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creat (2)
  • >> creat (2) ( Solaris man: Системные вызовы )
  • creat (2) ( FreeBSD man: Системные вызовы )
  • creat (2) ( Русские man: Системные вызовы )
  • creat (2) ( Linux man: Системные вызовы )
  • creat (3) ( POSIX man: Библиотечные вызовы )
  •  

    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 TYPEATTRIBUTE VALUE

    Interface StabilityStandard

    MT-Level

     

    SEE ALSO

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


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    RETURN VALUES
    ERRORS
    EXAMPLES
    USAGE
    ATTRIBUTES
    SEE ALSO


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