c8_16.c

适合于初学者的C程序

/* Note:Your choice is C IDE */
#include "stdio.h"
#define MAX 1000
void main()
{
    int htoi(char s[]);
    int c,i,flag,flag1;
    char t[MAX];
    i=0;
    flag=0;
    flag1=1;
    printf("\ninput aHEX number:");
    while((c=getchar())!='\n' && i<MAX && flag1)
    {if(c>='0' && c<='9' || c>='a' &&c<='f' ||c>='A' && c<='F')
    	{
    		flag=1;
    		t[i++]=c;
    	}
    	else if(flag)
    	{
    		t[i]='0';
    		printf("decimal number %d;\n",htoi(t));
    		printf("continue or not?");
    		c=getchar();
    		if()}}
}