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scanf does not return EOF?
- To: gnu-win32 at cygnus dot com
- Subject: scanf does not return EOF?
- From: Tao Zuo <tzuo at magi dot com>
- Date: Tue, 11 Feb 1997 17:00:14 -0500
Hi,
Does anyone encounter this:
Upon end-of-file scanf seems return 0 instead of EOF (which is -1 in
gcc). The following is a simple test, your comments is appreciated.
#include <stdio.h>
main()
{
int i;
int end=0;
int state, rectype, persons, hhtype;
while(!end) {
if ((i = scanf(" %d %d %d %d\n", &rectype,
&state,
&persons, &hhtype)) == EOF)
{
printf("end of line reached\n");
printf("%d\n",i);
end=1;
} else {
printf("readin one line\n");
printf("%d %d\n",i, EOF);
}
}
}
Input is this:
1 2 3 4
2 4 5 6
These are the steps:
gcc junk.c
a.exe <junk.dat
...
Tao Zuo
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