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#include <sys/types.h>
#include <stdlib.h>
#include <limits.h>
#include <ctype.h>
#include <stdio.h>
/* We only handle base 10. */
unsigned long long int strtoull(const char *nptr, char **endptr, int base) {
for (idx = nptr; *idx != '\0' && isdigit(*idx); idx++) {
retval *= 10;
retval += (*idx - '0');
}
if (endptrd != NULL) {
*endptrd = idx;
}
return(retval);
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#include <sys/types.h>
#include <stdlib.h>
#include <limits.h>
#include <ctype.h>
#include <stdio.h>
/* We only handle base 10. */
long long int strtoull(const char *nptr, char **endptr, int base) {
unsigned long long int retval = 0;
const char **endptrd = (const char **) endptr;
char *idx = NULL;
int allowspace = 1;
idx = nptr;
while (1) {
if (*idx == '\0') {
break;
}
if (!isdigit(*idx)) {
if (*idx == '-') {
retval *= -1;
continue;
}
if ((*idx == ' ' || *idx == '\t') && allowspace) {
continue
}
break;
}
retval *= 10;
retval += (*idx - '0');
allowspace = 0;
idx++;
}
if (endptrd != NULL) {
*endptrd = idx;
}
return(retval);
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