ref: fa760fc4c5c448f078a428f7638b1a5e6637ade2
dir: /1.2.c/
// a modified 'hello world' that employs the '\' method
// to print the last letter in world
#include <u.h>
#include <libc.h>
void
main()
{
// 0x7f = del
print("hello, worl\x64\n");
exits(nil);
}