tinycc/tests/pp/18.c

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#define M_RETI_ARG27(x,y,z,aa, ...) aa
#define M_RET_ARG27(...) M_RETI_ARG27(__VA_ARGS__)
#define M_COMMA_P(...) M_RET_ARG27(__VA_ARGS__, 1, 1, 0, useless)
#define M_EMPTYI_DETECT(...) 0, 1,
#define M_EMPTYI_P_C1(...) M_COMMA_P(M_EMPTYI_DETECT __VA_ARGS__ () )
#define EX
#define empty(x)
#define fnlike(x) yeah x
/* If the following macro is called with empty arg (X183), the use
of 'x' between fnlike and '(' doesn't hinder the recognition of this
being a further fnlike macro invocation. */
#define usefnlike(x) fnlike x (x)
X181 M_EMPTYI_P_C1()
X182 M_EMPTYI_P_C1(x)
X183 usefnlike()