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