s_copy(a, b, la, lb) /* assign strings: a = b */ char *a, *b; long int la, lb; { char *aend, *bend; aend = a + la; if(la <= lb) while(a < aend) *a++ = *b++; else { bend = b + lb; while(b < bend) *a++ = *b++; while(a < aend) *a++ = ' '; } }