/*+-------------------------------------------------------------------------	fixttiocom.c - change ttiocom to Ttiocom calls in /usr/sys/sys/libsys.aThis program patched my Xenix 386 2.3.1 system library (a copy of whichhad been named libfix.a, fixed, verified, then moved to libsys.a)--------------------------------------------------------------------------*//*+:EDITS:*//*:09-10-1992-14:00-wht@n4hgf-ECU release 3.20 *//*:08-22-1992-15:39-wht@n4hgf-ECU release 3.20 BETA *//*:07-25-1991-12:59-wht@n4hgf-ECU release 3.10 *//*:08-14-1990-20:40-wht@n4hgf-ecu3.00-flush old edit history */#include <stdio.h>#include <sys/types.h>#include <fcntl.h>char *lib = "libfix.a";/* file positions where names needed changing */#define PLACE1 0xdcaL#define PLACE2 0x1b1cbL#define PLACE3 0x1c41bL/*+-------------------------------------------------------------------------	main(argc,argv,envp)--------------------------------------------------------------------------*/main(argc,argv,envp)int argc;char **argv;char **envp;{int fd = open(lib,O_RDWR,0);unsigned char ch1,ch2,ch3;long lseek();	if(fd < 0)	{		perror(lib);		exit(9);	}	if(lseek(fd,PLACE1,0) != PLACE1)	{		perror("seek1");		exit(1);	}	if(read(fd,&ch1,1) != 1)	{		perror("read1");		exit(1);	}	printf("char 1 = %02x\n",ch1);	if(lseek(fd,PLACE2,0) != PLACE2)	{		perror("seek2");		exit(2);	}	if(read(fd,&ch2,2) != 2)	{		perror("read2");		exit(2);	}	printf("char 2 = %02x\n",ch2);	if(lseek(fd,PLACE3,0) != PLACE3)	{		perror("seek3");		exit(3);	}	if(read(fd,&ch3,1) != 1)	{		perror("read3");		exit(3);	}	printf("char 3 = %02x\n",ch3);	if((ch1 != 't') || (ch2 != 't') || (ch3 != 't'))		exit(8);	if(lseek(fd,PLACE1,0) != PLACE1)	{		perror("seek1");		exit(1);	}	write(fd,"T",1);	if(lseek(fd,PLACE2,0) != PLACE2)	{		perror("seek1");		exit(1);	}	write(fd,"T",1);	if(lseek(fd,PLACE3,0) != PLACE3)	{		perror("seek1");		exit(1);	}	write(fd,"T",1);	printf("done\n");	close(fd);	exit(0);}	/* end of main *//* vi: set tabstop=4 shiftwidth=4: *//* end of fixttiocom.c */