Typedefs starting with `k' in bsd/sys

• kbufinfo_t bsd/sys/kdebug.h:281
• kd_buf bsd/sys/kdebug.h:254
• kd_regtype bsd/sys/kdebug.h:273
• kd_threadmap bsd/sys/kdebug.h:288
• key_t bsd/sys/types.h:94