Performs a write operation on an open file with arguments passed.
|fp||Points to a file structure returned by the fp_open or fp_opendev kernel service.|
|buf||Points to the buffer where data to be written to a file is located.|
|nbytes||Indicates the number of bytes to be written to the file.|
|ext||Specifies an extension argument required by some device drivers. Its content, form, and use are determined by the individual driver.|
|segflag|| Indicates in which part of memory the buffer specified by the buf parameter
|countp||Points to the location where count of bytes actually written to the file is to be returned.|
The fp_write kernel service is an internal interface to the function provided by the write subroutine.
The fp_write kernel service can be called from the process environment only.
|0||Indicates a successful operation.|
|ERRNO||Returns an error number from the /usr/include/sys/errno.h file on failure.|
The fp_write kernel service is part of Base Operating System (BOS) Runtime.
The write subroutine.
Logical File System Kernel Services in AIX Version 4.3 Kernel Extensions and Device Support Programming Concepts.