#include #include extern const char *__progname; #include "lock.h" static void usage(void) { fprintf(stderr,"Usage: %s filename pid\n",__progname); } int main(int, char **); int main(int ac, char **av) { if (ac != 3) { usage(); exit(1); } set_lock(av[1],atoi(av[2]),1); exit(0); }