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

1.1       root        1: #include "../h/rt.h"
                      2: 
                      3: /*
                      4:  * defint - if dp is null, default to def; otherwise, convert to integer.
                      5:  *  Note that *lp gets the value.
                      6:  */
                      7: 
                      8: defint(dp, lp, def)
                      9: struct descrip *dp;
                     10: long *lp;
                     11: int def;
                     12:    {
                     13:    DeRef(*dp)
                     14:    if (NULLDESC(*dp)) {
                     15:       *lp = (long)def;
                     16:       return 1;
                     17:       }
                     18:    if (cvint(dp, lp) == NULL)
                     19:       runerr(101, dp);
                     20:    return 0;
                     21:    }

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