ref: 2ce5f2b4ecfc37cbc032b5ea2102caa2de7bd6c6
dir: /sys/src/libc/port/strecpy.c/
#include <u.h>
#include <libc.h>
char*
strecpy(char *to, char *e, char *from)
{
if(to >= e)
return to;
to = memccpy(to, from, '\0', e - to);
if(to == nil){
to = e - 1;
*to = '\0';
}else{
to--;
}
return to;
}