59 lines
1.8 KiB
C
59 lines
1.8 KiB
C
#ifndef _STDIO_H
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#define _STDIO_H
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#include <stdarg.h>
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typedef struct __sFILE FILE;
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typedef unsigned int size_t;
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extern FILE *stdin;
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extern FILE *stdout;
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extern FILE *stderr;
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int putchar(int c);
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int puts(const char *s);
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int printf(const char *fmt, ...);
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int vprintf(const char *fmt, va_list ap);
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int sprintf(char *buf, const char *fmt, ...);
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int snprintf(char *buf, size_t n, const char *fmt, ...);
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int vsprintf(char *buf, const char *fmt, va_list ap);
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int vsnprintf(char *buf, size_t n, const char *fmt, va_list ap);
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int fprintf(FILE *stream, const char *fmt, ...);
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int vfprintf(FILE *stream, const char *fmt, va_list ap);
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void perror(const char *prefix);
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int fputc(int c, FILE *stream);
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int fputs(const char *s, FILE *stream);
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int fflush(FILE *stream);
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int fclose(FILE *stream);
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FILE *fopen(const char *path, const char *mode);
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size_t fread(void *ptr, size_t size, size_t nmemb, FILE *stream);
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size_t fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream);
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int fseek(FILE *stream, long offset, int whence);
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long ftell(FILE *stream);
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int feof(FILE *stream);
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int ferror(FILE *stream);
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void clearerr(FILE *stream);
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#define SEEK_SET 0
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#define SEEK_CUR 1
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#define SEEK_END 2
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#define EOF (-1)
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int getchar(void);
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int fgetc(FILE *stream);
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char *fgets(char *buf, int n, FILE *stream);
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int ungetc(int c, FILE *stream);
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#define getc(s) fgetc(s)
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// Memory-backed FS: register a memory region as a named file so
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// fopen can open it. `cap` should be >= size; use cap > size for
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// files that may grow on write. `writable` controls whether
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// fopen("...", "w") / "a" / "r+" succeeds. Returns 0 on success,
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// -1 on duplicate name or table full.
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int mfsRegister(const char *path, void *buf, size_t size, size_t cap,
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int writable);
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int mfsUnregister(const char *path);
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#endif
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