All symbols starting with 'l' in sys

• linger sys/socket.h:78
• LOG_FAC sys/syslog.h:114
• LOG_MAKEPRI sys/syslog.h:60
• LOG_MASK sys/syslog.h:150
• LOG_PRI sys/syslog.h:59
• LOG_UPTO sys/syslog.h:151
• ltchars sys/ioctl_compat.h:57