Write data to file descriptor
Source position: bunxh.inc line 88
function FpWrite(
fd: cint ;
buf: pChar ;
nbytes: TSize
):TsSize ;
function FpWrite(
fd: cint ;
const buf;
nbytes: TSize
):TsSize ;
FpWrite writes at most nbytes bytes from buf to file descriptor fd.
The function returns the number of bytes actually written, or -1 if an error occurred.
Extended error information can be retrieved using fpGetErrno.
Open file and return file descriptor
Close file descriptor
Read data from file descriptor
Truncate file on certain size.
Set file pointer position.