tag	line	file	source code
perror	99	tools/build.c	perror("/");
perror	106	tools/build.c	perror(argv[4]);
perror	206	tools/build.c	perror(argv[1]);
perror	41	zBoot/piggyback.c	perror("stdin");
perror	69	zBoot/xtract.c	perror(argv[1]);