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getvfsbynumber(3)
NAME
  getvfsbynumber - Gets the virtual file system type name

LIBRARY
  Standard C Library (libc.a)

SYNOPSIS
  #include <sys/mount.h>
  char *getvfsbynumber(
	  int typeno);

PARAMETERS
  typeno    Specifies the number that identifies the type of the file system.

DESCRIPTION
  The getvfsbynumber() function returns the symbolic name for the virtual
  file system type identified by typeno. The type number of a mounted file
  system can be determined with the statfs() function.

NOTES
  The getvfsbynumber() function may not be able to handle file systems that
  are dynamically loaded.

RETURN VALUES
  Upon successful completion, getvfsbynumber() returns a symbolic name.
  Otherwise, getvfsbynumber() returns a value of -1 and sets errno.

ERRORS
  If any of the following conditions occurs, the getvfsbynumber() function
  sets errno to the corresponding value:

  [EINVAL]  typeno is outside the range of known file system types.

RELATED INFORMATION
  Functions: statfs(2), getvfsbyname(3).