Lex simplification help

[acoustic umbra]

Hello there, I'm in a situation where I need to write something like this
(in a .lex file)

"printf"                    { return PRINTFF; }
"scanf"                     { return SCANFF; }
"int"                       { return INT; }
"float"                     { return FLOAT; }
"char"                      { return CHAR; }
"void"                      { return VOID; }
"return"                    { return RETURN; }
"for"                        { return FOR; }
"if"                        { return IF; }
"else"                        { return ELSE; }

And i wanted to know if I can simplify this by using a X macros or something similar to this ?

I have done something that you can check with the file but I have no idea how I can exploit this because I've nerver touched Lex before.

Thanks in advance !

[fickle abyss]

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