#include #include #include #include #include #include int main(int argc, char** argv) { printf("PID: %d\n", getpid()); int ret = syscall(SYS_openat, -100, "testfile", O_RDWR); printf("Openat ret: %d\n", ret); if (ret == -1) { printf("Opneat error: %s\n", strerror(errno)); } ret = syscall(SYS_write, ret, "writing this :)", 14); printf("Write ret: %d\n", ret); if (ret == -1) { printf("Write error: %s\n", strerror(errno)); } return 0; }