104 lines
3.4 KiB
C
104 lines
3.4 KiB
C
#ifndef _STDIO_H
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#define _STDIO_H
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#include <stdarg.h>
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#include <stddef.h>
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#define SEEK_SET 0
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typedef struct
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{
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int f_fd;
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int f_eof;
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int f_err;
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} FILE;
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extern FILE* __stderr; // The standard error stream.
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extern FILE* __stdout; // The standard output stream.
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#define stderr __stderr
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#define stdout __stdout
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/* Closes the file handle stream. */
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int fclose(FILE* stream);
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/* Does not do anything for now, since buffered IO is not implemented yet. */
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int fflush(FILE* stream);
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/* Opens the file at pathname according to the mode string. Returns the file handle on success, or NULL on error. */
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FILE* fopen(const char* pathname, const char* mode);
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/* Writes formatted output according to the string format to the file stream. */
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int fprintf(FILE* stream, const char* format, ...);
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/* Reads nmemb items of size size from the file stream into buf. */
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size_t fread(void* buf, size_t size, size_t nmemb, FILE* stream);
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int fseek(FILE*, long, int); // Not implemented.
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long ftell(FILE*); // Not implemented.
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/* Writes nmemb items of size size from buf into the file stream. */
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size_t fwrite(const void* buf, size_t size, size_t nmemb, FILE* stream);
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/* Returns nonzero if the error flag in stream was set. */
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int ferror(FILE* stream);
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/* Returns nonzero if the end-of-file flag in stream was set. */
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int feof(FILE* stream);
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/* Clears the error and end-of-file flags from stream. */
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void clearerr(FILE* stream);
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void setbuf(FILE*, char*); // Not implemented.
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/* Writes formatted output according to the string format to the file stream. */
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int vfprintf(FILE* stream, const char* format, va_list ap);
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/* Writes formatted output according to the string format to standard output. */
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int printf(const char* format, ...);
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/* Writes formatted output according to the string format to standard output. */
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int vprintf(const char* format, va_list ap);
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/* Writes formatted output according to the string format to the string str. This function is unsafe, use snprintf
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* instead. */
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int sprintf(char* str, const char* format, ...);
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/* Writes at most max bytes of formatted output according to the string format to the string str.*/
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int snprintf(char* str, size_t max, const char* format, ...);
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/* Writes formatted output according to the string format to the string str. This function is unsafe, use vsnprintf
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* instead. */
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int vsprintf(char* str, const char* format, va_list ap);
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/* Writes at most max bytes of formatted output according to the string format to the string str. */
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int vsnprintf(char* str, size_t max, const char* format, va_list ap);
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/* Writes the string str followed by a trailing newline to stdout. */
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int puts(const char* str);
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/* Writes the string str to the file stream. */
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int fputs(const char* str, FILE* stream);
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/* Writes the character c to the file stream. */
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int fputc(int c, FILE* stream);
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/* Writes the character c to the file stream. */
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int putc(int c, FILE* stream);
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/* Writes the character c to standard output. */
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int putchar(int c);
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/* Prints a message to standard error consisting of the string str followed by a colon and the string representation
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* of the last error encountered during a call to a system or library function. */
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void perror(const char* str);
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#ifdef __cplusplus
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}
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#endif
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#endif |