
#include <stdio.h>
#include <stdlib.h>

main()
{
	char filename[21];
	char env_var[21];
	char path[61];

	while (scanf("%20s %20s", filename, env_var) != EOF) {
		_searchenv(filename, env_var, path);
		if (*path == '\0')
			printf("no such file\n");
		else
			printf("path is >%s<\n", path);
	}
}

link.exe path
no such file
link.exe PATH
path is >c:\dos\link.exe<
LINK.exe PATH
path is >c:\dos\LINK.exe<
dummy PATH
no such file

