#include #include void usage(void) { fprint(2, "usage: mtime file...\n"); exits("usage"); } void main(int argc, char **argv) { int errors, i; Dir *d; ARGBEGIN{ default: usage(); }ARGEND errors = 0; for(i=0; imtime, argv[i]); free(d); } } exits(errors ? "errors" : nil); }