void Plug_InitStandardBuiltins(void)
 	CHECKBUILTIN(memcpy);
 	CHECKBUILTIN(memmove);
 	CHECKBUILTIN(memset);
+	CHECKBUILTIN(sqrt);
 #endif
 
 	CHECKBUILTIN(Sys_Milliseconds);
diff --git a/plugins/plugin.h b/plugins/plugin.h
index f96defe45..99ff0a8f7 100644
--- a/plugins/plugin.h
+++ b/plugins/plugin.h
@@ -38,19 +38,24 @@ char *strchr(char *str, char sub);
 float atof(char *str);
 int atoi(char *str);
 
+#define strcasecmp stricmp
+
 void BadBuiltin(void);
 
 #else
 
+#define strcasecmp stricmp
+
 #include <string.h>
 #include <stdlib.h>
 #include <stdarg.h>
+#include "math.h"
 //DLLs need a wrapper to add the extra parameter and call a boring function.
 #define EBUILTIN(t, n, args) extern int BUILTIN_##n; t n args
 #define TEST
 #ifdef TEST
-	#define BUILTINR(t, n, args) int BUILTIN_##n; t n args {if (!BUILTINISVALID(n))Sys_Error("Builtin %s is not valid\n", #n);return (t)plugin_syscall(BUILTIN_##n ARGNAMES);}
-	#define BUILTIN(t, n, args) int BUILTIN_##n; t n args {if (!BUILTINISVALID(n))Sys_Error("Builtin %s is not valid\n", #n);plugin_syscall(BUILTIN_##n ARGNAMES);}
+	#define BUILTINR(t, n, args) int BUILTIN_##n; t n args {if (!BUILTINISVALID(n))Sys_Error("Builtin "#n" is not valid\n");return (t)plugin_syscall(BUILTIN_##n ARGNAMES);}
+	#define BUILTIN(t, n, args) int BUILTIN_##n; t n args {if (!BUILTINISVALID(n))Sys_Error("Builtin "#n" is not valid\n");plugin_syscall(BUILTIN_##n ARGNAMES);}
 #else
 	#define BUILTINR(t, n, args) int BUILTIN_##n; t n args {return (t)plugin_syscall(BUILTIN_##n ARGNAMES);}
 	#define BUILTIN(t, n, args) int BUILTIN_##n; t n args {plugin_syscall(BUILTIN_##n ARGNAMES);}
@@ -118,17 +123,17 @@ EBUILTIN(void, Draw_Colour3f, (float r, float g, float b));
 EBUILTIN(void, Draw_Colour4f, (float r, float g, float b, float a));
 EBUILTIN(void, SCR_CenterPrint, (char *s));
 
-EBUILTIN(int, FS_Open, (char *name, int *handle, int mode));
-EBUILTIN(void, FS_Close, (int handle));
-EBUILTIN(void, FS_Write, (int handle, void *data, int len));
-EBUILTIN(void, FS_Read, (int handle, void *data, int len));
+EBUILTIN(int, FS_Open, (char *name, qhandle_t *handle, int mode));
+EBUILTIN(void, FS_Close, (qhandle_t handle));
+EBUILTIN(int, FS_Write, (qhandle_t handle, void *data, int len));
+EBUILTIN(int, FS_Read, (qhandle_t handle, void *data, int len));
 
-EBUILTIN(int, Net_TCPConnect, (char *ip, int port));
-EBUILTIN(int, Net_TCPListen, (char *ip, int port, int maxcount));
-EBUILTIN(int, Net_Accept, (int socket, char *address, int addresssize));
-EBUILTIN(int, Net_Recv, (int socket, void *buffer, int len));
-EBUILTIN(int, Net_Send, (int socket, void *buffer, int len));
-EBUILTIN(void, Net_Close, (int socket));
+EBUILTIN(qhandle_t, Net_TCPConnect, (char *ip, int port));
+EBUILTIN(qhandle_t, Net_TCPListen, (char *ip, int port, int maxcount));
+EBUILTIN(qhandle_t, Net_Accept, (qhandle_t socket, char *address, int addresssize));
+EBUILTIN(int, Net_Recv, (qhandle_t socket, void *buffer, int len));
+EBUILTIN(int, Net_Send, (qhandle_t socket, void *buffer, int len));
+EBUILTIN(void, Net_Close, (qhandle_t socket));
 #define N_WOULDBLOCK -1
 #define NET_CLIENTPORT -1
 #define NET_SERVERPORT -2
@@ -139,6 +144,7 @@ EBUILTIN(void, Net_Close, (int socket));
 EBUILTIN(void, memcpy, (void *, void *, int len));
 EBUILTIN(void, memmove, (void *, void *, int len));
 EBUILTIN(void, memset, (void *, int, int len));
+EBUILTIN(float, sqrt, (float f));
 #endif
 
 typedef int (*export_t) (int *args);