__GNUC_PREREQ__  1123 kern/subr_prf.c #if __GNUC_PREREQ__(2,96)
__GNUC_PREREQ__   104 lib/libkern/quad.h #if __GNUC_PREREQ__(2, 0) || defined(lint)
__GNUC_PREREQ__   119 sys/cdefs.h    #if !__GNUC_PREREQ__(2, 5)
__GNUC_PREREQ__   160 sys/cdefs.h    #if __GNUC_PREREQ__(2, 96)
__GNUC_PREREQ__   174 sys/cdefs.h    #if __GNUC_PREREQ__(2, 7)
__GNUC_PREREQ__   180 sys/cdefs.h    #if !__GNUC_PREREQ__(2, 8)
__GNUC_PREREQ__   184 sys/cdefs.h    #if __GNUC_PREREQ__(2, 8)
__GNUC_PREREQ__   192 sys/cdefs.h    #if __GNUC_PREREQ__(3, 0)