Prelab 1.2 complete

Labs/Lab1/cmdreverse.c

+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+
+void reverse_string(char *str, int len){
+  if (*str == '\0'){
+    return;
+  }
+  reverse_string(str + 1, len-1);
+  printf("%c", *str);
+
+}
+int main(int argc, char *argv[]){
+  if(argc != 2){
+	printf("erro\n");
+  }
+  else{
+  char *str = argv[1];
+  int len = strlen(str);
+  reverse_string(str, len);
+  }
+}

Labs/Lab1/cmdreverse.c~

+#include <stdio.h>
+#include <stdlib.h>
+int main(int argc, char *argv[]){
+  char *s = argv[0];
+  int len = sizeof(s);
+  int i = 0;
+  char c;
+  while(i<=len/2-1){
+    c = *(s+i);
+    *(s+i) = *(s+len-1+i);
+    *(s+len -1 +i)= c;
+    i++;
+  }
+  printf("%s \n", s);
+}