例7-13
2013-10-06 17:26 Summer.xia 阅读(117) 评论(0) 编辑 收藏 举报#include<stdio.h> int main(void) { int count,i; char str[80]; printf("Enter a string:"); i=0; while((str[i]=getchar())!='\n') i++; str[i]='\0'; count=0; for(i=0;str[i]!='\0';i++) if(str[i]<='9'&&str[i]>='0') count++; printf("count=%d\n",count); return 0; }