ref: de199b06f13d2bbde2b4c95cc6de98a8ca483a08
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; }