c语言实用程序一百例

# include "graphics.h" # include "conio.h" # define PATH "d:\\tc" main() { int i,gdriver=VGA, gmode=VGAHI; void change(); unsigned c[16]={ 0x0004,0x3ffe,0x00c0,0x00c0,0x08c0,0x08c8,\ 0x0cfc,0x0cc0,0x0cc0,0x0cc0,0x0cc0,0x0cc2,\ 0x7fff,0x0000}; initgraph(&gdriver,&gmode,PATH); change(c); setcolor(2); for(i=0;i<16;i++) { setlinestyle(4,c[i],3); line(1,i+190,545,i+190); } getch(); closegraph(); } void change(unsigned *p) { unsigned a,b,i,j; for(i=0;i<16;i++) { a=0; b=1; for(j=0;j<16;j++) { a<<=1; if((*(p+i)&b)==1) a|=b; *(p+i)>>=1; } *(p+i)=a; } }