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CREAT(3) Library Functions Manual CREAT(3)

creat
create a new file

#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
int
creat(const char *path, mode_t mode);

This interface is made obsolete by:
open(2).
creat() is the same as:
open(path, O_CREAT | O_TRUNC | O_WRONLY, mode);

open(2)

The creat() function call conforms to IEEE Std 1003.1-1990 (“POSIX.1”).

The creat() function call appeared in Version 6 AT&T UNIX.
June 5, 2013 OpenBSD-6.1