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Command: fread | Section: 3 | Source: UNIX v7 | File: fread.3s
FREAD(3S) FREAD(3S)
NAME
fread, fwrite - buffered binary input/output
SYNOPSIS
#include <stdio.h>
fread(ptr, sizeof(*ptr), nitems, stream)
FILE *stream;
fwrite(ptr, sizeof(*ptr), nitems, stream)
FILE *stream;
DESCRIPTION
Fread reads, into a block beginning at ptr, nitems of data of the type
of *ptr from the named input stream. It returns the number of items
actually read.
Fwrite appends at most nitems of data of the type of *ptr beginning at
ptr to the named output stream. It returns the number of items actu-
ally written.
SEE ALSO
read(2), write(2), fopen(3), getc(3), putc(3), gets(3), puts(3),
printf(3), scanf(3)
DIAGNOSTICS
Fread and fwrite return 0 upon end of file or error.
FREAD(3S)