/usr/share/vim/vim80/syntax/rpcgen.vim is in vim-runtime 2:8.0.1453-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 | " Vim syntax file
" Language: rpcgen
" Maintainer: Charles E. Campbell <NdrOchipS@PcampbellAfamily.Mbiz>
" Last Change: Aug 31, 2016
" Version: 12
" URL: http://www.drchip.org/astronaut/vim/index.html#SYNTAX_RPCGEN
if exists("b:current_syntax")
finish
endif
" Read the C syntax to start with
runtime! syntax/c.vim
syn keyword rpcProgram program skipnl skipwhite nextgroup=rpcProgName
syn match rpcProgName contained "\<\i\I*\>" skipnl skipwhite nextgroup=rpcProgZone
syn region rpcProgZone contained matchgroup=Delimiter start="{" matchgroup=Delimiter end="}\s*=\s*\(\d\+\|0x[23]\x\{7}\)\s*;"me=e-1 contains=rpcVersion,cComment,rpcProgNmbrErr
syn keyword rpcVersion contained version skipnl skipwhite nextgroup=rpcVersName
syn match rpcVersName contained "\<\i\I*\>" skipnl skipwhite nextgroup=rpcVersZone
syn region rpcVersZone contained matchgroup=Delimiter start="{" matchgroup=Delimiter end="}\s*=\s*\d\+\s*;"me=e-1 contains=cType,cStructure,cStorageClass,rpcDecl,rpcProcNmbr,cComment
syn keyword rpcDecl contained string
syn match rpcProcNmbr contained "=\s*\d\+;"me=e-1
syn match rpcProgNmbrErr contained "=\s*0x[^23]\x*"ms=s+1
syn match rpcPassThru "^\s*%.*$"
" Define the default highlighting.
if !exists("skip_rpcgen_syntax_inits")
hi def link rpcProgName rpcName
hi def link rpcProgram rpcStatement
hi def link rpcVersName rpcName
hi def link rpcVersion rpcStatement
hi def link rpcDecl cType
hi def link rpcPassThru cComment
hi def link rpcName Special
hi def link rpcProcNmbr Delimiter
hi def link rpcProgNmbrErr Error
hi def link rpcStatement Statement
endif
let b:current_syntax = "rpcgen"
" vim: ts=8
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