CREAT(3)                   POSIX Programmer's Manual                  CREAT(3)



PPRROOLLOOGG
       This manual page is part of the POSIX Programmer's Manual.  The OS
       implementation of this interface may differ (consult the corresponding
       OS manual page for details of OS behavior), or the interface may not be
       implemented on OS.


NNAAMMEE
       creat -- create a new file or rewrite an existing one

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

       int creat(const char *_p_a_t_h, mode_t _m_o_d_e);

DDEESSCCRRIIPPTTIIOONN
       The _c_r_e_a_t() function shall behave as if it is implemented as follows:

           iinntt ccrreeaatt((ccoonnsstt cchhaarr **ppaatthh,, mmooddee__tt mmooddee))
           {{
               rreettuurrnn ooppeenn((ppaatthh,, OO__WWRROONNLLYY||OO__CCRREEAATT||OO__TTRRUUNNCC,, mmooddee));;
           }}

RREETTUURRNN VVAALLUUEE
       Refer to _o_p_e_n().

EERRRROORRSS
       Refer to _o_p_e_n().

       _T_h_e _f_o_l_l_o_w_i_n_g _s_e_c_t_i_o_n_s _a_r_e _i_n_f_o_r_m_a_t_i_v_e_.

EEXXAAMMPPLLEESS
   CCrreeaattiinngg aa FFiillee
       The following example creates the file //ttmmpp//ffiillee with read and write
       permissions for the file owner and read permission for group and
       others. The resulting file descriptor is assigned to the _f_d variable.

           ##iinncclluuddee <<ffccnnttll..hh>>
           ......
           iinntt ffdd;;
           mmooddee__tt mmooddee == SS__IIRRUUSSRR || SS__IIWWUUSSRR || SS__IIRRGGRRPP || SS__IIRROOTTHH;;
           cchhaarr **ppaatthhnnaammee == ""//ttmmpp//ffiillee"";;
           ......
           ffdd == ccrreeaatt((ppaatthhnnaammee,, mmooddee));;
           ......

AAPPPPLLIICCAATTIIOONN UUSSAAGGEE
       None.

RRAATTIIOONNAALLEE
       The _c_r_e_a_t() function is redundant. Its services are also provided by
       the _o_p_e_n() function. It has been included primarily for historical
       purposes since many existing applications depend on it. It is best
       considered a part of the C binding rather than a function that should
       be provided in other languages.

FFUUTTUURREE DDIIRREECCTTIIOONNSS
       None.

SSEEEE AALLSSOO
       _m_k_n_o_d(), _o_p_e_n()

       The Base Definitions volume of POSIX.1-2008, <<ffccnnttll..hh>>, <<ssyyss__ssttaatt..hh>>,
       <<ssyyss__ttyyppeess..hh>>

CCOOPPYYRRIIGGHHTT
       Portions of this text are reprinted and reproduced in electronic form
       from IEEE Std 1003.1, 2013 Edition, Standard for Information Technology
       -- Portable Operating System Interface (POSIX), The Open Group Base
       Specifications Issue 7, Copyright (C) 2013 by the Institute of
       Electrical and Electronics Engineers, Inc and The Open Group.  (This is
       POSIX.1-2008 with the 2013 Technical Corrigendum 1 applied.) In the
       event of any discrepancy between this version and the original IEEE and
       The Open Group Standard, the original IEEE and The Open Group Standard
       is the referee document. The original Standard can be obtained online
       at http://www.unix.org/online.html .

       Any typographical or formatting errors that appear in this page are
       most likely to have been introduced during the conversion of the source
       files to man page format. To report such errors, see
       https://www.kernel.org/doc/man-pages/reporting_bugs.html .



IEEE/The Open Group                  2013                             CREAT(3)
