ref: f83d4972db310ce49036b4aae5d0c1da22ca95b9
dir: /sys/src/libdraw/test.c/
#include <u.h> #include <libc.h> #include <draw.h> void main(int argc, char **argv) { print("%dn", wordsperline(Rect(atoi(argv[1]), atoi(argv[2]), atoi(argv[3]), atoi(argv[4])), atoi(argv[5]))); }