#include<stdio.h> #include<string.h> #include<ctype.h> int test1(char* str){ return strlen(str)>9; } int test2(char* str){ int i=0,up=0,low=0,dig=0,other=0; while(str[i]){ if(isupper(str[i])) up=1; else if(islower(str[i])) ...