#include <stdio.h>
#include <errno.h>
#include <stdlib.h>
 
int main(void) {
    const char *p = "10 200000000000000000000000000000 30 -40";
    printf("Parsing '%s':\n", p);
    char *end;
    for (unsigned long i = strtoul(p, &end, 10); p != end; i = strtoul(p, &end, 10)) {
        printf("'%.*s' -> ", (int)(end-p), p);
        p = end;
        if (errno == ERANGE) {
            printf("range error, got ");
            errno = 0;
        }
        printf("%lu\n", i);
    }
}
 
//https://pt.stackoverflow.com/q/272801/101

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