ref: f8d5cc7230ee2cb7521d90599d525e205ad84fa6
dir: /sys/src/libdraw/newwindow.c/
#include <u.h> #include <libc.h> #include <draw.h> /* Connect us to new window, if possible */ int newwindow(char *str) { int fd; char *wsys; char buf[256]; wsys = getenv("wsys"); if(wsys == nil) return -1; fd = open(wsys, ORDWR); free(wsys); if(fd < 0) return -1; rfork(RFNAMEG); if(str) snprint(buf, sizeof buf, "new %s", str); else strcpy(buf, "new"); return mount(fd, -1, "/dev", MBEFORE, buf); }