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Annotation of 43BSD/contrib/B/src/bint/b0fil.c, revision 1.1

1.1     ! root        1: /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
        !             2: 
        !             3: /*
        !             4:   $Header: b0fil.c,v 1.4 85/08/22 16:48:05 timo Exp $
        !             5: */
        !             6: 
        !             7: /* Built-in file names.  Some can be overridden by environment variables. */
        !             8: /* Only recompilation of this file is necessary when a name is changed.   */
        !             9: 
        !            10: #include "b.h"
        !            11: #include "b0fil.h"
        !            12: 
        !            13: #ifdef IBMPC
        !            14: Visible char *bpermfile= "PERM.BIF";
        !            15: Visible char *tempfile= "TEMP.BIF";
        !            16: Visible char *messfile= "\\MESSAGES.BIF";
        !            17: #else
        !            18: Visible char *bpermfile= ".b_perm";
        !            19: Visible char *tempfile= ".@b_temp";
        !            20: Visible char *messfile= "/usr/local/lib/B/Messages";
        !            21: #endif
        !            22: 
        !            23: #ifndef INTEGRATION
        !            24: #ifndef BED
        !            25: #define BED "/usr/local/lib/B/bed +" /* Trailing + if '+lineno' arg. */
        !            26: #endif
        !            27: Visible char *editorfile= BED;
        !            28: #endif
        !            29: 
        !            30: Hidden char *setdefault(envname, deflt) char *envname, *deflt; {
        !            31:        char *p= getenv(envname);
        !            32:        if (p != NULL && p[0] != '\0') return p;
        !            33:        return deflt;
        !            34: }
        !            35: 
        !            36: Visible Procedure set_file_names() {
        !            37:        messfile= setdefault("B_MESSAGES", messfile);
        !            38: #ifndef INTEGRATION
        !            39:        editorfile= setdefault("B_EDITOR", setdefault("BEDITOR", editorfile));
        !            40:        /* BEDITOR used to be the name; officially it's now B_EDITOR */
        !            41: #endif
        !            42: }

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