git: regress

ref: fae865e8a1013e2756b5053e680160eabf92febf
dir: /cmd/cpp/ncat.test/

View raw version
#define NCAT(a)	foo ## a
NCAT(bar)

#define XCAT(a)	## a
foo XCAT(bar)

#define CAT3(foo)	a##foo##b
CAT3(blah)