1
C - 88 characters, 88 points
c(*a,*b){return strcmp(a,b);}main(int a,char**b){b++;qsort(*b,strlen(*b),1,c);puts(*b);}
You might wonder how I get this to work without any headers. Simple, compile with:
gcc -include stdio.h stdlib.h string.h test.c -o test --std=gnu11 -Wall -g -O3
Un-golfed:...