ftell64_.c File Reference

#include "f2c.h"
#include "fio.h"

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Functions
static FILE *	unit_chk (integer Unit, char *who)
longint	ftell64_ (integer *Unit)
int	fseek64_ (integer *Unit, longint *offset, integer *whence)

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Function Documentation

int fseek64_	(	integer *	Unit,
		longint *	offset,
		integer *	whence
	)

Definition at line 34 of file ftell64_.c.

References f(), FSEEK, int, OFF_T, SEEK_CUR, SEEK_END, SEEK_SET, unit_chk(), and w.

{
        FILE *f;
        int w = (int)*whence;
#ifdef SEEK_SET
        static int wohin[3] = { SEEK_SET, SEEK_CUR, SEEK_END };
#endif
        if (w < 0 || w > 2)
                w = 0;
#ifdef SEEK_SET
        w = wohin[w];
#endif
        return  !(f = unit_chk(*Unit, "fseek"))
                || FSEEK(f, (OFF_T)*offset, w) ? 1 : 0;
        }

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longint ftell64_

(

integer *

Unit

)

Definition at line 23 of file ftell64_.c.

References f(), FTELL, L, and unit_chk().

{
        FILE *f;
        return (f = unit_chk(*Unit, "ftell")) ? FTELL(f) : -1L;
        }

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static FILE* unit_chk	(	integer	Unit,
		char *	who
	)			[static]

Definition at line 11 of file ftell64_.c.

References f__fatal(), f__units, MXUNIT, and unit::ufd.

Referenced by fseek64_(), fseek_(), ftell64_(), and ftell_().

{
        if (Unit >= MXUNIT || Unit < 0)
                f__fatal(101, who);
        return f__units[Unit].ufd;
        }

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