使用getchar()输入字符串

#include <stdio.h>

#define MAX 80

int main( voID )
{
    char ch, buffer[MAX+1];
    int x = 0;

    while ((ch = getchar()) != '\n' && x < MAX)
        buffer[x++] = ch;

    buffer[x] = '\0';

    printf("%s\n", buffer);

    return 0;
}