micro-utils/coreutils/dirname.c

#include <stdio.h>
#include <libgen.h>

int main(const int argc, char **argv) {

	if (argc <= 1) {
		printf("dirname [dirname]\n");
		return 1;
	}

	for (int i = 1; i < argc; i++)
		puts(dirname(argv[i]));

	return 0;
}