ref: 4671df38fe8b526e7f72c494e093563e1d744d74
dir: /sys/src/libventi/strdup.c/
#include <u.h>
#include <libc.h>
#include <venti.h>
char*
vtstrdup(char *s)
{
int n;
char *ss;
if(s == nil)
return nil;
n = strlen(s) + 1;
ss = vtmalloc(n);
memmove(ss, s, n);
return ss;
}