将字符串逆转

 1 #include<stdio.h>
 2 #include<stdlib.h>
 3 #include<string.h>
 4 #include<ctype.h>
 5
 6 void reverse(char *str);
 7
 8 int main()
 9 {
10     char str[128];
11     while(gets_s(str,128) != NULL)
12     {
13         //deleteSpace(str);
14         reverse(str);
15         puts(str);
16     }
17     system("pause");
18     return 0;
19 }
20
21
22 void reverse(char *str)
23 {
24     int beg = 0;
25     int end = strlen(str)-1;
26     char temp;
27     while(beg < end)
28     {
29         temp = str[beg];
30         str[beg] = str[end];
31         str[end] = temp;
32         beg++;
33         end--;
34     }
35 }