Macros starting with `c' in sys

• CCEQ sys/termios.h:88
• claligned sys/param.h:126
• clbase sys/param.h:131
• clrbit sys/param.h:172
• clrbuf sys/buf.h:224
• clrnd sys/param.h:132
• CLRSIG sys/signalvar.h:89
• cltom sys/mbuf.h:68
• CMSG_DATA sys/socket.h:205
• CMSG_FIRSTHDR sys/socket.h:214
• CMSG_NXTHDR sys/socket.h:208
• __CONCAT sys/cdefs.h:57
• crhold sys/ucred.h:53
• CTRL sys/ttydefaults.h:56
• CURSIG sys/signalvar.h:81