浙大版《C语言程序设计（第3版）》题目集 习题8-6 删除字符 (20分)

#include <stdio.h>
#define MAXN 20
void delchar(char *str, char c);
void ReadString(char s[]); /* 由裁判实现，略去不表 */
int main()
{
    char str[MAXN], c;
    scanf("%c\n", &c);
    ReadString(str);
    delchar(str, c);
    printf("%s\n", str);
    return 0;
}
void delchar(char *str, char c)
{
    char *p;
    p = str;
    while (*str)
    {
        if (*str != c)
            *p++ = *str;
        str++;
    }
    *p = '\0';
}