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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 651 - (download) (as text) (annotate)
Thu Jun 1 18:34:03 2000 UTC (20 years ago) by monnier
File size: 656 byte(s)
bring revisions from the vendor branch to the trunk
/* 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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