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void MyFun(int x);    //´Ë´¦µÄÉêÃ÷Ò²¿Éд³É£ºvoid MyFun( int );
int main(int argc, char* argv[])
{
   MyFun(10);     //ÕâÀïÊǵ÷ÓÃMyFun(10);º¯Êý
      return 0;
}
void MyFun(int x)  //ÕâÀﶨÒåÒ»¸öMyFunº¯Êý
{
   printf(“%d\n”,x);
}
    Õâ¸öMyFunº¯ÊýÊÇÒ»¸öÎÞ·µ»ØÖµµÄº¯Êý£¬Ëü²¢²»Íê³ÉʲôÊÂÇé¡£ÕâÖÖµ÷Óú¯ÊýµÄ¸ñʽÄãÓ¦¸ÃÊǺÜÊìϤµÄ°É£¡¿´Ö÷º¯ÊýÖе÷ÓÃMyFunº¯ÊýµÄÊéд¸ñʽ£º
MyFun(10);
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void (*FunP)(int) ;   //Ò²¿Éд³Évoid (*FunP)(int x);
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# include <stdio.h>
 
int main()
{
    int x, y, num1, num2, temp;
    printf("ÇëÊäÈëÁ½¸öÕýÕûÊý£º\n");
    scanf("%d %d", &num1, &num2);
 
    if(num1 < num2)
   ......

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# include <stdio.h>
/* ºê¶¨Òå */
# define MAX 100
# define LEN 80
 
/* Ò»¸ö·Ç³£¼òµ¥µÄÎı¾±à¼­Æ÷ */
int main()
{
    char text[MAX][LEN];  // ¶¨Òå×Ö·ûÐÍÊý×é
    register int t, i, j;    /* ¶¨ÒåÈý¸ö¼Ä´æÆ÷±äÁ¿ */
  ......

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# include <stdio.h>
 
int main()
{
    /* Óгߴç */
    /* һάÕûÐÎÊý×é³õʼ»¯ */
    int  array1[10] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
 
    /* һά×Ö·ûÐÍÊý×é³õʼ»¯£¬×îºóÒ»¸öÔªËØ×Ô¶¯Ìí¼ÓΪ‘/0 ......

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int main( int argc, char* argv??(??))
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