2024年2月1日发(作者：)
//#include #include #include #include #include using namespace std;int main(int argc, char *argv[]){ if(access(argv[1], F_OK) != 0) { cout << "file " << endl; return 0; } int fin = open(argv[1], O_RDONLY, 0777); int fout = open(argv[2], O_WRONLY|O_CREAT, 0777); char buff[1024] = {'0'}; int len = 0; while((len = read(fin, buff, sizeof(buff))) > 0) { write(fout, buff, len); } close(fin); close(fout); return 0;}//#include #include using namespace std;int main(int argc, char *argv[]){ FILE *fp1; fp1 = fopen(argv[1], "r"); FILE *fp2; fp2 = fopen(argv[2], "w"); char buff[200] = {'0'}; while(fgets(buff, sizeof(buff), fp1) != NULL) { fputs(buff, fp2); } fclose(fp1); fclose(fp2); return 0;
}
//#include #include using namespace std;int main(int argc, char *argv[]){ FILE *fp1; fp1 = fopen(argv[1], "r"); FILE *fp2; fp2 = fopen(argv[2], "w"); char buff[1024] = {'0'}; int count = 0; while((count = fread(buff, 1, 1024, fp1)) != 0) { fwrite(buff, 1, count, fp2); } fclose(fp1); fclose(fp2); return 0;}
