gfs_pio_read
Name
gfs_pio_read -- binary stream input
Synopsis
char *gfs_pio_read
(GFS_File gf, void * buffer, int size, int * np);
DESCRIPTION
gfs_pio_read() attempts to read up to size bytes from the
file referenced by gf into the buffer starting at buffer,
and returns the number of bytes read to the address pointed by
np. On end of file, the number of bytes read is zero.
RETURN VALUES
- NULL
The function terminated successfully.
- GFARM_ERR_NO_MEMORY
Insufficient memory was available.
- Others
An error except the above occurred. The reason is shown by its
pointed strings.
SEE ALSO
gfs_pio_create(3),
gfs_pio_open(3)