NAME
       TokeMem - tokenise a block of text into Blitz tokens

   SYNOPSIS
       tokeBlock = TokeMem(srcAscii,maxBlockSize);

       UINT = TokeMem(char * srcAscii, UINT maxBlockSize);

   FUNCTION
       This command takes a block of ASCII text (with each line terminated by
       a LF, ASCII code 10) and creates a block of tokenised lines. The length
       of the block is specified in the function call.

   INPUTS
       srcAscii - a pointer to a LF terminated block of ASCII text

       maxBlockSize - the size of memory to allocate to hold the tokenised text

   RESULT
       tokeBlock - a pointer to the tokenised text block (or NULL for failure)

   SEE ALSO
        DetokeMem()