#include void main(void); void main() { int old_mode; double half; double fg_swlength(); old_mode = fg_getmode(); fg_setmode(16); fg_initw(); fg_setworld(0.0,6.39,0.0,3.49); fg_setsizew(0.21); fg_setcolor(7); half = fg_swlength(" Hello there. ",14) * 0.5; fg_rectw(3.2-half,3.2+half,1.6,1.9); fg_setcolor(10); fg_movew(3.2,1.65); fg_swtext("Hello there.",12,0); fg_waitkey(); fg_setmode(old_mode); fg_reset(); }