CREAT(2) System Calls CREAT(2)


NAME


creat - create a new file or rewrite an existing one

SYNOPSIS


#include <sys/stat.h>
#include <fcntl.h>

int creat(const char *path, mode_t mode);


DESCRIPTION


The function call


creat(path, mode)


is equivalent to:


open(path, O_WRONLY | O_CREAT | O_TRUNC, mode)

RETURN VALUES


Refer to open(2).

ERRORS


Refer to open(2).

EXAMPLES


Example 1: Creating a File




The following example creates the file /tmp/file with read and write
permissions for the file owner and read permission for group and others.
The resulting file descriptor is assigned to the fd variable.


#include <fcntl.h>
...
int fd;
mode_t mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH;
char *filename = "/tmp/file";
...
fd = creat(filename, mode);
...


USAGE


The creat() function has a transitional interface for 64-bit file
offsets. See lf64(5).

ATTRIBUTES


See attributes(5) for descriptions of the following attributes:


+--------------------+-------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+--------------------+-------------------+
|Interface Stability | Standard |
+--------------------+-------------------+
|MT-Level | Async-Signal-Safe |
+--------------------+-------------------+

SEE ALSO


open(2), attributes(5), largefile(5), lf64(5), standards(5)


March 25, 2002 CREAT(2)