BEGIN { wantcall=0; calls=""; }
 
NF == 1 && ($1 == "routine" || $1 == "simpleroutine") \
  { wantcall=1; next; }

wantcall == 0 && NF >= 2 && ($1 == "routine" || $1 == "simpleroutine") \
  {
    if (substr($2, length($2)-2, 1) == "(")
      calls = calls " " substr($2, 0, length($2)-1);
    else calls = calls " " $2;
  }

wantcall == 1 && NF >= 1 \
  {
    if (substr($1, length($1)-2, 1) == "(")
      calls = calls " " substr($1, 0, length($1)-1);
    else calls = calls " " $1;
  }

{ wantcall=0; }

END { print varname " :=" calls; }