strtok.c

#include <stdio.h>
#include <string.h>

int main(void) {
	char buf[30] = "1,2,3,4,5,6";
	char *ptr = strtok(buf, ",");

	while (ptr != NULL) {
		printf("%s\n", ptr);
		ptr = strtok(NULL, ",");
	}
	return 0;
}

#if 0
1
2
3
4
5
6
#endif