ref: 8400240efda16e4261a17eac0f5b719701b16cd8
dir: /libnpe/mkdir.c/
#include <unistd.h>
int
mkdir(char *path, int perm)
{
int f;
if(access(path, AEXIST) == 0){
werrstr("%s: already exists", path);
return -1;
}
if((f = create(path, OREAD, DMDIR|perm)) < 0){
werrstr("%s: can't create: %r", path);
return -1;
}
close(f);
return 0;
}