Language in C 面试题与答案
Question: How do I write code that executes certain function only at program termination?
Answer: Use atexit( ) function as shown in following program.#include <stdlib.h> main( ) { int ch ; void fun ( void ) ; atexit ( fun ) ; // code } void fun( void ) { printf ( "nTerminate program......" ) ; getch( ) ; } |
保存以便复习
收藏此条目、标记为困难题，或将其加入复习集合。
这有帮助吗？ 是 否
用户评价最有帮助的内容：
- What will be the output of the following code?
void main ()
{ int i = 0 , a[3] ;
a[i] = i++;
printf ("%d",a[i]) ;
} - Why doesn't the following code give the desired result?
int x = 3000, y = 2000 ;
long int z = x * y ; - Why doesn't the following statement work?
char str[ ] = "Hello" ;
strcat ( str, '!' ) ; - How do I know how many elements an array can hold?
- How do I compare character data stored at two different memory locations?