gdb: write

 
 write
 .....
 
 Synopsis:
           int write(int fd, const void *buf, unsigned int count);
 
 Request:
      'Fwrite,FD,BUFPTR,COUNT'
 
 Return value:
      On success, the number of bytes written are returned.  Zero
      indicates nothing was written.  On error, -1 is returned.
 
 Errors:
 
      'EBADF'
           FD is not a valid file descriptor or is not open for writing.
 
      'EFAULT'
           BUFPTR is an invalid pointer value.
 
      'EFBIG'
           An attempt was made to write a file that exceeds the
           host-specific maximum file size allowed.
 
      'ENOSPC'
           No space on device to write the data.
 
      'EINTR'
           The call was interrupted by the user.