1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
#ifdef __cplusplus
extern "C" {
#endif
#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);
/* seek must return 1 on SUCCESS, 0 on FAILURE. Unlike fseek! */
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 offset);
long gdTell(gdIOCtx *ctx);
#endif
#ifdef __cplusplus
}
#endif
|
