opterr             98 usr/include/unistd.h extern	 int opterr;
opterr             35 usr/lib/libc/stdlib/getopt.c int	opterr = 1,		/* if error message should be printed */
opterr             81 usr/lib/libc/stdlib/getopt.c 		if (opterr && *ostr != ':')
opterr            100 usr/lib/libc/stdlib/getopt.c 			if (opterr)