mirror of
https://github.com/wiidev/usbloadergx.git
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53 lines
1.2 KiB
C
53 lines
1.2 KiB
C
#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef GD_IO_H
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#define GD_IO_H 1
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#include <stdio.h>
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#ifdef VMS
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# define Putchar gdPutchar
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#endif
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typedef struct gdIOCtx
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{
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int (*getC)(struct gdIOCtx *);
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int (*getBuf)(struct gdIOCtx *, void *, int);
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void (*putC)(struct gdIOCtx *, int);
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int (*putBuf)(struct gdIOCtx *, const void *, int);
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/* seek must return 1 on SUCCESS, 0 on FAILURE. Unlike fseek! */
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int (*seek)(struct gdIOCtx *, const int);
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long (*tell)(struct gdIOCtx *);
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void (*gd_free)(struct gdIOCtx *);
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}
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gdIOCtx;
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typedef struct gdIOCtx *gdIOCtxPtr;
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void Putword(int w, gdIOCtx *ctx);
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void Putchar(int c, gdIOCtx *ctx);
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void gdPutC(const unsigned char c, gdIOCtx *ctx);
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int gdPutBuf(const void *, int, gdIOCtx *);
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void gdPutWord(int w, gdIOCtx *ctx);
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void gdPutInt(int w, gdIOCtx *ctx);
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int gdGetC(gdIOCtx *ctx);
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int gdGetBuf(void *, int, gdIOCtx *);
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int gdGetByte(int *result, gdIOCtx *ctx);
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int gdGetWord(int *result, gdIOCtx *ctx);
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int gdGetWordLSB(signed short int *result, gdIOCtx *ctx);
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int gdGetInt(int *result, gdIOCtx *ctx);
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int gdGetIntLSB(signed int *result, gdIOCtx *ctx);
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int gdSeek(gdIOCtx *ctx, const int offset);
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long gdTell(gdIOCtx *ctx);
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#endif
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#ifdef __cplusplus
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}
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#endif
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