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[smlnj] View of /sml/trunk/src/runtime/c-libs/posix-procenv/ctermid.c
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View of /sml/trunk/src/runtime/c-libs/posix-procenv/ctermid.c

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Revision 9 - (download) (as text) (annotate)
Sun Jan 18 01:01:29 1998 UTC (21 years, 6 months ago) by monnier
File size: 656 byte(s)
This commit was generated by cvs2svn to compensate for changes in r8,
which included commits to RCS files with non-trunk default branches.
/* ctermid.c
 *
 * COPYRIGHT (c) 1995 by AT&T Bell Laboratories.
 */

#include "ml-unixdep.h"
#include <stdio.h>
#include "ml-base.h"
#include "ml-values.h"
#include "ml-objects.h"
#include "ml-c.h"
#include "cfun-proto-list.h"

/* _ml_P_ProcEnv_ctermid: unit -> string
 *
 * Return pathname of controlling terminal.
 */
ml_val_t _ml_P_ProcEnv_ctermid (ml_state_t *msp, ml_val_t arg)
{
    char     name[L_ctermid];
    char     *sts;

    sts = ctermid(name);
    if (sts == NIL(char *) || *sts == '\0')
        return RAISE_ERROR(msp, "cannot determine controlling terminal");
  
    return ML_CString (msp, name);

} /* end of _ml_P_ProcEnv_ctermid */


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