Optimize for kernels which are known to have the vfork syscall.
[glibc/pb-stable.git] / libio / iolibio.h
blobdb71be25c8040572e1bf59b3d3602cc7dbde020e
1 #include <libio.h>
3 /* These emulate stdio functionality, but with a different name
4 (_IO_ungetc instead of ungetc), and using _IO_FILE instead of FILE. */
6 #ifdef __cplusplus
7 extern "C" {
8 #endif
10 extern int _IO_fclose __P((_IO_FILE*));
11 extern int _IO_new_fclose __P((_IO_FILE*));
12 extern int _IO_old_fclose __P((_IO_FILE*));
13 extern _IO_FILE *_IO_fdopen __P((int, const char*));
14 extern _IO_FILE *_IO_old_fdopen __P((int, const char*));
15 extern _IO_FILE *_IO_new_fdopen __P((int, const char*));
16 extern int _IO_fflush __P((_IO_FILE*));
17 extern int _IO_fgetpos __P((_IO_FILE*, _IO_fpos_t*));
18 extern int _IO_fgetpos64 __P((_IO_FILE*, _IO_fpos64_t*));
19 extern char* _IO_fgets __P((char*, int, _IO_FILE*));
20 extern _IO_FILE *_IO_fopen __P((const char*, const char*));
21 extern _IO_FILE *_IO_old_fopen __P((const char*, const char*));
22 extern _IO_FILE *_IO_new_fopen __P((const char*, const char*));
23 extern _IO_FILE *_IO_fopen64 __P((const char*, const char*));
24 extern _IO_FILE *__fopen_internal __P((const char*, const char*, int));
25 extern _IO_FILE *__fopen_maybe_mmap __P((_IO_FILE *));
26 extern int _IO_fprintf __P((_IO_FILE*, const char*, ...));
27 extern int _IO_fputs __P((const char*, _IO_FILE*));
28 libc_hidden_proto (_IO_fputs)
29 extern int _IO_fsetpos __P((_IO_FILE*, const _IO_fpos_t *));
30 extern int _IO_fsetpos64 __P((_IO_FILE*, const _IO_fpos64_t *));
31 extern long int _IO_ftell __P((_IO_FILE*));
32 extern _IO_size_t _IO_fread __P((void*, _IO_size_t, _IO_size_t, _IO_FILE*));
33 extern _IO_size_t _IO_fwrite __P((const void*,
34 _IO_size_t, _IO_size_t, _IO_FILE*));
35 extern char* _IO_gets __P((char*));
36 extern void _IO_perror __P((const char*));
37 extern int _IO_printf __P((const char*, ...));
38 extern int _IO_puts __P((const char*));
39 extern int _IO_scanf __P((const char*, ...));
40 extern void _IO_setbuffer __P((_IO_FILE *, char*, _IO_size_t));
41 extern int _IO_setvbuf __P((_IO_FILE*, char*, int, _IO_size_t));
42 extern int _IO_sscanf __P((const char*, const char*, ...));
43 extern int _IO_sprintf __P((char *, const char*, ...));
44 extern int _IO_ungetc __P((int, _IO_FILE*));
45 extern int _IO_vsscanf __P((const char *, const char *, _IO_va_list));
46 extern int _IO_vsprintf __P((char*, const char*, _IO_va_list));
47 extern int _IO_vswprintf __P((wchar_t*, _IO_size_t, const wchar_t*,
48 _IO_va_list));
50 struct obstack;
51 extern int _IO_obstack_vprintf __P ((struct obstack *, const char *,
52 _IO_va_list));
53 extern int _IO_obstack_printf __P ((struct obstack *, const char *, ...));
54 #ifndef _IO_pos_BAD
55 #define _IO_pos_BAD ((_IO_off64_t)(-1))
56 #endif
57 #define _IO_clearerr(FP) ((FP)->_flags &= ~(_IO_ERR_SEEN|_IO_EOF_SEEN))
58 #define _IO_fseek(__fp, __offset, __whence) \
59 (_IO_seekoff_unlocked (__fp, __offset, __whence, _IOS_INPUT|_IOS_OUTPUT) \
60 == _IO_pos_BAD ? EOF : 0)
61 #define _IO_rewind(FILE) \
62 (void) _IO_seekoff_unlocked (FILE, 0, 0, _IOS_INPUT|_IOS_OUTPUT)
63 #define _IO_vprintf(FORMAT, ARGS) \
64 INTUSE(_IO_vfprintf) (_IO_stdout, FORMAT, ARGS)
65 #define _IO_freopen(FILENAME, MODE, FP) \
66 (INTUSE(_IO_file_close_it)(FP), \
67 INTUSE(_IO_file_fopen)(FP, FILENAME, MODE, 1))
68 #define _IO_old_freopen(FILENAME, MODE, FP) \
69 (_IO_old_file_close_it (FP), _IO_old_file_fopen(FP, FILENAME, MODE))
70 #define _IO_freopen64(FILENAME, MODE, FP) \
71 (INTUSE(_IO_file_close_it)(FP), \
72 INTUSE(_IO_file_fopen)(FP, FILENAME, MODE, 0))
73 #define _IO_fileno(FP) ((FP)->_fileno)
74 extern _IO_FILE* _IO_popen __P((const char*, const char*));
75 extern _IO_FILE* _IO_new_popen __P((const char*, const char*));
76 extern _IO_FILE* _IO_old_popen __P((const char*, const char*));
77 extern int __new_pclose __P((_IO_FILE *));
78 extern int __old_pclose __P((_IO_FILE *));
79 #define _IO_pclose _IO_fclose
80 #define _IO_setbuf(_FP, _BUF) INTUSE(_IO_setbuffer)(_FP, _BUF, _IO_BUFSIZ)
81 #define _IO_setlinebuf(_FP) INTUSE(_IO_setvbuf)(_FP, NULL, 1, 0)
83 _IO_FILE *__new_freopen __P ((const char *, const char *, _IO_FILE *));
84 _IO_FILE *__old_freopen __P ((const char *, const char *, _IO_FILE *));
86 /* Prototype for functions with alternative entry point. */
87 extern void _IO_setbuffer_internal __P((_IO_FILE *, char*, _IO_size_t));
88 extern _IO_size_t _IO_fread_internal __P((void*, _IO_size_t, _IO_size_t,
89 _IO_FILE*));
90 extern _IO_FILE *_IO_fdopen_internal __P((int, const char*));
91 extern int _IO_vsprintf_internal __P((char*, const char*, _IO_va_list));
92 extern int _IO_fflush_internal __P((_IO_FILE*));
93 extern _IO_size_t _IO_fwrite_internal __P((const void*, _IO_size_t,
94 _IO_size_t, _IO_FILE*));
95 extern long int _IO_ftell_internal __P((_IO_FILE*));
96 extern int _IO_fputs_internal __P((const char*, _IO_FILE*));
97 extern int _IO_setvbuf_internal __P((_IO_FILE*, char*, int, _IO_size_t));
99 #ifdef __cplusplus
101 #endif