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#include<stdio.h>
#include<stdlib.h>
void reverse_string(char *string)
{
char *last_char;
for(last_char = string; *last_char != '\0'; last_char++)
;
last_char--;
while(string<last_char)
{
char temp;
temp = *string;
*string++ = *last_char;
*last_char-- = temp;
}
}
int main()
{
char *str = (char *)malloc(sizeof(char)*20);
str = "123456abcdef";
printf("str1 = %s\n",str);
reverse_string(str);
printf("str2 = %s\n",str);
free(str);
str = NULL;
}
#include<stdio.h>
#include<stdlib.h>
void reverse_string(char *string)
{
char *last_char;
for(last_char = string; *last_char != '\0'; last_char++)
;
last_char--;
while(string<last_char)
{
char temp;
temp = *string;
*string++ = *last_char;
*last_char-- = temp;
}
}
int main()
{
//char *str = (char *)malloc(sizeof(char)*20);
//str = "123456abcdef";
char str[20] = "123456abcdef";
printf("str1 = %s\n",str);
reverse_string(str);
printf("str2 = %s\n",str);
//free(str);
//str = NULL;
return 0;
}