code: regress

ref: fab54886d65ab03e45c85ab10efd26da3d7300b7
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)