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- #ifndef GD_IO_H
- #define GD_IO_H 1
- #include <stdio.h>
- #ifdef VMS
- #define Putchar gdPutchar
- #endif
- typedef struct gdIOCtx {
- int (*getC)(struct gdIOCtx*);
- int (*getBuf)(struct gdIOCtx*, void*, int);
- void (*putC)(struct gdIOCtx*, int);
- int (*putBuf)(struct gdIOCtx*, const void*, int);
- int (*seek)(struct gdIOCtx*, const int);
- long (*tell)(struct gdIOCtx*);
- void (*gd_free)(struct gdIOCtx*);
- void *data;
- } gdIOCtx;
- typedef struct gdIOCtx *gdIOCtxPtr;
- void Putword(int w, gdIOCtx *ctx);
- void Putchar(int c, gdIOCtx *ctx);
- void gdPutC(const unsigned char c, gdIOCtx *ctx);
- int gdPutBuf(const void *, int, gdIOCtx*);
- void gdPutWord(int w, gdIOCtx *ctx);
- void gdPutInt(int w, gdIOCtx *ctx);
- int gdGetC(gdIOCtx *ctx);
- int gdGetBuf(void *, int, gdIOCtx*);
- int gdGetByte(int *result, gdIOCtx *ctx);
- int gdGetWord(int *result, gdIOCtx *ctx);
- int gdGetWordLSB(signed short int *result, gdIOCtx *ctx);
- int gdGetInt(int *result, gdIOCtx *ctx);
- int gdGetIntLSB(signed int *result, gdIOCtx *ctx);
- int gdSeek(gdIOCtx *ctx, const int);
- long gdTell(gdIOCtx *ctx);
- #endif
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