1{ 2 gbname = $3 3 gbrename = $3 4 gsub (/GxB_/, "GxM_", gbrename) ; 5 gsub (/GrB_/, "GrM_", gbrename) ; 6 gsub (/GB_/, "GM_", gbrename) ; 7 printf "#define %s %s\n", gbname, gbrename 8} 9