OR-Postavke2-SumaSaDesnaILijeva

#include <stdio.h>

int SumaSaDesna (char *s) {
    char *p=s;
    int suma=0;
    int nb=0;

    while (*s!='\0') s++;
    while (s!=p) {
            if (*s>='0' && *s<='9') {
                    nb=nb*10+(*s-'0');
                    s--;
            while (*s>='0' && *s<='9') {
                    nb=nb*10+(*s-'0');
            s--;
            }
            suma+=nb;
            nb=0;
            }
            else s--;
    }
    if (suma==0) return 0;
    return suma;
}

int SumaSaLijeva (char *s) {
    char *p=s;
    int suma=0;
    int nb=0;

    while (*s!='\0') {
            if (*s>='0' && *s<='9') {
                    nb=nb*10+(*s-'0');
                    s++;
            while (*s>='0' && *s<='9') {
                    nb=nb*10+(*s-'0');
            s++;
            }
            suma+=nb;
            nb=0;
            }
            else s++;
    }
    if (suma==0) return 0;
    return suma;
}


int main () {
    char s[]="hrk12ljus13";
printf ("%d",SumaSaLijeva(s));
    printf("%d",SumaSaDesna(s));

    return 0;
}