File: cpp

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#! /bin/sh
#__USAGE
#%C	[-P] [-C] other options
#	cpp is a wrapper for wcc to make it work like other cpp's
#	-P omit #line directives from the output
#	-C pass comments through to the output
#
#Submitted by Norton T. Allen (allen@huarp.harvard.edu)

typeset lines=l comments="" redir=""
while :; do
  case $1 in
	-P) lines=""; shift; continue;;
	-C) comments=c; shift; continue;;
  esac
  break
done
if [ ! -t 0 ]; then
  cat >.$$.c
  redir=.$$.c
fi
cc -c -Wc,-p$lines$comments -Wc,-pw=0 $* $redir |
  awk 'NR>1||NF>0 {sub("^ ","");print}'
[ -n "$redir" ] && rm -f $redir