利用指针打印字符串的指定字符

Question

c语言怎么解答
要用到char *p=NULL

Answer 1

#include <stdio.h>
int main()
{
    char *p =NULL;
    int n=0;
    scanf("%d",&n);
    getchar();
    p = (char*)malloc(n);
    gets(p);
    char c = getchar();
    int i=0;
    while(*(p+i) != 0)
    {
        if(*(p+i) == c)
        {
            printf("%c是第%d个字符\n",c,i+1);
            break;
        }
        i++;
    }
    if(*(p+i) == 0)
        printf("字符串中没有%c字符\n",c);
}