#define FileExists(name) (access(name,0)==0)
char *strcat();

char *
SearchPath(path, name)
	char *path, *name;
/*
** Look for file 'name' in each directory in 'path'
** until it is found.
** Return the pathname if found, 'NULL' if not.
** The returned path is kept in a static array;
** copy it if you need to be safe.
*/
{
	static char s[1024];
	if FileExists(name) return name;
	while (sscanf(path, "%s", s)==1) {
		path += strlen(s);
		while (*path == ' ') ++path;
		strcat(s, "/"), strcat(s, name);
		if FileExists(s) return s;
	}
	return (char *)0;
}