#define STR(x) #x
#define XSTR(x) STR(x)
#define JOIN(a,b,c) a ## b ## c
#define XJOIN(a,b,c) JOIN(a,b,c)
#define PICDEF XSTR(XJOIN(xls\,TELPF,\pic_def.h))
#define LGPDEF XSTR(XJOIN(xls\,TELPF,\lgp_def.h))
#define ADRCH XSTR(XJOIN( xls\,TELPF,\adr_c.h))