#ifndef _STDIO_H #define _STDIO_H #include #include #include #define FOPEN_MAX 32 typedef struct { int f_fd; int f_eof; int f_err; } FILE; extern FILE* stderr; extern FILE* stdout; #define stdout stdout #define stderr stderr typedef struct { long f_offset; } fpos_t; #ifdef __cplusplus extern "C" { #endif /* Closes the file handle stream. */ int fclose(FILE* stream); /* Does not do anything for now, since buffered IO is not implemented yet. */ int fflush(FILE* stream); /* Opens the file specified by pathname. Returns the file handle on success, or NULL on error. */ FILE* fopen(const char* pathname, const char* mode); /* Returns a new file associated with the file descriptor fd. */ FILE* fdopen(int fd, const char* mode); /* Returns the file descriptor associated with the file stream. */ int fileno(FILE* stream); /* Writes formatted output according to the string format to the file stream. */ int fprintf(FILE* stream, const char* format, ...); /* Reads nmemb items of size size from the file stream into buf. */ size_t fread(void* buf, size_t size, size_t nmemb, FILE* stream); /* Moves stream's read/write offset by offset, depending on whence. */ int fseek(FILE* stream, long offset, int whence); /* Moves stream's read/write offset to the offset stored in the pos structure. */ int fsetpos(FILE* stream, const fpos_t* pos); /* Returns the current offset for stream. */ long ftell(FILE* stream); /* Stores the current offset for stream in the pos structure. */ int fgetpos(FILE* stream, fpos_t* pos); /* Rewinds stream's offset to start of file. */ void rewind(FILE* stream); /* Writes nmemb items of size size from buf into the file stream. */ size_t fwrite(const void* buf, size_t size, size_t nmemb, FILE* stream); /* Returns nonzero if the error flag in stream was set. */ int ferror(FILE* stream); /* Returns nonzero if the end-of-file flag in stream was set. */ int feof(FILE* stream); /* Clears the error and end-of-file flags from stream. */ void clearerr(FILE* stream); void setbuf(FILE*, char*); // Not implemented. /* Writes formatted output according to the string format to the file stream. */ int vfprintf(FILE* stream, const char* format, va_list ap); /* Writes formatted output according to the string format to standard output. */ int printf(const char* format, ...); /* Writes formatted output according to the string format to standard output. */ int vprintf(const char* format, va_list ap); /* Writes formatted output according to the string format to the string str. This function is unsafe, use snprintf * instead. */ int sprintf(char* str, const char* format, ...); /* Writes at most max bytes of formatted output according to the string format to the string str.*/ int snprintf(char* str, size_t max, const char* format, ...); /* Writes formatted output according to the string format to the string str. This function is unsafe, use vsnprintf * instead. */ int vsprintf(char* str, const char* format, va_list ap); /* Writes at most max bytes of formatted output according to the string format to the string str. */ int vsnprintf(char* str, size_t max, const char* format, va_list ap); /* Writes the string str followed by a trailing newline to stdout. */ int puts(const char* str); /* Writes the string str to the file stream. */ int fputs(const char* str, FILE* stream); /* Writes the character c to the file stream. */ int fputc(int c, FILE* stream); /* Writes the character c to the file stream. */ int putc(int c, FILE* stream); /* Writes the character c to standard output. */ int putchar(int c); /* Prints a message to standard error consisting of the string str followed by a colon and the string representation * of the last error encountered during a call to a system or library function. */ void perror(const char* str); #ifdef __cplusplus } #endif #endif