ref: 853049c3b9a3c84b6de4eaa5edab039c4d3df98c
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]))); }