init

we/24-2.h

@@ -0,0 +1,33 @@
+#include <string.h>
+#include <stdlib.h>
+
+char* destar(char *str){
+    int length = strlen(str);
+    char *ret = (char *)malloc(sizeof(char)*length);
+    if(ret == NULL){
+        return "error";
+    }
+    int left=0,right=length-1;
+    while (str[left++]=='*');
+    while (str[right--]=='*');
+    strncpy(ret,str,left);
+    char temp;
+    int i = left;
+    while (left<=right)
+    {
+        temp = str[left++];
+        if((temp >= 'a' && temp <= 'z') || 
+           (temp >= 'A' && temp <= 'Z')) {
+            ret[i++] = temp;
+        }else if(temp=='*'){
+            continue;
+        }else{
+            free(ret);
+            return "error";
+        }
+    }
+    strncpy(ret+i,str+right+1,length - (right + 1));
+    ret[length - (left - i)] = '\0';
+
+    return ret;
+}