30 lines
744 B
C
30 lines
744 B
C
|
#include <sys/stat.h>
|
||
|
|
#include <sys/types.h>
|
||
|
|
#include <fcntl.h>
|
||
|
|
#include <share.h>
|
||
|
|
|
||
|
|
void main()
|
||
|
|
{
|
||
|
|
int handle;
|
||
|
|
|
||
|
|
/* open a file for output */
|
||
|
|
/* replace existing file if it exists */
|
||
|
|
|
||
|
|
handle = sopen( "file",
|
||
|
|
O_WRONLY | O_CREAT | O_TRUNC,
|
||
|
|
SH_DENYWR,
|
||
|
|
S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP );
|
||
|
|
|
||
|
|
/* read a file which is assumed to exist */
|
||
|
|
|
||
|
|
handle = sopen( "file", O_RDONLY, SH_DENYWR );
|
||
|
|
|
||
|
|
/* append to the end of an existing file */
|
||
|
|
/* write a new file if file does not exist */
|
||
|
|
|
||
|
|
handle = sopen( "file",
|
||
|
|
O_WRONLY | O_CREAT | O_APPEND,
|
||
|
|
SH_DENYWR,
|
||
|
|
S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP );
|
||
|
|
}
|