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gfs_pio_read

NAME

gfs_pio_read - binary stream input

SYNOPSIS

#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)