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devtoname — converts dev_t data into a string indicating the device name
#include <sys/param.h> #include <sys/conf.h> const char * devtoname(dev_t dev);
The devtoname() function returns a pointer to the name of the device passed to it. The name is whatever was set to it in make_dev(). If no name is associated with dev, a pointer to a string consisting of a “#” followed by “major/minor” as it applies to dev is returned.
The devtoname() interface first appeared in FreeBSD 4.0