vpaccess
if (vpaccess(file, READ) == 0) {
if (namefile == NULL && vpaccess(NAMEFILE, READ) == 0) {
} else if (vpaccess(path, READ) == 0) {
if (type == '"' && vpaccess(file, READ) == 0) {
if (vpaccess(compath(path), READ) == 0) {
vpaccess(path, READ) == 0) {
extern int vpaccess(char *path, mode_t amode);