#include <stdio.h>
#include <string.h>
char * retstring();
int main()
{
char * name2;
name2 = retstring();
printf("%s\n",name2);
return 0;
}
char * retstring()
{
char name[10];
strcpy(name,"汉青");
return name;
}
char* strcpy(char* des,const char* source)
{
char* r=des;
assert((des != NULL) && (source != NULL));
while((*r++ = *source++)!='\0');
return des;
}
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
char * retstring();
int main()
{
char * name2;
name2 = retstring();
printf("%s\n",name2);
//记住一定要用free释放,否则会造成内存泄露
free(name2);
return 0;
}
char * retstring()
{
char * name;
name = (char *)malloc(10);
strcpy(name,"张汉青");
return name;
}
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
char * retstring();
int main()
{
char * name2;
name2 = retstring();
printf("%s\n",name2);
return 0;
}
char * retstring()
{
static char name[10];
strcpy(name,"张汉青");
return name;
}
char g_s[100];
char* fun()
{
strcpy(g_s, "abc ");
return s;
}
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