分类: C/C++
2007-02-27 20:16:52
写一个函数,求一个字符串的长度,在main函数中输入字符串,并输出其长度。 1.程序分析: 2.程序源代码: main() { int len; char *str[20]; printf("please input a string:\n"); scanf("%s",str); len=length(str); printf("the string has %d characters.",len); } length(p) char *p; { int n; n=0; while(*p!='\0') { n++; p++; } return n; } |
chinaunix网友2008-03-27 14:01:36
#include"stdio.h" length(char *p); main() { int len; char str[20]; printf("please input a string:\n"); scanf("%s",str); len=length(str); printf("the string has %d characters.",len); } length(char *p) { int n; n=0; while(*p!='\0') { n++; p++; } return n; }