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#include <dos.h>
unsigned int _dos_write(int handle,
const void *buffer, unsigned int count,
unsigned int *result);
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This is a direct connection to the MS-DOS write function call (%ah = 0x40). No conversion is done on the data; it is written as raw binary data. This function writes count bytes from buffer to handle. count value may be arbitrary size (e.g. > 64KB). It puts the number of bytes written into result if writing is successful.
See also _dos_open, _dos_creat, _dos_creatnew, _dos_read, and _dos_close.
Returns 0 if successful or DOS error code on error (and sets errno
to EACCES or EBADF)
| ANSI/ISO C | No |
| POSIX | No |
int handle;
unsigned int result;
char *filebuffer;
if ( !_dos_creat("FOO.DAT", _A_ARCH, &handle) )
{
puts("FOO.DAT creating was successful.");
if ( (filebuffer = malloc(130000)) != NULL )
{
...
/* Put something into filebuffer. */
...
if ( !_dos_write(handle, buffer, 130000, &result) )
printf("%u bytes written into FOO.DAT.", result);
else
puts("Writing error.");
}
_dos_close(handle);
}
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