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
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
|
#ifdef __cplusplus
extern "C" {
#endif
#pragma once
#include <alloca.h>
#include <assert.h>
#include <stdarg.h>
#include <stddef.h>
typedef struct {} FILE;
#define SEEK_SET 0
#define SEEK_CUR 1
#define SEEK_END 2
#define stdout ((FILE *)2)
#define stderr ((FILE *)3)
#define EOF -1
FILE *fopen(const char *, char *);
int fclose(FILE *);
int fseek(FILE *, long, int);
long ftell(FILE *);
size_t fread(void *, size_t, size_t, FILE *);
size_t fwrite(const void *, size_t, size_t, FILE *);
int vfprintf(FILE *, const char *, va_list);
int vsnprintf(char *, size_t, const char *, va_list);
int vsprintf(char *, const char *, va_list);
int putchar(int ch);
int getchar();
static inline int snprintf(char *buf, size_t size, const char *fmt, ...) {
va_list args;
va_start(args, fmt);
int result = vsnprintf(buf, size, fmt, args);
va_end(args);
return result;
}
static inline int sprintf(char *buf, const char *fmt, ...) {
va_list args;
va_start(args, fmt);
int result = vsprintf(buf, fmt, args);
va_end(args);
return result;
}
static inline int fprintf(FILE *f, const char *fmt, ...) {
va_list args;
va_start(args, fmt);
int result = vfprintf(f, fmt, args);
va_end(args);
return result;
}
static inline int printf(const char *fmt, ...) {
va_list args;
va_start(args, fmt);
int result = vfprintf(stdout, fmt, args);
va_end(args);
return result;
}
int __sscanf(const char *str, const char *format, void *ptrs);
static inline int vsscanf(const char *str, const char *format, va_list ap) {
int count = 0;
for (int i = 0; format[i]; i++) {
if (format[i] == '%') {
if (format[i+1] == '%') {
i++;
continue;
}
count++;
}
}
void **ptrs = (void **)(alloca(count*sizeof(void *)));
for (int i = 0; i < count; i++) {
ptrs[i] = va_arg(ap, void *);
}
return __sscanf(str, format, ptrs);
}
static inline int sscanf(const char *str, const char *format, ...) {
va_list args;
va_start(args, format);
int res = vsscanf(str, format, args);
va_end(args);
return res;
}
#ifdef __cplusplus
}
#endif
|
