Code

char *senzavocali( char *s )

{

int j = 0;

int lenght = 0;

for(int i = 0; i<strlen(s); i++){

if( s[i] == 'a' || s[i] == 'e' || s[i] == 'i' || s[i] == 'o' || s[i] == 'u' ){

lenght++;

}

}

char *arr = (char *)malloc( (strlen(s) - lenght + 1)*sizeof(char) );

for(int i = 0; i<strlen(s); i++){

if( s[i] != 'a' && s[i] != 'e' && s[i] != 'i' && s[i] != 'o' && s[i] != 'u' ){

arr[j] = s[i];

j++;

}

}

arr[j] = '\0';

  return arr;

}