| #### D.6.16.4 KScoef Procedure from library `kskernel.lib` (see kskernel_lib). Return: exports ring RC and number C within it. C is the coefficient of the word defined in the list qq, being a part of C[i,j] for x^p+y^q Example:
    LIB "kskernel.lib";
    int p=5; int q=14;
    int i=2; int j=9;
    list L;
    ring r=0,x,dp;
    number c;
    L[1]=3; L[2]=1; L[3]=3; L[4]=2;
    KScoef(i,j,p,q,L);
    c=imap(RC,C);
    c;
    ==> 27/8575
    L[1]=3; L[2]=1; L[3]=2; L[4]=3;
    KScoef(i,j,p,q,L);
    ==> // ** redefining S (  export S;)
    ==> // ** redefining u (  export u;)
    ==> // ** redefining l (  export l;)
    ==> // ** redefining RC (  export RC;exportto(Top,RC);)
    c=c+imap(RC,C);
    c; // it is a coefficient of T1*T2*T3^2 in C[2,9] for x^5+y^14
    ==> 99/8575

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