returns a list with all scilab keywords.
list_keywords=getscilabkeywords()
:list_keywords a list :
list_keywords(1) : primitives
list_keywords(2) : commands
list_keywords(3) : predef variables
list_keywords(4) :scilab functions
list_keywords(5) :xcos functions
list_keywords = getscilabkeywords();
primitives = list_keywords(1)
commands = list_keywords(2)
predef_var = list_keywords(3)
scilab_functions = list_keywords(4)
xcos_functions = list_keywords(5)