ref: 196da4ec6f429683a351312d1f0bcb05847e7f89
dir: /sys/src/cmd/dial/drain.c/
#include <u.h> #include <libc.h> void ding(void*, char *s) { if(strstr(s, "alarm")) noted(NCONT); else noted(NDFLT); } void main(void) { char buf[256]; alarm(100); while(read(0, buf, sizeof(buf)) > 0) ; alarm(0); exits(0); }