NAME
devname —
get device name
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#include <stdlib.h>
#include <sys/stat.h>
char *
devname(
dev_t
dev,
mode_t type);
DESCRIPTION
The
devname() function returns a pointer to the name of the
block or character device in “
/dev” with a
device number of
dev, and a file type matching the one
encoded in
type which must be one of S_IFBLK or S_IFCHR.
If no device matches the specified values, or no information is available,
NULL
is returned.
The traditional display for applications when no device is found is the string
“??”.
FILES
- /var/run/dev.cdb
- Device database file.
SEE ALSO
stat(2),
dev_mkdb(8)
HISTORY
The
devname function call appeared in
4.4BSD.