#include <sourcemod>

#define FCVAR_DEVELOPMENTONLY (1<<1)

public OnPluginStart()
{
    decl Handle:hCommand, String:szName[64], bool:bIsCommand, flags, Handle:hConVar;
    hCommand = FindFirstConCommand(szName, sizeof(szName), bIsCommand, flags);
    if ( hCommand == INVALID_HANDLE )
        SetFailState("Failed getting first ConVar");

    do
    {
        if ( bIsCommand )
            continue;

        if ((flags & FCVAR_DEVELOPMENTONLY) != FCVAR_DEVELOPMENTONLY)
            continue;

        hConVar = FindConVar(szName);
        if ( hConVar == INVALID_HANDLE )
            continue;

        SetConVarFlags(hConVar, (flags &~ FCVAR_DEVELOPMENTONLY));
    } while ( FindNextConCommand(hCommand, szName, sizeof(szName), bIsCommand, flags));

    CloseHandle(hCommand);
}