tag	line	file	source code
errno	121	include/linux/unistd.h	extern int errno;
errno	133	include/linux/unistd.h	errno = -__res; \
errno	147	include/linux/unistd.h	errno = -__res; \
errno	161	include/linux/unistd.h	errno = -__res; \
errno	175	include/linux/unistd.h	errno=-__res; \
errno	190	include/linux/unistd.h	errno=-__res; \
errno	205	include/linux/unistd.h	errno=-__res; \
errno	7	lib/errno.c	int errno;
errno	24	lib/open.c	errno = -res;