al7_6.c

the examples of c codes.it is very easy,but the basic is important

/*案例代码文件名：AL7_6.C*/
/*功能：数组元素作为函数实参*/
int  isalp(char c)             
      	{if  (c>='a'&&c<='z'||c>='A'&&c<='Z')  return(1);
	else  return(0);
      	}
main()
      	{int i,num=0;
	char str[255];
	printf("Input  a  string: ");
	gets(str);
	for(i=0;str[i]!='\0';i++)
		if (isalp(str[i]))                 /*调用函数，数组元素作为实参*/
			num++;
	puts(str);
	printf("num=%d\n",num);
	getch();
      	}