#include #include static void usage(char *); int main(int argc, char *argv[]) { int i = 0; int n; if (argc != 2) usage(argv[0]); n = atoi(argv[1]); while(i++ < n) printf("- boucle pour (%d < %d)\n", i, n); return EXIT_SUCCESS; } static void usage(char *s) { fprintf(stderr, "Usage: %s «nombre»\n", s); exit(EXIT_FAILURE); }