Symbol: r_reg
sys/dev/misc/ppc/ppc.c
1350
#define r_reg(register,ppc) (bus_space_read_1((ppc)->bst, (ppc)->bsh, register))
usr.bin/tail/reverse.c
101
r_reg(FILE *fp, const char *fn, enum STYLE style, off_t off, struct stat *sbp)