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- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- int pf(int c){
- return 'a'<=c && 'z'>=c;
- }
- int fv(char *str, int (*pf)(int)){
- int db=0;
- for(; *str;str++){
- if(pf(*str)) db++;
- }
- return db;
- }
- int main(){
- char szoveg[]="ASDasd123";
- printf("%d", fv(szoveg, isdigit));
- }
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