void setmemory(char **p, int num){ *p=(char *) malloc(num);}void test(void){ char *str=NULL;getmemory(str,100);strcpy(str,"hello");printf(str);}运行test函数有什么结果?( )
void setmemory(char **p, int num)
{ *p=(char *) malloc(num);}
void test(void)
{ char *str=NULL;
getmemory(&str,100);
strcpy(str,"hello");
printf(str);
}
运行test函数有什么结果?( )
相关考题:
设有以下函数: void fun(int n,char*s){…} 则下面对函数指针的定义和赋值均正确的是( )。A.void(*pf)( );pf=fun;B.void*pf( );pf=funC.void*pf( );*pf=fun;D.void(*pf)(int,char);pf=fun;
有关内存的思考题1. void getmemory(char *p){ p=(char*)mallol(100);}void test(void){char * str =null;getmemory(str);strcpy(str,”hello,world”);printf(str);}请问运行 Test 函数会有什么样的结果
char*getmemory(void){ char p[]=”hello world”;return p;}void test(void){char *str=null;str=Getmemory();printf(str);} 请问运行 Test 函数会有什么样的结果.
void GetMemory(char *p){p = (char *)malloc(100);}void Test(void) {char *str= NULL;GetMemory(str); strcpy(str, "hello world");printf(str);}请问运行 Test 函数会有什么样的结果?
char *GetMemory(void){ char p[] = "hello world";returnp; }void Test(void){char *str = NULL;str = GetMemory(); printf(str);}请问运行 Test 函数会有什么样的结果?
Void GetMemory2(char **p, int num){*p = (char *)malloc(num);}voidTest(void){char *str = NULL;GetMemory(str, 100);strcpy(str, "hello"); printf(str); }请问运行Test 函数会有什么样的结果?
void Test(void){char *str = (char *)malloc(100); strcpy(str, “hello”); free(str); if(str != NULL) { strcpy(str, “world”); printf(str);}}请问运行 Test 函数会有什么样的结果?
设有以下函数:voidfun(intn,char}s){……}则下面对函数指针的定义和赋值均正确的是( )。A.void(*pf)(int,char);pf=fun;B.void+pf( );pf=fun;C.void*pf( );*pf=fun;D.void(*pf)(int,char*);pf=fun;
下面的程序各自独立,请问执行下面的四个TestMemory 函数各有什么样的结果?①void GetMemory(char * p){p = (char * )malloc(100);}void TestMemory (void){char *str = NULL;GetMemory (str);strcpy(str, "hello world");prinff(str);}② char * GetMemory (void){char p[ ] = "hello world";return p;}void TestMemory (void){char * str = NULL;str = GetMemory( );printf(str);}③void GetMemory(char * * p, int num){* p = (char * )malloc(num);}void TestMemory (void){char * str = NULL;GetMemory(str, 100);strcpy( str, "hello" );printf(sir);}④void TestMemory (void){char *str = (char * )malloe(100);strepy (str, "hello" );free ( str );if(str ! = NULL){strepy( str, "world" );printf(str);}}