[unix-history] / usr / src / cmd / from.c

#include <stdio.h>
#include <pwd.h>

struct	passwd *getpwuid();

main()
{
	char lbuf[BUFSIZ];
	register struct passwd *pp;

	if (chdir("/usr/spool/mail") < 0)
		exit(1);
	pp = getpwuid(getuid());
	if (pp == 0) {
		fprintf(stderr, "Who are you?\n");
		exit(1);
	}
	if (freopen(pp->pw_name, "r", stdin) == NULL)
		exit(0);
	while(fgets(lbuf, sizeof lbuf, stdin) != NULL)
		if (lbuf[0] == 'F' && lbuf[1] == 'r' && lbuf[2] == 'o' && lbuf[3] == 'm')
			printf("%s", lbuf);
	exit(0);
}
Commit	Line	Data
6207e55f BJ	1	#include <stdio.h>
	2	#include <pwd.h>
	3
	4	struct passwd *getpwuid();
	5
	6	main()
	7	{
	8	char lbuf[BUFSIZ];
	9	register struct passwd *pp;
	10
	11	if (chdir("/usr/spool/mail") < 0)
	12	exit(1);
	13	pp = getpwuid(getuid());
	14	if (pp == 0) {
	15	fprintf(stderr, "Who are you?\n");
	16	exit(1);
	17	}
	18	if (freopen(pp->pw_name, "r", stdin) == NULL)
	19	exit(0);
	20	while(fgets(lbuf, sizeof lbuf, stdin) != NULL)
	21	if (lbuf[0] == 'F' && lbuf[1] == 'r' && lbuf[2] == 'o' && lbuf[3] == 'm')
	22	printf("%s", lbuf);
	23	exit(0);
	24	}