《c程序设计语言》读书笔记-3-3-速记扩充

#include <io.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>

int main()
{
    char c;
    int i,j;
    char str1[] = "ABCDa-z0-9",str2[50];

    i = j = 0;

    while((c = str1[i++]) != '\0')

        if(str1[i] == '-' && str1[i + 1] >= c)
        {
            i++;
            while(c < str1[i])
            str2[j++] = c++;
        }
        else
            str2[j++] = c;

        str2[j] = '\0';

    for(i = 0;i < j;i++)
        printf("%c ",str2[i]);

	return 0;
}