c语言函数_c语言函数定义格式

#include<stdio.h>
#include<stdlib.h>
#define Num 5
void input(int *p)
{
int number;
printf("please enter ten numbers\n");
for(number=0;number<Num;number++)
{
scanf("%d",p++);

}

}
int mycomp(const void *p1,const void *p2)
{
const int *a1=(const int *)p1;
const int *a2=(const int *)p2;
if(*a1<*a2)
{
return -1;
}
else if(*a1==*a2)
{
return 0;
}
else
{
return 1;
}

}
int serch(int *q,int i)
{
int number;
for(number=0;number<(Num/2+1);number++)
{
if(*q==i)
{
printf("此数是第%d个元素\n",number+1);
return number;
}
if(*(q-number+Num-number)==i)
{
printf("此数是第%d个元素\n",Num-number+1);
return Num-number;
}
q++;

}
printf("there is no that number\n");
return 0;
}
int main(void)
{
int num[Num],number,i;
input(num);
qsort(num,Num,sizeof(int),mycomp);
for(number=0;number<Num;number++)
printf("%-3d",num[number]);
printf("\nplease input you want serch number\n");
scanf("%d",&i);
serch(num,i);
}