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- /* Copyright (C) 1989, 1990, 1993 Aladdin Enterprises. All rights reserved.
-
- This file is part of Aladdin Ghostscript.
-
- Aladdin Ghostscript is distributed with NO WARRANTY OF ANY KIND. No author
- or distributor accepts any responsibility for the consequences of using it,
- or for whether it serves any particular purpose or works at all, unless he
- or she says so in writing. Refer to the Aladdin Ghostscript Free Public
- License (the "License") for full details.
-
- Every copy of Aladdin Ghostscript must include a copy of the License,
- normally in a plain ASCII text file named PUBLIC. The License grants you
- the right to copy, modify and redistribute Aladdin Ghostscript, but only
- under certain conditions described in the License. Among other things, the
- License requires that the copyright notice and this notice be preserved on
- all copies.
- */
-
- /* gsio.h */
- /* stdio redirection */
-
- /* The library and interpreter never use stdin/out/err directly. */
- extern FILE *gs_stdin, *gs_stdout, *gs_stderr;
-
- /* Redefine all the relevant stdio functions to use the above. */
- /* Some functions we make illegal, rather than redefining them. */
- #undef stdin
- #define stdin gs_stdin
- #undef stdout
- #define stdout gs_stdout
- #undef stderr
- #define stderr gs_stderr
- #undef fgetchar
- #define fgetchar() fgetc(stdin)
- #undef fputchar
- #define fputchar(c) fputc(c, stdout)
- #undef getchar
- #define getchar() getc(stdin)
- #undef gets
- #define gets Function._gets_.unavailable
- /* We should do something about perror, but since many Unix systems */
- /* don't provide the strerror function, we can't. (No Aladdin-maintained */
- /* code uses perror.) */
- #undef printf
- #define printf Function._printf_.unavailable
- #undef putchar
- #define putchar(c) fputc(c, stdout)
- #undef puts
- #define puts(s) (fputs(s, stdout), putchar('\n'))
- #undef scanf
- #define scanf Function._scanf_.unavailable
- #undef vprintf
- #define vprintf Function._vprintf_.unavailable
- #undef vscanf
- #define vscanf Function._vscanf_.unavailable
-