ref: af46e1737f7939365e09124cd15ec07550e5df13
dir: /sys/src/libc/9sys/setnetmtpt.c/
#include <u.h>
#include <libc.h>
void
setnetmtpt(char *net, int n, char *x)
{
if(x == nil)
x = "/net";
if(*x == '/'){
strncpy(net, x, n);
net[n-1] = 0;
} else {
snprint(net, n, "/net%s", x);
}
}