/** Copyright 1993, 1995 Christopher Seiwald.** This file is part of Jam - see jam.c for Copyright information.*//** execcmd.h - execute a shell script** 05/04/94 (seiwald) - async multiprocess interface*/void execcmd(char *string,void (*func)( void *closure, int status ),void *closure,LIST *shell );int execwait();# define EXEC_CMD_OK 0# define EXEC_CMD_FAIL 1# define EXEC_CMD_INTR 2