version 0.2, added hidefunction so mod is not found anymore easily

rainroot/caller.c

@@ -4,9 +4,20 @@
 #include <sys/syscall.h>
 #include <stdlib.h>
 
+void help(){
+	printf("rainroot caller\nuse appropiate syscallnumber (default: 210)\nexample: ./caller 210\n\nby dash\n");
+	
+
+}
+
 int main(int argc, char *argv[]){
 
 	int scall=-1;
+	if(argc<2){
+		help();
+		exit(1);
+	}
+	
 	scall = atoi(argv[1]);
 
 	syscall(scall);