title fatal applications exit include asm.inc public fatal_app_exit .const ertx_fatal db 'fatal',0 .code extn set_strerror,perror,exit_with_error ;; fatal_app_exit ; ; entry AX offset of DGROUP error string ; note this function never returns ; fatal_app_exit proc call set_strerror mov ax,@data lea si,ertx_fatal call perror jmp exit_with_error fatal_app_exit endp end