for循环一下，判断字符直到等于'\0'结束。
int substr1(char *str,char *sub){int lenstr = strlen(str);int lensub = strlen(sub);int count = 0;for (int i = 0; i < lenstr; i++){if (str[i] == sub[0]){int j = 0;for (; j < lensub; j++){if (str[i + j]... 开学特惠 开通会员专享超值优惠 助力考试高分,解...
void fun(char *a,char *b,char *c){int i,j;char ch;i=0;j=strlen(b)-1;/***found***/___{ch=b[i];b[i]=b[j];b[j]=ch;i++;j--;}while(*a||*b){/***found***/___{*c=*a;c++;a++;}if(*b){*c=*b;c++;b++;}}*c=0;}3程序设计函数fun...