strtol.c

#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
#include <errno.h>
#define SIZE 4

int main(int argc, char **argv) {
	char *basic = "8887";
	char *dataStr = "1234 1a2b3c4e -10101010 0xdeadbeef";
	char *endPtr = dataStr;
	int bases[] = {10, 16, 2, 0};
	long long i = 0, d[SIZE];

	// Basic conversion
	fprintf(stdout, "Basic string: %lld\n", strtoll(basic, NULL, 10));

	// Using the endPtr
	while (*endPtr != '\0') { 
		d[i] = strtoll(endPtr, &endPtr, bases[i]);
		fprintf(stdout, "%lld, %ld\n", i++, endPtr - dataStr);
	}

	fprintf(stdout, "%lld, %lld, %lld, %lld\n", d[0], d[1], d[2], d[3]);
	return 0;
}

	/*
	 *Basic string: 8887
	 *0, 4
	 *1, 13
	 *2, 23
	 *3, 34
	 *1234, 439041102, -170, 3735928559
	 */

/* vim: set fenc=utf-8 ff=unix ft=c : */