Very Computer

by **Sapn** » Sat, 14 Sep 2002 13:55:21

Hello
I have written a simple C program for sending mails using elm
facility using system() function call.The program is compiling
successfully but while running it gives the error for recipient as
shown below.The command for the elm which is specified here in
system() call is running successfully if specified from the command
line.And also the program is running successfully if the attached
file(bill.txt) is not specified.

/* simple c program to use elm facility to send the attached file */
#include<stdio.h>
#include<stdlib.h>

main()
{
int a;

printf("\n The a is %d",a);

Quote:}

And the program's output is as follow-

Must specify a recipient in batch mode.
The a is 256

Now what is this batch mode ??
-Sapna

by **Allen McInto** » Sat, 14 Sep 2002 22:53:12

To understand what is going on, run this:

cat >bar <<'!'

!
chmod +x bar
cat >foo.c <<'!'
/* simple c program to use elm facility to send the attached file */
#include<stdio.h>
#include<stdlib.h>

int
main()
{
int a, b;

printf("\na is %d and b is %d\n",a, b);
return 0;

Quote:}

!
gcc -o foo foo.c
./foo

Very Computer

Problem in using elm to send the attached file using system() call in C program

Problem in using elm to send the attached file using system() call in C program

Problem in using elm to send the attached file using system() call in C program