v7 man page for fread

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
       actually 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)