Trailing-Edge
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PDP-10 Archives
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SRI_NIC_PERM_FS_1_19910112
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c/lib/stdio/fread.c
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/*
* FREAD - binary read
*
* Copyright (C) 1986 by Ian Macky, SRI International
*/
#include <stdio.h>
#if __STDC__
#define VCHAR void
#else
#define VCHAR char
#endif
size_t fread(ptr, size_of_ptr, count, f)
VCHAR *ptr;
size_t size_of_ptr, count;
FILE *f;
{
register char *cp = ptr; /* Cannot manipulate (void *) */
int number_read, size, c;
if (!_readable(f) || size_of_ptr++ < 1 || count < 1)
return 0;
else {
number_read = 0;
while (count--) {
size = size_of_ptr;
while (--size && ((c = getc(f)) != EOF))
*cp++ = c;
if (!size) number_read++;
else break;
}
return number_read;
}
}