All symbols starting with 'u' in sys

• ucred sys/ucred.h:43
• ufs_args sys/mount.h:206
• ufs_specific sys/namei.h:77
• uid_t sys/types.h:54
• u_int sys/types.h:42
• uio sys/uio.h:56
• UIOCCMD sys/ioctl.h:143
• uio_rw sys/uio.h:45
• uio_seg sys/uio.h:50
• u_long sys/types.h:43
• unpcb sys/unpcb.h:62
• uprof sys/resourcevar.h:53
• u_quad sys/types.h:61
• user sys/user.h:59
• ushort sys/types.h:44
• utsname sys/utsname.h:42