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@c ----------------------------------------------------------------------
@node hasmntopt, unix
@heading @code{hasmntopt}
@subheading Syntax
@example
#include <mntent.h>
char *hasmntopt(struct mntent *mnt, char *opt);
@end example
@subheading Description
This function is a no-op for MS-DOS, but is provided to assist in Unix
ports. @xref{getmntent}
@subheading Return Value
This function always returns @code{NULL} to signify an error.
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