Mknod. Microware C Compiler

Chapter 3. C System Calls

Diagnostics

-1 is returned if "pn" is a bad path number, or attempting to seek to a position before the beginning of a file.

See Also

creat(), open(), Standard Library function "fseek"

Mknod

Name

Mknod

— create a directory

Synopsis

#include <modes.h> mknod (char *fname, int desc);

Assembler Equivalent

os9 I$MAKDIR

Description

This call may be used to create a new directory. "Fname" should point to a string containing the desired name of the directory. "Desc" is a descriptor specifying the desired mode (file type) and permissions of the new file.

The include file defines the possible values for "desc" as follows:

#define S_IREAD 0x01

#define S_IWRITE 0x02

#define S_IEXEC 0x04

#define S_IOREAD 0x08

#define S_IOWRITE 0x10

#define S_IOEXEC 0x20

#define S_ISHARE 0x40

/* owner read */

/* owner write */

/* owner execute */

/* public read */

/* public write */

/* public execute */

/* sharable */

Diagnostics

Zero is returned if the directory has been successfully made; -1 if the file already exists.

See Also

OS-9 command "makdir"

28