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#include "f2c.h"
#include "fio.h"
uiolen f__reclen;
#ifdef KR_headers
do_us(number,ptr,len) ftnint *number; char *ptr; ftnlen len;
#else
do_us(ftnint *number, char *ptr, ftnlen len)
#endif
{
if(f__reading)
{
f__recpos += (int)(*number * len);
if(f__recpos>f__reclen)
err(f__elist->cierr, 110, "do_us");
if (fread(ptr,(int)len,(int)(*number),f__cf) != *number)
err(f__elist->ciend, EOF, "do_us");
return(0);
}
else
{
f__reclen += *number * len;
(void) fwrite(ptr,(int)len,(int)(*number),f__cf);
return(0);
}
}
#ifdef KR_headers
integer do_ud(number,ptr,len) ftnint *number; char *ptr; ftnlen len;
#else
integer do_ud(ftnint *number, char *ptr, ftnlen len)
#endif
{
f__recpos += (int)(*number * len);
if(f__recpos > f__curunit->url && f__curunit->url!=1)
err(f__elist->cierr,110,"do_ud");
if(f__reading)
{
#ifdef Pad_UDread
#ifdef KR_headers
int i;
#else
size_t i;
#endif
if (!(i = fread(ptr,(int)len,(int)(*number),f__cf))
&& !(f__recpos - *number*len))
err(f__elist->cierr,EOF,"do_ud")
if (i < *number)
memset(ptr + i*len, 0, (*number - i)*len);
return 0;
#else
if(fread(ptr,(int)len,(int)(*number),f__cf) != *number)
err(f__elist->cierr,EOF,"do_ud")
else return(0);
#endif
}
(void) fwrite(ptr,(int)len,(int)(*number),f__cf);
return(0);
}
#ifdef KR_headers
integer do_uio(number,ptr,len) ftnint *number; char *ptr; ftnlen len;
#else
integer do_uio(ftnint *number, char *ptr, ftnlen len)
#endif
{
if(f__sequential)
return(do_us(number,ptr,len));
else return(do_ud(number,ptr,len));
}
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