How to prototype functions that return pointers

[James Colannino <james@colannino.org>]

Ok, so this is a very embarassing question.  I tried googling for the
answer but haven't figured it out yet, and everything I've tried results
in compilation errors. I want to prototype a function that takes nothing
as an argument but returns a pointer to a character.

I've tried the following:

char * readline();
char *readline();

These first two result in 4 errors, each one identical and each one
telling me "error: two or more data types in declaration of 'readline' "

*char readline();
* char readline();

These second two result in "error: syntax error before 'char' "

I know this should be so simple, but I can't for the life of me figure
this out.  Thanks very much in advance.

James
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