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What is the ascii value of EOF in C

1
If I have to check EOF how do I do that ?I will have to compare it with the ASCII value of EOF .and what is this value ?
Aug 29 '06 #1
1 34478
Banfa
9,065 Expert Mod 8TB
There is no ASCII value EOF. The is a C defined constant EOF it is of type int.

Using fgetc, prototype

int fgetc( FILE *stream );

then notice it returns an int, this is so it can return EOF which is an int, if it is not EOF then it returns an ASCII value.

This code is wrong

char c = fgetc( stream );

because you can not check for EOF because you have lost that value in the convertion from int to char, this is correct

int value = fgetc( stream );
if ( value != EOF )
{
char ascii = (char)value;
}
Aug 29 '06 #2

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