/***************************************************************************** * pcmp - compare two pointers; return <0 if p1 < p2, 0 if p1 == p2, >0 if p1>* * mainly used as comparison routine passed to another function which keeps * * elements in sorted order, when you wish to use pointer equality as test * *****************************************************************************/ int pcmp (p1, p2) char *p1, *p2; { return (p1 - p2); }