Structs starting with `u' in BSD4-4

• ucred sys/ucred.h:42
• udphdr netinet/udp.h:40
• udpiphdr netinet/udp_var.h:39
• udpstat netinet/udp_var.h:55
• ufid ufs/ufs/inode.h:152
• ufs_args sys/mount.h:253
• ufsmount ufs/ufs/ufsmount.h:41
• uidinfo kern/kern_proc.c:55
• uio sys/uio.h:55
• umap_args miscfs/umapfs/umap.h:47
• umap_mount miscfs/umapfs/umap.h:55
• umap_node miscfs/umapfs/umap.h:70
• umap_node_cache miscfs/umapfs/umap_subr.c:67
• umask_args kern/vfs_syscalls.c:2031
• unit dev/scsi/scsivar.h:127
• unitdriver dev/scsi/scsivar.h:162
• unlink_args kern/vfs_syscalls.c:861
• unmount_args kern/vfs_syscalls.c:198
• unpcb sys/unpcb.h:61
• uprof sys/resourcevar.h:52
• utimes_args kern/vfs_syscalls.c:1497