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gfs_pio_read
Langue: en
Version: 18 March 2003 (ubuntu - 24/10/10)
Section: 3 (Bibliothèques de fonctions)
NAME
gfs_pio_read - binary stream inputSYNOPSIS
#include <gfarm/gfarm.h>
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)
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