Defines starting with `r' in sys

• RAW sys/ioctl_compat.h:100
• RB_ASKNAME sys/reboot.h:47
• RB_AUTOBOOT sys/reboot.h:45
• RB_DFLTROOT sys/reboot.h:52
• RB_DUMP sys/reboot.h:55
• RB_HALT sys/reboot.h:50
• RB_INITNAME sys/reboot.h:51
• RB_KDB sys/reboot.h:53
• RB_NOSYNC sys/reboot.h:49
• RB_RDONLY sys/reboot.h:54
• RB_SINGLE sys/reboot.h:48
• RE_DUP_MAX sys/syslimits.h:59
• REMOTE sys/namei.h:120
• RENAME sys/namei.h:93
• RETURN sys/tty.h:164
• RLIM_INFINITY sys/resource.h:93
• RLIMIT_CORE sys/resource.h:85
• RLIMIT_CPU sys/resource.h:81
• RLIMIT_DATA sys/resource.h:83
• RLIMIT_FSIZE sys/resource.h:82
• RLIMIT_MEMLOCK sys/resource.h:87
• RLIMIT_NPROC sys/resource.h:88
• RLIMIT_OFILE sys/resource.h:89
• RLIMIT_RSS sys/resource.h:86
• RLIMIT_STACK sys/resource.h:84
• RLIM_NLIMITS sys/resource.h:91
• RMONMIN sys/vmmeter.h:124
• RND sys/buf.h:116
• R_OK sys/unistd.h:57
• RRES sys/vmmeter.h:125
• ru_first sys/resource.h:61
• ru_last sys/resource.h:75
• RUSAGE_CHILDREN sys/resource.h:55
• RUSAGE_SELF sys/resource.h:54