test-strcasestr.c revision 274880 
1#if defined(__linux__) || defined(__MINT__)
2# define _GNU_SOURCE /* strcasestr() */
3#endif
4
5#include <string.h>
6
7int
8main(void)
9{
10	const char *big = "BigString";
11	char *cp = strcasestr(big, "Gst");
12	return(big + 2 != cp);
13}
14