#ifndef _CRT_SECURE_NO_WARNINGS # define _CRT_SECURE_NO_WARNINGS #endif #include #include int main(int argc, char* argv[]) { FILE* source; FILE* target; int i; for (i = 1; i < argc; ++i) { if (strcmp(argv[i], "-bad") == 0) { fprintf(stdout, "stdout from bad command line arg '-bad'\n"); fprintf(stderr, "stderr from bad command line arg '-bad'\n"); return 1; } } source = fopen(argv[argc - 1], "rb"); if (source == NULL) { return 1; } target = fopen(argv[argc - 2], "wb"); if (target != NULL) { char buffer[500]; size_t n = fread(buffer, 1, sizeof(buffer), source); fwrite(buffer, 1, n, target); fclose(source); fclose(target); return 0; } return 1; }