// filename:c2011-7-24-5-8-ex.c
// original examples and/or notes:
// 		(c) ISO/IEC JTC1 SC22 WG14 N1570, April 12, 2011
// 			C2011 7.24.5.8 The strtok function
// compile and output mechanism:
// 		(c) Ogawa Kiyoshi, kaizen@gifu-u.ac.jp, December.29, 2013
// compile errors and/or wornings:
// 		(c) Apple LLVM version 4.2 (clang-425.0.27) (based on LLVM 3.2svn)
// 			Target: x86_64-apple-darwin11.4.2 //Thread model: posix
// 		(c) LLVM 2003-2009 University of Illinois at Urbana-Champaign.
#include <stdio.h>
#include <string.h>


int main(void)
{
// Example
static char str[] = "?a???b,,,#c";
char *t;
t = strtok(str, "?"); // t points to the token "a"
printf("%s",t);
t = strtok(NULL, ","); // t points to the token "??b"
printf("%s",t);
t = strtok(NULL, "#,"); // t points to the token "c"
printf("%s\n",t);
t = strtok(NULL, "?"); // t is a null pointer
return printf("7.24.5.8 The strtok function %s\n",t);
}
// output may be 
// a??bc
// 7.24.5.8 The strtok function (null)