.SH "CONFORMING TO"
These functions are not in POSIX. Several operating systems have them,
e.g., *BSD, SunOS, Digital Unix, AIX (which also has a
-.IR getfstype ()).
+.BR getfstype ()).
HP-UX has functions of the same names, that however use a struct checklist
instead of a struct fstab, and calls these functions obsolete, superseded by
.BR getmntent (3).