ref: 1d5a2aa48778960fc9b5ab0b39f83a5322c3f754
dir: /sys/src/liboventi/strdup.c/
#include <u.h>
#include <libc.h>
#include <oventi.h>
char*
vtStrDup(char *s)
{
int n;
char *ss;
if(s == nil)
return nil;
n = strlen(s) + 1;
ss = vtMemAlloc(n);
memmove(ss, s, n);
setmalloctag(ss, getcallerpc(&s));
return ss;
}