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Annotation of 43BSD/contrib/icon/rt/deffile.c, revision 1.1.1.1

1.1       root        1: #include "../h/rt.h"
                      2: 
                      3: /*
                      4:  * deffile - if dp is null, default to def; otherwise, make sure it's a file.
                      5:  */
                      6: 
                      7: deffile(dp, def)
                      8: struct descrip *dp, *def;
                      9:    {
                     10:    DeRef(*dp)
                     11:    if (NULLDESC(*dp)) {
                     12:       *dp = *def;
                     13:       return 1;
                     14:       }
                     15:    if (QUAL(*dp) || TYPE(*dp) != T_FILE)
                     16:       runerr(105, dp);
                     17:    return 0;
                     18:    }

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