ref: 96f08d8dc0198c6c1ac478349ed76398c5cf7401
dir: /cp.c/
#include "xroff.h"
static int cp_backed = -1;
int cp_next(void)
{
int ret = cp_backed >= 0 ? cp_backed : in_next();
cp_backed = -1;
return ret;
}
void cp_back(int c)
{
cp_backed = c;
}