Novell Doc: NDK: Libraries for C (LibC), Volume 1

Syntax

  #include <sys/stat.h> 
   
  int mknod (
     const char  *path,
     mode_t       mode,
     dev_t        dev);

path

(IN) Points to the path for the file.

mode

(IN) Specifies the type of object to create and must be set to one of the following:

Constant	Value	Description
S_IFIFO	0x1000	Specifies that the entry is a first-in/first-out device, either a FIFO or a pipe.
S_IFDIR	0x4000	Specifies that the entry is a directory.
S_IFREG	0x8000	Specifies that the entry is a regular file.

A permission's flag can be OR'd to one of the flags above. For a list of possible values, see File Access Modes and NetWare Attributes.

dev

(IN) Specifies the device type and must be set to 0.

If successful, returns 0. Otherwise, returns -1 and sets errno to one of the following:

Decimal	Constant	Description
1	ENOENT	A component of path does not name an existing file or pathname is an empty string.
6	EACCES	Search permission is denied on a component of the path.
7	EEXIST	The directory already exists.
9	EINVAL	The value of the dev parameter is invalid.
65	ENAMETOOLONG	The length of the path parameter exceeds {PATH_MAX}, or a path component is longer than {NAME_MAX}.
79	ENOTSUP	The value of the mode parameter is invalid.
105	ENOCONTEXT	The calling thread has no context.