DEVNAME(3) BSD Library Functions Manual DEVNAME(3)
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.
BSD
June 3, 2012 BSD
